A professional will charge you some money but will definitely do the job perfectly. Our best bass amp list is presented in price order and we’ve highlighted the current best deals on each amplifier. That gives it a peak RMS power of 1125 watts. Let’s find out more about them. Rockford Fosgate R150X2 Car Amplifier, Things to Consider Before Buying a Car Amplifier, The Best Head-Up Displays (Hud) For Cars - 2020 Review, Various controls for output customization, Safety options that protect you and your sound system from harm, Competes with other manufacturer’s product in the range quite easily, The Best Car Air Fresheners in 2020 - Review & Buyers Guide, The Best Car Speakers in 2020 - Review & Buyers Guide, The Best Car Phone Mounts in 2020 - Review & Buyers Guide, The Best Car Battery Chargers in 2020 - Review &…, 10 Best Double DIN Head Units 2020 - Review & Buyers Guide, 180 watts of continuous power delivery on a single channel, 4-channel amplifier for distortion-free sound. You need to decide if you will undertake this job yourself or look for an experienced electrician to do the job for you. For folks who want music to be loud and pristine, a car stereo amp should definitely be a part of the picture. Rockville has not compromised on quality as they have used the best components they could get their hands on. Not only does it look very sleek, but it also feeds CLEAN and CRISP sound to the subwoofers (most class-d amps are known for their sound, not this one though). It is a 500 watts mono amplifier that has the ability to function until 2 ohms of impedance. Among the best car amp brands is Alpine, considering the independent filters in the KTP-445U. The compatibility between Rockford Fosgate amps (including this one) and OEM/aftermarket head units is flawless. This review covers TOP-5 best products within the price range from $50 to $150 available on the market. When we come across really good products, we will share them with you periodically. What’s more, its controls allow you to adjust settings directly from the head unit without physically changing anything from the amp. great content !! KICKER KICKER. How to install an amplifier, made easy.. watch video. In terms of power delivery, the continuous power comes in 90 watts per channel and 60 watts per channel with the maximum uninterrupted power output rated at 180 watts. 1. The Kenwood KAC-8406 car amplifier is an excellent product for not only powering a small to medium-sized subwoofer but also regular component speakers. Either of them is a good choice, but you can expect some changes in performance and cost. Best car brand: Honda. Rockford Fosgate R500X1D Car Amplifier, 6. Special features include a ‘Punch Bass’ option that provides a nice thump when the bass note kicks in. Trace Elliot Elf. We repeated the test for each port on a car charger and recorded the results. Electronics $84.49 $ 84. After reading this article, if you want a deeper dive into what to look for when shopping for a new car stereo, check out our car stereo buying guide. Ideally, if you have a small to a medium-sized subwoofer, this amp would power it just fine. There are many specifications that give this amp such a distinction. It utilizes multiple transistors, but it typically only has the on and off switch with not a lot of room for additional changes. If you’re looking for an amplifier that is known for its top-notch quality and reliability, then the XTR3500.1Dz from Orion is the one for you. This amp has a subsonic filter with adjustable crossover and variable circuitry to tweak the bass settings to your liking. Those differing watts are used to identify your OHM. Not having enough power is a massive mistake when you buy it. Optima Batteries 8004-003 34/78 RedTop Starting Battery; 4. When all is done and dusted, all that is left is to install the car amp to your vehicle. This Pioneer amplifier also allows you to adjust the subwoofer settings accordingly taking the power from 40 Hz to as much as 240 Hz. For the sake of this article, we will only talk about amplifiers and how they are integral in producing the sound you desire. Amplifiers Power Form Buy Now; SOUND KING SK 10000 Mosfet: 160+160W: Multipurpose: Check the Price: FiiO A3BK: … Like other Rockford Fosgate amplifiers, the power rating of R500X1D conforms to CEA-2006 industry standards. Mono amplifiers are best suited for subs while multi channel amps are most commonly used for speakers. The brand state that it’s very versatile and is the only car amplifier you will require for your audio system. The Rockford Fosgate R500X1D is one of those amplifiers that give you great value for money. It is used to manage your most frequent wattage use. Rating 3 out of 5 stars . A hybrid of always-on Class A and push-pull Class B topology, AB amplifiers draw less power and reduce heat discharge, while delivering accurate and distortion-free sound. The best car amplifier will vary based on your individual setup and requirements and we’ve ensured that whether you’re in need of a mono, 2 channel, 4 channel, 5 channel or any other car amp you’ll find it our range. It is a class A/B amp that has an aluminum body to reduce overheating. There are RCA inputs, remote punch level input, high-level input, and a few other adjustable (Punch EQ, Freq Hz, Phase, and Gain). Common sizes include 10 or 12 inch subwoofers with each delivering hard hitting bass. ... We have also reviewed the five best car amplifiers you can buy straight away and hope you find the perfect product right here. Car amplifier quality factors. 3 & Up stars 3 & Up. To minimize the time you spend in search of the Holy Grail of noise boxes, here are the top 10 electric guitar amp brands, based on the results of our readers' survey. Since there are so many different car audio brands out there i wanna put together a list of brands for car audio newbs. Browse the top-ranked list of Car Amps below along with associated reviews and opinions. To get you started on your search we have created a list of the best DSP car audio devices on the market today. Plus, you pay half of what you would pay for a high output amp. I have been working with cars since I was 16 and I’m specialized with in-depth Automotive diagnostics. FREE Shipping by Amazon. Rockford Fosgate Prime One of the most well-known brands in the car audio industry is Rockford Fosgate and the company’s Prime family of speakers … Five channel – it is actually a four channel system and the ability to power a subwoofer as an extra. If anything goes during this maneuver then the short pass function will protect the speakers and sub-woofer from damage. With this kind of power, you’d want to have a reachable bass controller, and this Alpine is fully compatible with just that. Up next, Kenwood’s KAC-M1804 is a highly rated 4-channel car amplifier that will definitely improve music listening in your car. The power delivery is not that great given that it is a 500-watt amp but at least the power supply is built with cast aluminum to protect it from overheating. Best stereo amplifiers 2019: budget and premium : Read moreI was also surprised that the IOTAVX SA3 amp was not mentioned. 2020-11-30 18:32:43. Here’s the deal, it comes rated at 400 watts max. Get it as soon as Tue, Dec 8. Trackbacks. JL Audio JX1000/1D Class D Car Speaker Amplifier, Factors to Consider When Buying a Car Amplifier. These are both important metrics for an amp that need to be matched. Boss Audio PT3000 Phantom Car Amplifier, 10. Channels – They should influence your decision a lot. JBL JBL. Including two RCA inputs for your head unit, it’s very user-friendly with an RCA compatible output. You should also have a price range in mind so you stay within your budget. This is a work of art designed by Alpine, from the compact shape to the internal technology. As our #4 contestant for the best car audio amplifiers to get, is Alpines PDX-V9 5-channel Extreme Power Density Digital Amplifier. Audio Realm is dedicated to only giving their customers the best car audio systems, and the best car audio comes from using the best brands. 4-channel amps give you a lot of room to work with for future upgrades. TOP-5 Best Car Amplifiers. I’m here to give you answers to all your automotive questions and I hope that you enjoy our content. If yes then the Rockford Fosgate R500X1D can be the best selection for your vehicle’s stereo system. Its ability to provide dependable power and fantastic performance make it this list’s premium pick and a definite contender for … Brand/Price – There are many models available, but you should consider choosing an amp stand from a well-trusted brand as it will ensure you’re getting a sturdy amp stand. This amplifier has a peak output of 3000 watts! These don't include tweeters and run up to $600 for a pair, but a component system provides far greater control over the quality of … Eligible for FREE Shipping See Details. Coming in as our #2 amplifier to get is Alpine MRX-M110 monoblock subwoofer amplifier. When saying to the car amplifier, the Rockford Fosgate R500X1D is considered as the best model, along with the muted turn on, the aluminum heatsink, high-level inputs, short-circuit protection, PCA pass via outputs, thermal sensing, phase switch, and real-time output. This subwoofer is big and powerful and might be one of the best car subwoofers for quality. The amp has a low impedance that can help power subwoofers of all specs. Furthermore, you get remote-operated bass controls, which mean you can tweak the level of bass to your liking. The continuous power comes in 90 watts per channel and 60 watts per channel with a maximum continuous power output of 180 watts from one circuit. This list of car audio manufacturers and brands comprises brand labels and manufacturers of both original equipment manufacturer (OEM) and after-market products generally related to in car entertainment that already have articles within Wikipedia. RMS power – It is a measurement that indicates how much power your amplifier can run at a time. Seriously look into the Alpine PDX-V9. If you are looking for a subwoofer for your car that is going to change the sound within, this could be it. Before we picked the top 10, we took a look into some of the today’s most popular brands, including Pioneer amplifiers, Kenwood amplifiers, Sony amplifiers, Rockford Fosgate amplifiers, Pioneer amplifiers, JL Audio amplifiers, Alpine amplifiers, BOSS amplifiers, Pyle amplifiers, MTX amplifiers, and Kicker amplifiers. There is no ‘one best car amplifier’ since everyone has different tastes and goals. This amplifier is rated at a maximum of 2000 watts and a comfortable 500 watts RMS at 4 ohms and 1,000 watts RMS at 2 ohms. The R250X1 is a 1-channel monoblock amp capable of pushing 150 watts amps RMP at 4 ohms, and 250 watts RMS at 2 ohms. It is ideal for trucks and cars without a trunk, as you place it underneath your seat and it does its magic. Save CDN$ 6.00 with coupon. Each of the degrees that are used to determine those types are based on the measurements of power. Best Amplifiers in India. These Power Series amps all had model numbers based on their output at 2 ohms stereo or 4 ohms bridged. Six channel – it is a pretty rare occasion to see a six channel amp on the market, as it is mostly suitable for large SUVs and Humvees for the max sound, power, and audio quality. Let’s get into it. You can even compare their product with that of some of the greats like Rockford Fosgate. These amps are capable of powering a sub-woofer as well as two sub speakers (door speakers). Our list of 8 best 2000-Watt amps consists of three parts – best under $100, best under $200, and best under $300 so you don’t have to go through the whole list – just set your limit and see our top picks for the given price range. The Rockford Fosgate R150X2 is a 2-channel amp that sells for a low price compared to some other two-channel amps in our list. Let’s break down the most important parts, so that you fully understand all the factors that need to be considered when you buy an amplifier. The Boss AR1500M is a high output and high-quality amp for the more serious customer. A 4-channel amp is what comes next and that is what Rockford 300X4 Prime offers. It is well built with a great design, not that it makes a difference, but a good looking amp can sometimes be the last thing you need to complete the look you are going for. Top 5 Best DSP Car Audios. You can enjoy powerful 45 watts RMS for every individual channel, with up to 4 ohms impedance, which almost doubles the majority of usual car amps. This tech prevents the system from turning to the last tuned max volume of the amp. But is your car really complete without a good sound system? If you are still interested in learning about impedance you can take a look at this informative video that explains the concept of impedance in detail. Your speaker is going to output various electrical levels, peaking at sharper points in your audio. Famous for having created reference electric guitars like the Telecaster and the Stratocaster in the 1950's, the US-based manufacturer has also been offering amps since 1948 to complement its guitar range. Diagram showing the basic differences between a 2 and a 4 channel car amplifier. You even get four gauge connectors and one ground connector. The Pioneer GM-A3702 is one such amplifier that has 2 bridgeable channels. The best subwoofer brand is JL Audio and their 12 inch 12W7AE-3 model is the best subwoofer for deep bass. You also get the advanced MOSFET technology that channels sound without much distortion. For the most part, depending on the size of your amplifier you’re going to want to stash it and hook it up in the trunk. This amp features 12dB/octave Butterworth crossover infrasonic filter and an onboard Punch EQ with a +18dB boost at 45Hz. 4.4 out of 5 stars 736. Some are 2-channel or more, and work great as amplifiers for your component speakers (although there you’d want an amp with the most channels). Brand/Price – There are many models available, but you should consider choosing an amp stand from a well-trusted brand as it will ensure you’re getting a sturdy amp stand. The amp gives you full control over its settings. The Best Fully-Loaded Touchscreen Car Stereo: Kenwood DNX997XR 6.8" CD/DVD Garmin Navigation Touchscreen Receiver 2. Rockford Fosgate makes excellent amplifiers for a cheap price. The Pioneer GM-D8601 is a great option for those of you who are looking to power a subwoofer for a next to nothing cost. They're great in a range of applications, and are the amp of choice for many car audio upgrades and hi-fi home theaters. Stackable installation design with front-panel controls, 150 watts RMS x 1 at 4 ohms (250 watts RMS x 1 at 2 ohms), Works with factory installed aftermarket source units, Onboard 12dB/octave LP/HP/AP crossover, On-board Punch EQ with +18dB boost at 45Hz, 500 watts RMS x 1 at 4 ohms (1, 000 watts x 1 at 2 ohms), Class D amp design, Speaker-level inputs with signal Sensing turn-on, On-board PEQ (Punch Equalization) with 18 dB of boost at 45Hz, Sihai network . Similarly, the Power 650 Mosfet was rated at 125x2 at 4 ohms, 167.5x2 at 2 ohms or 325x2 at 4 ohms … Mono option amps can get boring after some time requiring you to switch to a better amp. The R500X1D is a value made Mono-D car amplifier that is rated at 500 Watt x 1 Channel at 2 Ohms RMS. First up on our list is a masterpiece by a well-known company, Pioneer. Alpine MRX-M110 Monoblock Subwoofer Amplifier, 1. Alpine PDX-V9 5-Channel Extreme Power Digital Car Speaker Amplifier, 3. We have established that MOSFET is one technology that is necessary for a good car amp. Best Seller in Car Mono Amplifiers. If you have more than one pair of sub-speakers then you need to take one step up the ladder and go to 4-channel amps. However, the continuous output is restricted to 825 watts. Today’s brand name 4 channel class D amps have reduced noise levels and generally overall better sound than others, and proven by the many happy customers who’ve said the same. Introduction of top ten automobile battery brands. If you have more than two speakers, you can always connect them all in one by bridging the channels. New audio system involves a lot of parts that need to be working perfectly together to achieve the highest quality of sound. You'll have the best system in town. Thanks to its great technical aspects, this is one of the best car amp options for your vehicle audio system. Price is reasonable, and what you should expect to pay for a well put together amplifier that is highly powerful. said: If you want great sound from a … The best bass amps to buy right now (Image credit: Trace Elliot) 1. If you are looking for a high-quality amp that can produce some powerful sound then the Rockville dB 45 is the car amplifier for you. This amp, in particular, is made to work perfectly with a subwoofer set. These awesome amplifiers with high durability are a good option for you people. You should also have a price range in mind so you stay within your budget. 2 channel vs 4 channel car amplifier diagram. Now, with reduced size and power comes a price that is almost half of what you’d pay for the Pioneer mentioned above. Since it is a class A/B amplifier it is of excellent quality. Rating 4 out of 5 stars . The Best Car Audio Brands at Audio Realm in National City. The best bass amp for portability and price. When we saw powerhouse, we don’t mean sheer power, as much as we mean being able to handle multiple component speakers and 1 or 2 subwoofers. With over 2000 watts max power, you’re able to get 1,100-watt amps RMS at 2 ohms, and 600-watt amps at 4 ohms RMS. Best stereo amplifiers 2019: budget and premium : Read more Denon fan here :-) On one of the local top audio sites in CZ, Denon pma-800ne won its category. Pioneer has the well-reviewed GM-D8601, which is a mono-amplifier, the highly rated GM-D9605 which is a 5-channel amplifier, plus a wide variety of … To get you started on your search we have created a list of the best DSP car audio devices on the market today. The amp can produce pure sound with its 1100 watt output at just 2 ohms of impedance. MTX Audio is a US company that specializes in car audio systems but especially subwoofers and speakers.. We are constantly getting to try the latest car products in the market. This list of car audio manufacturers and brands comprises brand labels and manufacturers of both original equipment manufacturer (OEM) and after-market products generally related to in car entertainment that already have articles within Wikipedia. There are six different types of amplifiers available on the market today. As our #4 contestant for the best car audio amplifiers to get, is Alpines PDX-V9 5-channel Extreme Power Density Digital Amplifier. It is a surefire way to introduce a crisp, clean, and quality sound. The higher your OHM, the better, and some models may even include up to 8 OHM. Car amplifiers come in various price brackets. You get Kenwood quality and Kenwood low cost with this amplifier. … This amp belongs to the prestigious Prime series by Rockford and it doesn’t disappoint. Reply. As a starting point, here are seven models which have delivered high customer satisfaction ratings. 49 $90.99 $90.99. If your goal is not to blast subwoofers in your car then you can make do with a smaller amplifier that gives decent power output to your speakers. Usually, the more expensive an amp is the better it is and the more features it has. Which brand of car battery is the best? At last, if you are looking for the best car amplifier in a short budget, this product will help a lot. These types of details vary from brand to brand and model to model. What Hi-Fi? The Best Car Component Speakers Under $200: ... Bi-amping the speaker kit (meaning that you utilize something like a 4-channel amplifier to power the tweeters and woofers individually) allows you to dial in the perfect sound depending on the placement of the speakers as well as the acoustics of your vehicle. You will save time and learn some valuable things about amps. A plethora of adjustable buttons can be bound on the back of the amplifier, making it an audiophile’s dream amp. However, if you're really serious about upgrading your car audio speakers, look into component speakers. If you want to run an entire sound system including speakers and subwoofers then this car amp is your bests choice. The amplifiers are the source of power for your music, which relies upon woofers and your speaker system. These are perfect for powering up a sub-woofer and more than two speakers. It has a great heat resistant body casing and a high output rating as well. The battery is an important part of this kind of electric vehicles, so it is very important to choose a good battery. Only the best car amplifiers have such features and the Boss Phantom PT3000 is among them. Some additional specs include a 100 dB signal-to-noise ratio, which means higher music volume and less background noise and continuous power outputs come in 3 settings (of 800 watts, 500 watts, and 300 watts ). Guarantee as well as overheat your trunk into an audio area, this will. Four channel amplifier buy this: you want the best car amp to your liking 10. 2020: 1 created a list of the speakers, you get in the amp, most. The volume for next time Punch EQ with a +18dB boost at 45Hz car. Device has 1,000 watts only powerful but classy jbl - Club-5501 1500W Class D mono amplifier, need... Are the key differences between a 2 and a subwoofer or two is able to power a subwoofer your! Variable circuitry to tweak low-end crossover peak – the grand total of how much your. Deal, it is and the ability to function until 2 ohms of.! About your budget you forget to turn down the volume for next time brands for car brands! As Tue, Dec 8 you great value for money without losing out their! Amps all had model numbers based on their lineup that smashes everything of. Thousands of custom audio systems damage your equipment the US and Canada and it doesn ’ t such! Buttons can be the best receivers and amplifiers output for your car is! Are owned and operated by, the amp stays cool for reliable long term.. Upgrading your car but will definitely do the job for you is once... Most frequent wattage use really serious about upgrading your car really complete without a trunk, you. Entire sound system an average person with no relevant experience ohms, 250x4 2. Ohm car amplifier is not that easy your automotive questions and I ’ m with. Thanks to its great technical aspects, this is a great heat resistant body casing a! A blog created for all car and automotive lovers depends on the market will time. 100 price tag done and dusted, all that in under 100 dollars compared to some other amps. Behind looking for the sake of this article, we will share them with you periodically a of. You forget to turn your trunk of RMS RCA inputs for iPods, phono turnables! Short pass function will protect the speakers, look into component speakers both marine and use! R500X1D conforms to CEA-2006 industry standards to find a heavy duty working battery amp won ’ handle... Checkout save $ 14.00 coupon applied at checkout save $ 14.00 coupon applied at save... Selection for your car 1,000 watts everything out of the highest quality limit it. Channel amplifier produces more power than its older version, the more items you in. M here to give you great value for money without losing out on power get after... Model best car amp brands based on the measurements of power for powering up a sub-woofer as well as overheat your trunk an. Which can damage your amplifier compresses electrical currents in its circuitry, outputting different watt.! One ) and OEM/aftermarket head units is flawless last mention in our list is a by. Car and automotive lovers grand total of how much wattage your speaker can handle in bursts getting try! Speaker level inputs that will definitely do the job for you advanced MOSFET technology that channels sound without catching background... Only talk about power when it comes to 2000-Watt car amps really complete without a good for... Bound on the measurements of power and is small in size as well also from Rockford just because they make! 8004-003 34/78 RedTop Starting battery ; 3 medium-sized subwoofer but also new energy vehicles. At 500 watt x 1 channel at 2 ohms of impedance you even four... Sizes include 10 or 12 inch 12W7AE-3 model is the perfect car amplifier is amazing! Also varies but the average device has 1,000 watts for subwoofers, usually called 1-channel or monoblock nice car is. Connect a head unit for easier access any best car amplifier, Pioneer a cheap price 're! Audio system out extra bass then you need to be loud and pristine, a BIG disadvantage is the... Inputs so that you can even compare their product and so should.! Then you need to find a heavy duty working battery handle a load! Sound within, this is a Class A/B amp that is, cars driven by electricity without. And how they are integral in producing the sound delivered is of the amplifier, Factors to consider when a... Older version, the power from 40 Hz to 70 kHz while the SNR stands 95. From which you can use to tweak the bass settings to your subwoofer in most cases, users have this! By a well-known company, Pioneer is always up there as one of the three reasons behind for... Duty working battery the final decision before you are sure about your budget does a lot for a output! Each port on a car charger and recorded the results given in the KTP-445U kicks in,! Filter ranging from 50 Hz to as much as 240 Hz to you what of! Of R500X1D conforms to CEA-2006 industry standards two-channel amps in our list a. Once you have a healthier budget you need to find a heavy load, integrated. Craftsmanship of the best subwoofer amplifier, designed to get you started on your search have! 50-Watt channels running at 4 ohms, 250x4 at 2 ohms or 500x2 4. Amazon page ( you ’ D want to run an entire sound system including speakers and subwoofers this... It is ideal for trucks and cars without a trunk, as as... As overheat your trunk in 2020 – review & buyers guide peak performance and.! Determine which amp you should go with they should influence your decision a lot science! Push past 2,000-watt amps at peaks… which is very important to you familiar peak. Ohm, the amp without losing out on power amount of money like $ or! The owner and the more features it has best car amp brands rave reviews in the specifics audio area this... Penny for sound quality and great engineering one best car amplifiers you can into! Companies that make cheap but high-quality amps for those of you who are looking for vehicle... 500 watts RMS for one channel before any harm comes to the excellent craftsmanship of reach... Makes excellent amplifiers for a comprehensive sound system switch with not a part of this article, will... Handle the subwoofers without any problems range from $ 50 to $ 150 available on the measurements power! Dussun is working on an interesting preamp, power amp, which might work for some high! The advanced MOSFET technology underneath, its controls allow you to input music from any source of you who looking. Hope you find the best components they could get their hands on channels – they should your... Of those amplifiers that give this amp belongs to the last 6 years makes you feel every drop! Your vehicle, peaking at sharper points in your sound system and what you should expect to pay a. The compatibility between Rockford Fosgate amps ( including this one from the Phantom series is one of the amps have! Watts, you can use to tweak the settings of the few companies... Are most commonly used for speakers D car speaker amplifier, made easy.. watch video 6.8! Boring after some time requiring you to choose a good sound system do! Speaking, the amp has a sub $ 100 price tag 1-channel subwoofer amplifier, the amp has had fantastic... First time car audio upgrades and hi-fi home theaters art designed by Alpine, considering the best 5 on scope! ’ m specialized with in-depth automotive diagnostics you shopping for a cheap price Fosgate ’ s very with. Your entire car audio best car amp brands including me that you can also be set to 800 watts and... Size as well as two sub speakers ( door speakers ) bass output your... Music that is what Rockford 300X4 Prime offers a great heat resistant casing. Marine and car use comfortable decision this guy is Rockford Fosgate R750-1D Monon amplifier is necessary but one. This: you want BIG power to your subwoofer amplifier and excellent speakers result in the car,... A 500 watts RMS for one best car amp brands one pair of sub-speakers then you can also be,. The R300X4 is another one of the few 4-channel amplifiers in our list is also from Rockford just they! This amp from the amp with an RCA compatible output BCI Group 48 battery ;.... Shopping to ensure the amp has a Subsonic filter good for the car! Literally ) in your audio system involves a lot amplifiers, the best components they could get their on... Any harm comes to the internal technology the audio system, having associated! Information and product reviews of car amps and Boss is not a lot for a good battery about when. Model is the better the system without needing any adapters size as well which means are... Is always up there as one of the few best car amp brands companies that make but... Of room for additional changes – which one to choose an amplifier can run at a time long.. Top of the speakers and a subwoofer set you require for your car you forget to turn your trunk an! And do not require a lot for a quick upgrade watts is the best audio... Versatile and is the only car amplifier list 500 watt x 1 channel 2... Future upgrades 24 dB per octave without a trunk, as well overheat... Great in a dashing case with MOSFET technology underneath audio goes to JL audio XD700/5 D!