Picking a Car Audio Amplifier - DO's & DONT's

There are many different options when it comes to choosing a car audio amplifier. How much power? What class topology? What features? In this video we discuss built in DSP, OEM integration features, speaker impedance and other features and specs you should pay attention too when picking an amplifier for your car audio system!
🔨 For researching what amplifier is best for your application be sure to shop with channel sponsor Crutchfield!
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Car Audio Fabrication - Master Car Audio - Design, Build, Install

[@davypig571]

I can’t say enough about how good Crutchfield is. From their product selection to excellent website to awesome people working there. The only negative I’ve ever had is the price is not always the lowest. You can always wait for a sale but buying elsewhere may not be factory authorized.

[@davidfromamerica1871]

Crutchfield was one of my positive research information sites I used in selecting an all JLAUDIO stereo system years ago. I bought everything from a knowledgeable JLAUDIO dealer, they installed everything. Worked out great for me.

[@RJSDZNS]

As always so much fantastic info. You, Dean and Fernando are God sends to DIYers!! Thank you Mark!!

[@SaltwaterBoogeyman]

Totally agree! These fellas gave me the courage and the know how to tackle my install. Still months away from finishing though lol

[@tylerfitzgerald266]

Would love to see a kinda expanded version of this of hooking up multiple amps to run a system. Like a mono amp for a sub and then a separate 4 channel combo instead of just doing a 5 channel that has a mono out for a sub. Other then that I love the videos and I learn a lot every time!

[@aaronfoust7149]

Great video!! Answered a lot of questions I had. Keep up the great work!

[@piggystims702]

Thanks so much for these videos. I have been really happy with my experiences with crutchfield over the years- I'm rubbish at remembering the details of car audio equipment and installation though, so these have been a great learning reference. Thanks again.

[@freddiehill5562]

I’ve learned a lot watching your vids . Keep em coming

[@joshdobson2737]

Anyone else miss the middle of the Crutchfield catalog.... comparing all the stats?!?

[@ronaldo19832]

✋🏽

[@elroycooley398]

I remember

[@ricardomolina4605]

@@mcf3778 Worst at what exactly? I've been a customer since 1995 and only once had to call customer service. 21 year customer and only one problem. Pretty good company I think.

[@markphilpot8734]

You have a way of explaining things so as not to cause confusion. This particularly important on this subject because there are conflicting opinions on this and getting it right is really important. Stay safe mates!😊👍🏻😷

[@chuckschillingvideos]

This is a very clear and informative guide, especially for folks just entering or re-entering the world of car stereo. I would also add that for those of us not really experienced and skilled at doing installs, you will need to budget an additional 25-33% for installation costs for a simple installation. For more complicated installations that might involve fabrication or sophixticated tuning, installation costs will become more of your total costs, and depending on the complexity and time involved, the costs can go up logarithmically. Be realistic in your audio aspirations.

[@gregrivera225]

Thanks for the tips. Very informative video and I learned a few things tonight.

[@stevenwillis9816]

I would've gotten all As in his class bc he's so clear with his information and its easy to understand him... keep up the good work 👍🏾

[@Mr2SMOOTH24]

I really enjoy watching your videos... I've learned a lot from watching you... Keep grinding and posting these banger videos 💯💯💯

[@JuanLopez-ng2mm]

Always good and informative videos, thanks!

[@markphilpot4981]

Very good advice Mark. I can remember back in the day, Soundstream amps were 1/4 ohm stable. Whether this was really true or marketing hype, those amps rocked. Cleanest sound I ever heard. Keep up the good work! Stay safe mates!😊👍🏻😷

[@decordejohnson7910]

Those were good times ☺️

[@israelvega344]

Very good information buddy keep up the good work, thanks.

[@jasonstokes3014]

Great information and content as always.

[@pokejuice1495]

Thank you for taking the time to share your knowledge. I have learned a lifetime from you in only 2 days.

[@FRL2000]

This is very useful information, and a great use of KZbin. Well done!

[@davidperry4013]

I'm glad I picked the Sony XM GS4 for my Sony Mobile ES speakers. The 100 dB S/N ratio, %0.05 THD, class AB topology, and high-quality Japanese capacitors and transistors are very attractive specs. The awesome sparkling crisp sound quality is the proof that's in the pudding and puts a big smile on my face. I'm considering a Crescendo Symphony amp for a Fi Neo 3.5 12 inch sub with stage 3 cooling inductance mounted in a sealed box so I can get powerful yet clean bass to fully complement the system.

[@96kylar]

Another great, informative vid. Good shit boss.

[@brentlaube568]

Crutchfield is a great resource for anyone who is lacking knowledge on anything they sell. I shopped there in the 90's and use them for other people's installs. I tell the 'customer' to call Crutchfield and order their stuff. The sales team is great, they get all they need for their specific vehicle and I don't have to try and explain it all myself. Plus, Crutchfield has a great return policy and don't rape you in shipping to AK like some merchants do. As for amplifier selection, I love built in everything. No need to install a bunch of additional boxes, wire runs, noise possibility, additional level matching...it goes on and on. The industry has come a long way since the 90's. I still prefer the sound quality of class AB for all speakers over class D. I had Diamond Audio D7 amps for a while....nothing has been the same. You did a very good job on this video. Hit all the key points and made a very good point you don't need more than 500 watts for the subs in most cases.

[@richardwhitaker4148]

Mark, I see where you're going with this. I'm jealous. You gonna fiber optically hook the Stinger to the VXi amplifier aren't you? I'm still waiting for the VXi amps and C7 to get back in stock too.

[@mrswagjumper8806]

This video slapped man. Keep it up Mark😎

[@81deaths]

Great information

[@aqua21]

I must say I really enjoy your videos. Crutchfield may be great for customers in the US but not for me and other living in Europe. You are suggesting amplifiers with an built in DSP. How do you configure two or more amplifiers with DSP in them? Can you connect them together and tune just one DSP for all amps? I think it seems to be better to have just one DSP connected to the rest of your amplifiers.

[@robbskittles]

Thank you for your videos. I’ve learned so much from them. Question about amps. I’m a sound quality kind of person. I’ve went with two down firing 10” utopia m subwoofer. What amplifier do you recommend. Is it better for each woofer to have its own amp? I’m not looking to save money. I’m on a Chevy Silverado. Thank you sir.

[@andylane1968]

Mark, crunch fields great except you've also got to remember that us in the UK 🇬🇧 or euro market can't get the lowdown using crunch field. As it doesn't have the list of our cars. But fantastic channel and very imformative.

[@denniswalker1640]

Great video Mark , love the show as always, but you said wiffers, lol, sir!!!!

[@bigk7788]

Hey mark I know you've got sponsors but think at some point you could push some more budget minded equipment... Other than that love the vids and I do learn alot.

[@CarAudioFabrication]

I've made several budget related videos, they never perform as well as the high end stuff.

[@bigk7788]

@@CarAudioFabrication I know you have. Just alot of high end stuff lately. Witch I like to learn about.... just cant afford.

[@mr.weaver7568]

@@bigk7788 hey boss don't go at it as I have to buy it all at once. For example I have a 2018 vehicle with a premium sound system with 9 speakers. One rear door speaker is out. I've ordered some focal speakers to replace both. I'm also going to add some sound deadening. Next stage will be front speakers which are components and more sound deadening. Then will be the dash and replace the factory 8" sub. There's nothing wrong with building ur system up in stages. Yeah it would be great to do it all at once but it's not a requirement.

[@mr.weaver7568]

Also I'm not even thinking about replacing the factory amp at this time or adding subs. Some things are optional. Yeah a new amp will probably make my new speakers sound better than the factory amp but we'll see what my ears tell me.

[@bigk7788]

@@mr.weaver7568 I get all that. Was just making a suggestion for content. Just seemed like every video he was producing lately was for the upper end audio. Witch I want to see as well. One day I'll to go that route. What I was getting at is there are a lot of audio companies out there like dayton audio and eminence that never gets any love at least when it comes to speakers anyways.

[@wgoodiew]

I really need to stop watching these video lol makes me want to upgrade my factory system in my VW 🙈 great videos though, really good explanation and not forgetting craftsmanship. I enjoy watching the videos so will watch some more 😊

[@mrreggiej85]

I definitely do months of research before purchasing anything. Especially on these newer cars.

[@bradbazzano3179]

Love your show, I have learned so much. I bought a audeosonic lc 6.1200 for my boat. I have 8 each 4 ohm Fosgate 100 rms speakers and 2 each 6.5 4 ohm 75rms speakers. How do I wire the speakers to this amp. I was thinking 2 speakers to each channel. It seemes like there is plenty of power to do so?

[@2008gagiudaniel]

Hi Mark. Could you do a video on a 2019 Ford Fiesta install?

[@denniswalker1640]

Always always learning

[@heethen112]

Video suggestions, wiring mono 2, 3, 4, channel/final impedance.. how to wire a high farad capacitor, some have remote wires most have more than one(up to 4) +&- terminals.. is it possible to run parallel or series? How to run a cap with battery bank if it optimal/possible/suggestible? No one on KZbin explains.. thanks

[@DapimpBDSD]

So when you sending that discount code for a that audiocontrol 6 chan amp?

[@Kahunak22]

This stuff seems straight forward for smaller vehicles. I’m trying to figure out how to wire 6 speakers in a semi truck

[@__--JY-Moe--__]

a video so awesome, I can almost pick out an amp. that doesn't blowup, in my face!! medium rare!!

[@Mike-hn4uu]

Love you bro - been watching a long time, can you just tell me which 6 channel amp and speakers to buy? Lol. 1500 budget or so - I hope this is a good chance for you to help your sponsors, I want to support you. Need tweeters, 3.5s, 6.5s and either 6x9s or more 6.5s

[@CarAudioFabrication]

Check out my consultation service! Perfect for this www.caraudiofabrication.com/consultations

[@raptuous]

Slightly off topic question: I was in car audio in the early 90's when all the power classes were based on 4 ohm amplifier power and all speaker voice coils were 4 ohms so 1 ohm or lower capable amps and dual voice coils was a big advantage. Why are almost all subs still dual voice coil and what is the advantage of running high current versus standardized 4 ohm voice coils in the modern era?

[@Markhead92]

Do a Video On Class A/B vs D

[@Drunken_Hamster]

So... I need a 12 channel amp just for doors if I wanna do a 3-way component? Would you even recommend a 3-way component front AND rear?

[@TACOMASRT5]

I have a Grand Marquis. It has a 8" hole by the rear window for the factory sub which my car didn't come with. I'm looking at an infinity kappa free air 800watt 1600wat max sub woofer, and a pioneer 1000 watt amp. Is this enough? Or a good or bad setup? Any advice would be greatly appreciated.

[@stevehayes9992]

Hey Mark looking for a good flat screen single den to put in the slingshot and what city are you in sir touchscreen can u suggest a mid level system

[@baileymaimone]

Hey mark I was just wondering I run 2 sundown sa12’s and they push 750 rms each but I actually push them harder at 900 each and have a 1800 1ohm amp the car ran fine no electrical problems but I just added a amp and new door speakers that will add another 400 watts do you think I will need to upgrade my alternator or maybe just add a battery/capacitor, what do you think? Also love the videos I started watching to learn how to make the clean boxes and beauty panels all the wood work stuff it’s awesome 👍🏽

[@suthtokcraew1227]

just add a super caps or lithium bank

[@altomtat9662]

I like your channel

[@carlitot5388]

Do you recommend a graphic equalizer or just go off the head unit 13 band eq? Nice video

[@msh6865]

Try to find a head unit with parametric eq. As many bands as possible Otherwise, maybe use a DSP with a eq.

[@Ms-bj3fb]

I am searching for a amp for my two JL audio 12W6s. Every time I think I've made up my mind I question myself because there are good opinions and bad opinions. I'm starting to think that it's more about personal choice and preference. What would you recommend? I'm looking for a amp to do one ohm at 1200 Watts and a four-channel to do about 60 to 75 watts per channel. Any advice would be greatly appreciated.

[@B12Row]

I pick and installed a Kicker KX 400.4 amp and upgraded all 4 speakers and tweeters in my truck. Everything worked when I started my truck up but today was the first time I actually drove my truck, once I started to drive I had no sound, the amp must have shutoff. Come to a complete stop put the truck in park amp work. I rethinking that my grounds are not that great. To have it work in park and not in drive???

[@bob75896]

My current system is dual Rockford fosgate slimline series 3 with a 1500W amp running to both! I’ve had since 2019 and love it but now I’m getting a bigger vehicle and wanting dual 12 Bose 2300 watts to each sub! Should I run a 4000 watt amp or 6000 watt so I can push higher amperage? Thank you

[@rickgolden9220]

I’m thinking about putting a Focal AP 4340 A/B amp in my Toyota Tacoma I wonder if I would need any kind of electrical upgrade for the truck?? I know just enough to get myself in trouble lol

[@charlesm2058]

My question would be if I'm running an aftermarket head unit aftermarket speakers I'm looking to do a 12 inch ported box should I run a 5 channel amplifier. Or a 4-channel amplifier and I'm looking to run an epicenter also Any advice would be greatly appreciated

[@FaceYourFear.]

Question.... If I’m using a 6 channel amp to run Active and a mono to run a subwoofer. That’s 4 sets of RCAs. My headunit only has 3 , How would that work? Can I use the output on the sub amp?

[@chrisb5515]

Would it make a difference to use a class A/B amp on my Mids and Hi's and class D on my subs? , I've heard to much to decide now . I also have a EQ but Im at a stand still.

[@wayneslain9444]

Tampa Bay all the way all day! AAMP audio legion skar n Bucs ftw🤙

[@markmaese1599]

Is the difference between regulated and unregulated amplifiers significant?

[@danielwallace3565]

Can you run tweeters on a full range class d 4 channel amplifier? For example could you run tweeters on a skar skv2 200.4d

[@xaviermagana2955]

What amp would you recommend for the Kenwood KFC‑C6866S? 4 channels

[@lindanimsimanga413]

Good day! Kindly assist on what type of amplifier i would need to support the following set of speakers: 1. JVC 6" 300w 2. JVC 6x9 400w 3. Pioneer subwoofer 12" 1400w Max

[@markmaese1599]

Hey Mark, do you think it's alright to slightly exceed a subs or speakers power rating because of losses in efficiency and/or from auto voltage (14.4 to 12.5)?

[@josephnelson5006]

I've always bought amps to go over the value of the subs but turn them down to play slightly under the rated power using a meter.

[@jonnyfish76]

Hey mark. Im curious as to why Crutchfield recommends that i dont add an amp to my subaru that has starlink. Also, what can be done to work around this the right way?

[@redciroc1211]

What do you think about Rockford punch p3d4 12s subs?

[@dmod686]

Am I able to use a 4 channel amp on for two speakers, just using two channels and leave the other two channels free for now? Thanks

[@150jaalvarez]

Hello Mark I have 2 of JBL gto components and 2 subwoofer 12 400 Rms each I want to know which amplifier I can use In my 2020 toyota corolla try to keep my stock stereo Please let me know I like the LC-6.1200 let me know if this amplifier is good for my set up

[@powerband5235]

What amp would you recommend to power two jbl club ws1200 1000 Watts 12" shallow subs. Thanks

[@DatsOkey]

I have a 2015 Chevy Malibu with the 9 speaker Pioneer system. How many channels will I need on the amp?

[@FrankieJ1981]

I have 4 speakers with passive crossovers, and a separate amp running my sub, do I need a 4 or 6 channel amp?

[@pebble_paper_shotgun2551]

I’m only running 4 JBL speakers on an aftermarket headunit, I only want an amp I don’t want a sub. What one would you recommend that’s cheaper

[@brandon6451]

So which brand? I'm leaning on Jl Audio or Kenwood

[@jreed2972]

I have a 2018 mustang convertible 9 speaker system it doesn't have a Subwoofer. What channel amp are amps will I need to run 9 speakers a new Subwoofer?

[@zeez9053]

Hello you would know a way to bypass the signal that turns a radio of (eco mode ) after 10 minutes with full battery when engine not running ? 🇬🇧

[@redciroc1211]

I have 6 coaxial speakers and a 4 channel amp I wanted to tab in the factory harness on my classic 81 eldorado without bose can I do that?

[@premiumkicks9574]

What amp do you have for your jeep ???

[@blufey2925]

I'm only running a single '12 wiffer in my build

[@tanaybag4751]

@CarAudioFabricatio Hello, For a combination of speakers XS-162ES at front & XS-160ES at rear, which is a suitable amplifier among XM-GS4 or XM-4ES? I require to get crystal clear sound only with some good bass. I am NOT looking for very loud sound. What are the extra things to get from XM-4ES over XM-GS4, is it only loudness or the output is far better in terms of clarity? Is it worth the price if I install XM-4ES or XM-GS4 will meet my requirements? Please let me know. Thanks!

[@stateofemergency4966]

Can you make a video on top best budget equipments like battery,speakers,amp and stereo

[@stateofemergency4966]

@@sniperking305 lol

[@stateofemergency4966]

@@sniperking305 yea bro I’ll appreciate that

[@stateofemergency4966]

@@sniperking305 btw do you know about car audio system good?may need a little help

[@tommylortz411]

My amplifier is stable at half ohm. Can I run 2 of them strapped at .67? Each amp would see .33 ohm. Amps are Wolfram AW5K I am putting them on 3 dual 4 ohm subs

[@srt8turboawdjeep146]

Do we need to look for low S/N ratio to avoid noise when music is not playing???

[@NinaBabyTV]

If your gains on the LC series is set correctly, can the bass restoration dial cause distortion/clipping if turned too high?

[@NinaBabyTV]

Anyone?

[@phaulinedelacruz5579]

What is a good amplifier for massive pat 400? 8pcs

[@kingdinamo2076]

How would you guys rate the HELIX P 6 ULTIMATE???

[@coreybarnett8087]

Hi I got a quick question, What would you run if you wanted to run four 6X9's. I do want bass from them also. So I'm looki g to find what brand and Amp that will work correctly, Thank You in advance...

[@joshymcdaniel9233]

You’d want a 4 channel amp If just doing 4 door speakers If u want to add a sub also you’d want to get a 5 channel But have to look at are the door speakers stock or aftermarket If stock u need to find what rms is which is normally very very low like 50 watts rms per speaker If aftermarket it will say on listing/ box like 150 watts rms etc so if speakers say 150 watts max rms you’d want to find a 4 channel amp that provides right around that area so you’d be looking for a 4 channel amp that says 150 watts rms x4 The x4 would mean u have 4 speakers so each speaker is getting 150 watts in which it’s rated for’ Never go higher than what speaker recommends for max rms you’ll blow the speakers n a heart beat Hope that helps some Always look at rms not the “total peak power” that’s just advertisement bs always match rms of speakers and amp Don’t get some off brand buy once cry once’ promise you’ll be happier even if u have to wait to save up’ Tried and true u can’t go wrong With Alpine /kenwood /kicker pioneer is okay but personal I would go with alpine or kicker just my opinion always had great luck with them

[@michael6692]

IF I HAVE MIDS 250 WATTS AT 4 HO S AND A AMP AT 300 WATTS AT 4 HO S .. IT UNDER POWER BUT PLAYS OK WILL IT HURT THE AMP OR WILL I BE OK

[@NathanC-YT]

HEY I NEED HELP. Jeep owners who have installed subwoofers. With the top off and doors off how does it sound? Id like to know your setup too if you all could leave it below for me. Im trying to help my girlfriend out with this and here is my thought. I prefer ported but I think a sealed box would do better if you had no doors or top. She will probably end up with 2 10s but the question is would sealed or ported be better without the doors or top. Please tell me what you know all info would help. Thanks

[@dc366]

Im looking into buying AudioControl LC-4.800. How is it compared to KICKER 44KXA8005 which I currently have? Can someone vouch for AudioControl?

[@janreb22]

I just want to verify if I can run a 3 Way Component Speakers with a 4 Channel Amplifier w/ DSP, then have my Subwoofers with a Mono Amp?

[@52chughes]

Are the Taramps amps a good amps

[@shawnphillips9864]

I know when wiring the amp itself bigger wire carries more and sounds a lil clearer but is the same said for wiring the subs in the box? Or does it not matter

[@joseplascencia02]

Whether it’s true or not you shouldn’t cheap out on any part of the system . You won’t know if it’s the wires or the actual sub if there a problem so h even make a problem in the first

[@thebkg]

I know Mark has touched on this in other videos but I thought this would be a good add to this one: Don't Be FOOLED by large Wattage Ratings. Sadly a Great Many MFGs outright lie. If your looking at lesser known brands always look at the Fuses and do the math! Example: I just saw an amp listed on Mercari made by CRUNCH that's rated for 1500 WATTS!! But it only comes with a single 40 Amp Fuse. So at best most alternators run at 14.4 Volts. So 40 X 14.4 = 576 Watts of power. Amps cannot produce electricity, they only convert the raw electricity they get from the battery/alternator into musical energy. A typical Class D amp runs around 80% Efficient. Meaning if it's maximum wattage input it can handle is 576 then the most output wattage it can produce is 460.8 Watts. So in truth this 1500 Watt amplifier is really a 460 Watt amplifier. They might have achieved 1500 Watts measured in the lab for 1.2 seconds before it burst into 🔥 🔥 🔥!!! Always Do the Math. If an amp has multiple fuses you simply add them together to get the total Amps of input the amplifier can handle. Here's a great channel for seeing car audio amps Bench Tested: kzbin.info Williston Audio.

[@brandon659366]

Speaking on efficiency, I thought that mono amps pull more than their advertised wattage to compensate for wattage lost to their efficiency rating. For example: provided a 1500w rms amp has the proper fuse inline, it would pull closer to 1600-1700 watts to achieve the advertised 1500 watts. Is that not correct?

[@badrealamhakeem2083]

i am installing new component in my car with company fitted head unit. stegMLG65c in front stegLEO650 in rear i need 1 amplifier with built in DSP and my component r 70watt RMS I am having higher low conveter suggest me the best amplifier for SQ SOUND SETUP

[@BoRerunn]

How can I pick a clean signal output amp ??? To push a 8inch L7 sub to the MAX

[@parsa_sandbox3184]

What if i just want to add a sub. I was thinking like a planet audio pl1500 with a kicker comp r (im super new to this scene so any tips would be appreciated)

[@DarrenBoxhall]

How do you rate the JL 600/6i

[@pumafide1]

Memphis belle 16-mch1300 m class ??? M class? Never encountered an m class before. What’s the difference between ( a, ab, d ) and ( m ) class??

[@andrewmcgee1876]

If I use 2 different brands of amps and 1 has a dsp built in but the other doesnt can I link them to have the dsp tune both speakers and subs?

[@joseplascencia02]

Probably depends on the amp and if the rca out of the amp is affected or not

[@ganeshnarayan5505]

Hey Mark great video. have a question i bought head unit Kenwood dmx 4707s but the head unit does not HAVE amp turn on the blue and white wire. how should i connect to the amp to turn on. ANYONE

[@CarAudioFabrication]

Blue wire on the accessory 8 pin connector

[@ganeshnarayan5505]

@@CarAudioFabrication Thanks.

[@thatguykai479]

How can I avoid adding another battery/alternator/capacitor.

[@warzone4280]

Can u please suggenst me pioneer components and subwoofers for my car

[@lev1046]

guys i really need help!! Im upgrading to rockford dual 12 P3's rated at 1200 rms at 1 ohm. I was going to get the skar 1500 watt mono amp for $180. Is this a good amp for the subs and will i need an extra smaller batter/capacitor and 1/0 gauge wire?? completely stock radio on a 2014 car

[@brandon659366]

I have the skar 1500w mono amp, it's extremely good value for its performance. If your peak power is going above 1500w and you have the power wire running more than a few feet then it couldn't hurt to upgrade to 1/0 wire, but for that amp you would also have to purchase some 1/0 to 4 gauge wire reducers because the amp has 4 gauge inputs. Idk about an extra battery, but I did have to replace my stock alternator with a high output one (stock one died on me, took my battery down with it). You will probably have to do the same unless your stock alternator puts out ~200-250 amps. A 2 farad capacitor would help as well. I also opted for a high performance optima yellow top battery to replace my old one.

[@lev1046]

Thanks man. I also have the option to get a rockford 1000w prime which I read is extremely efficient and would make it so I wouldn’t have to upgrade my electrical or get another battery. Is this even true do you think? The amp is $400 but a whole 500w less power. Do you think the 500w would be noticeable sound wise or would it’s efficiency compensate for the less power with better sound quality