Autotek SX-5750

Price Paid:  $280.00 from rd audio

Year / Model Reviewed:
2003 sx 5750

Strengths:
very strong and capable. never gets hot or cuts off. reminds me of the old punch amps.

Weaknesses:
not a weakness,but you can barely notice a drop off of sq on amplifiers costing double its price

Summary:
very strong amplifier. powered my 2 10w3 with authority. the detail on this amp is good but the power is amazing. i would recommend this amp to anyone. never gets warm or shuts off. looking for an affordable 5 channel, look no more.

Similar Products Used:
punch 45,punch 400,alpine,sony(sucks),ppi 2300, ppi 2360,jl 300/2 and jl 1000/1. purchasing a sx 2300.

Price Paid:  $250.00 from ebay

Year / Model Reviewed:
 sx 5750

Strengths:
Clean, efficient, cost effective, I think the amp is great, it had to be for me to buy two of them.

Weaknesses:
For me there are none

Summary:
I have the amp in two cars an 83 civic and a 00 Saturn, it's powering 2 sets of 6" MB Quart coaxials, and now a 12" Rockford HE2. It plays nicely and has not overheated yet. The sub channel is not class D, but it plays cleaner because of that. It has all the crossover and bass boost you need, mine has never been more than half way up. The car sings I am not a basshead so this amp fits me perfectly, I can run my whole system on one amp and it saved me madd money. Now don't get me wrong the HE2 bangs, but not excessively. It has the power for bassheadz if that's what you like. Initially it was powering a Nakamichi SPW12 at a 4ohm load possibly too much because one day the speaker just stopped working, or possibly distortion but the thd is reasonable, but while it played it was beautiful, quick, responsive and clean, I loved that sub. I would recommend the amp to anyone on a budget and wants sounds. Checkout AUDIOOUTLET on Ebay for a great deal. For all the specs go to autotek.net.

Similar Products Used:
mtx, alpine the older stuff, pioneer, these amps were no competition.

Price Paid:  $320.00

Strengths:
Good sound, lots of power!

Weaknesses:
Not a class D sub channel. Not stable at one ohm. Specs on autoteks website are not accurate!

Summary:
This is an update to my previous post. I found out from Autotek tech support that the sub channel is NOT class D and that the amp is NOT stable at 1ohm. Autotek needs to shoot whoever posted the specs on their website.

I still love this amp, it is a powerhouse. Just don't get it if you want to run 1 ohm.

Looses a star because of the bogus advertising.

Similar Products Used:
Hifonics Z700 The Autotek is more powerful

Price Paid:  $319.00

Strengths:
5 channels, Class D sub channel, 18db x-over, 4ga power and ground. 1ohms stable!

Weaknesses:
Made in Korea (who cares, it is a great value!) Logo looks like a Chrysler mini-van!

Summary:
More for the money! I got it on ebay for $319. It says it is only 200 on the sub channel, more like 280! At 2 ohms it can do 400 on the sub channel and nearly 700 at 1 ohm, yes it is stable at 1ohm on the sub channel! Class D, clean power on the sub channel.

The crossovers and bass boost are amazing (18db). This amp sounds clean and it really pounds... never even gets warm!

Similar Products Used:
Never owned another 5ch, but compared to Hifonics Z700, it offers more for the money in the same size package... of course, the Hifonics is prettier (if you care about that).

Strengths:
Wow..simply wow. This amp is just too beautiful. The chrome heatsink design makes it looks professional and powerful. The sound out of it is amazing. With 75x4 plus 200x1 you can't emagine how loud this puppy gets.

Weaknesses:
NONE - FLAWLESS

Summary:
If you can get one from Ebay for a good price...don't hesitate and get it. You will love the sound and the way it looks. This is really an amp that is designed by people who know what they are doing and specialize in it.

Similar Products Used:
Sony - nice...same rated wattage but was not Class D and overheated a lot
Infinity - not enough power
Rockford Fosgate - OVER RATED...