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Audiobahn A8000T

Mono subwoofer amplifier
400 watts RMS x 1

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Item #: 037A8000T
 

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Our take on the Audiobahn A8000T

by Erin Blanton

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

Want big bass? Look at our SubwoofersIf you want Audiobahn performance in a smaller package, check out the Intake series amps! A built-in air intake and a cooling fan ensures that these compact workhorses will stay cool through hours of heavy use. The A8000T pumps out 400 watts RMS of MOSFET-fueled Class AB power to your 4-ohm subwoofer. Hook up a 2-ohm load, and you get twice the output!

You get the precise sonic control that you expect from Audiobahn. A variable low-pass crossover trims unwanted frequencies, so your lows are clean and clear. You can improve the efficiency of your speaker system by adjusting the subsonic filter (variable from 20 to 50 Hz) to block ultra-low frequencies that your subs can't reproduce. Dial in the bass boost to bring on a bass-quake!

Like to be in control? The optional remote-mount digital voltmeter lets you keep an eye on power levels from the driver's seat, while the optional wired remote bass boost provides variable control over your low-frequency punch.

See more info on this item

Highlights:

  • 400 watts RMS x 1 at 4 ohms
  • 800 watts RMS x 1 at 2 ohms
  • MOSFET power supply
  • two 30-amp fuses
  • 50-120 Hz low-pass crossover, 18 dB/octave
  • variable bass boost (0-18 dB at 50 Hz)
  • preamp outputs
  • cooling fan
  • cobalt blue illumination
  • speaker- and preamp-level inputs
  • 4-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • 11-5/16"W x 2-5/8"H x 13-1/4"D
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Performance
RMS Power Output (Watts x Channels) 400 x 1
Peak Power Output (Watts x Channels) N/A
Power at 2 Ohms (Watts x Channels) 800 x 1
Bridged Power (Watts x Channels) N/A
Minimum Impedance Bridged N/A
Minimum Impedance Unbridged 2
Best Frequency Response N/A
THD at Rated RMS Power 0.02%
Signal to Noise Ratio 100 dB
Input Voltage 12.5v
Features
Amplifier Class AB
Low-Pass Crossover Frequency 50-120Hz
Low-Pass Slope (dB/octave) 18dB
High-Pass Crossover Frequency N/A
High-Pass Slope (dB/octave) N/A
Bass Boost 0-18dB
Bass Boost Frequency 50Hz
Fan Cooled Yes
Fuse Rating 30 x 2
Speaker Level Inputs Harness
Preamp Outputs 1 pair
Width (inches) 11-5/16
Height (inches) 2-9/16
Depth (inches) 13-1/4
Parts Warranty 1 Year
Labor Warranty 1 Year
Product Research
What's in the box?

Download owner's manual

  • Mono amplifier with two 30-amp fuses inserted into the chassis
  • One 11" speaker-level input harness
  • One 3mm Allen wrench
  • One 3/32" Allen wrench
  • 4 Self-tapping screws
  • 2 White gloves
  • Operating Instructions
  • Warranty Information/Product Registration Card
  • One 11-3/4" x 3-3/4" window sticker
  • One 12-1/4" x 1-1/2" window sticker
  • Transworld MOTOcross subscription special offer

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features
Inputs and Outputs Notes

Features

Class A/B MOSFET Power Amplifier: This is a Class A/B amplifier that uses MOSFET devices for its amplification stage and power supply.

High-gloss Chrome-plated Finish: This amplifier has a high-gloss chrome-plated finish. A pair of white cotton gloves is included with the amplifier to prevent fingerprint smudges when handling and mounting the amp.

Cooling Fan: This amp has a built-in air intake and a cooling fan on top, ensuring cool, reliable operation.

Variable Subsonic Filter: The subsonic filter (variable from 20Hz to 50Hz) allows the amplifier to block ultra-low frequencies that your subs can't reproduce, improving the efficiency of your speaker system.

Internal Crossover: The internal low-pass crossover is adjustable from 50Hz to 120Hz and has a slope of 18dB/octave.

Bass Boost: The bass boost control allows you to dial-in a 0dB to +18dB gain in bass output, centered at 50Hz. The optional ABR-100T remote bass boost control allows you to adjust the bass output from your seat.

Phase Shift Switch: The phase shift switch allows you to select 0 or 180 degrees. The phase shift switch can be used to prevent phase cancellation of low frequencies that are output by the subwoofer. Matching the phase of your subwoofer with the phase of other speakers in your system ensures bass response does not suffer due to phase cancellation.

Soft-Start Circuitry: The amplifier automatically turns on a few seconds after you turn your vehicle's ignition switch to ACC or ON. 

Optional Digital Voltmeter: This amp can be used with an the optional ADM-100T remote-mount digital voltmeter.

Protection Circuitry: This amp has the following protection circuitry:

  • Thermal: shuts off the amp when the operating temperature is too high
  • Input Overload: shuts off the amp as a result of low voltage or over-voltage
  • Short Circuit: shuts off the amp due to speaker or DC short

Inputs and Outputs Notes

Front of Amplifier:

  • Speaker: set screw terminals that can accept up to 8-gauge wire
  • BATT (power): set screw terminal that can accept up to 4-gauge wire
  • GND (ground): set screw terminal that can accept up to 4-gauge wire
  • REM (remote turn-on): set screw terminal that can accept up to 8-gauge wire

Back of Amplifier:

  • DVM: phone-type jack for use with optional remote-mount digital voltmeter
  • Remote: phone-type jack for use with optional remote bass boost control
  • High Input: 5-pin male jack for use with supplied speaker-level input harness
 
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Audiobahn A8000T Reviews

Average Customer Review:

14 people say:

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5 out of 5

Audiobahn A8000T

Written By funmatt1, charlotte, nc on Wednesday, January 25, 2006
 
this is an awesome amp. i replaced my kenwood kac-9152d with this one because the kenwood couldn't drive my diamond audio m612d4 as loud and clean as i wanted. even though this amp actually makes 100watts rms less at 2 ohms (rated) it feels much more powerful and gave me 12 more db before it started to distort. the sound is also much cleaner and musical (most likely due to the class A/B rating compaired to class D). i would recommend a 1 farad capacitor to recieve this amp's full potential, my 110 amp alternator can't feed it enough. mounted in the box behind the seat in my truck, i have yet to overheat this amp, even on a 3 hour ride to atlanta with the windows down and volume way up. for the price it can't be beat, its even very competative with amps more than twice its price.
7 out of 8 people found this helpful
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5 out of 5

Audiobahn A8000T

Written By Guillermo, Miami, FL on Wednesday, January 18, 2006
Crutchfield Customer Review (What's this?)
 
Most definitely worth the money. High quality sound as well as unique design.Greatly exceeded my expectations!!
3 out of 4 people found this helpful
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3 out of 5

o.k.

Written By luke5513, winchester, va on Tuesday, January 17, 2006
 
I have one of these hooked up to 2 infinity perfect 10.1 subs. This says @ 2 ohms it will push 800 watts, it's more like 350 watts. If you want something with a "true power rating" make sure that it is CEA certified, that means that the wattage rating on the box is what you are getting. This amp is o.k. for the money but don't expect it to perform like it says on the box. You are better spending another $100 and going with a better name, I would put audioahn in the same class as profile. Don't listen to all these morons saying this is a great amp. If all you care about is loud distorted bass than buy this, but if you want a clear tight sound buy a better amp!!!
9 out of 18 people found this helpful
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5 out of 5

Audiobahn A8000T

Written By Milton, Marshall, VA on Saturday, November 19, 2005
 
I have this amp hooked up to a 12" Audiobahn High Excursion sub and it rocks the car.
3 out of 4 people found this helpful
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5 out of 5

NICE

Written By Judd the Studd, Frederick, MD on Monday, September 05, 2005
 
I bought this amp a couple months ago. I used to run one 12" MTX 8000 400w rms sub with a Profile amp pushing 600w rms but I actually went through 3 amplifiers cuz they kept breaking. So I bought another of the same subs from my friend and then I bought this amplifier cuz I hated Profile amps after my experience and I knew audiobahn was a good name. Plus it has air intake so it stays really cool even for long periods of time with the bass cranked. I have this amp wired in 2 ohms at 800w pushing two 12" MTX 8000 subs. Its amazing. I have the remote bass control knob as well and its worth the extra money for that. I love the intake, the blue light, the sub sonic filter, and the phase shift. I couldnt ask for more from this amp. Its perfect in every way for me. Loves to suck power though, so either have a beefy alternator or get a capacitor or deep cycle battery or something if you plan on cranking your bass alot.
9 out of 10 people found this helpful
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5 out of 5

Great Amp

Written By chris, Pensacola, FL on Saturday, August 27, 2005
 
Have had the amp for about a month, and I'm very impressed. Currently pushing 2 - 12 Infinity Reference 1230W with ease. Will be purchasing the bass remote. It's wired in 2ohm for the 800w power
3 out of 3 people found this helpful
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5 out of 5

So far So good

Written By Mickey, Batavia, IL on Monday, July 25, 2005
 
I got this amp about a month ago and so far it has been great, its pushing two kenwood kfc-w009 subs and once the subs were broken in i could really push them with this amp. it looks great and has been performing great but i had first had it wired with the speaker level inputs instead of the RCAs and it sounded aweful, it just wasnt getting enough power. but with the RCA's it bumps, also the wired bass boost is a must i believe
5 out of 5 people found this helpful
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5 out of 5

Don't Hesitate

Written By Chipster, Topeka, KS on Friday, July 22, 2005
 
I got this amp a year ago. I have pushed 2 10 MTX 8000 subs and am now pushing 2 10' Audiobahn FlameQ subs. This amp is not only impressive in its clean looks, it sounds GREAT. Never had a problem with overheating and runs at 2 OHMS extreemly stable. One recomendation, get a cap, this amp loves clean power! Don't hesitate, you won't find a better sounding amp or a better looking amp in this price range. PERIOD!
9 out of 10 people found this helpful
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4 out of 5

Nice Amp

Written By Matt, Rock Island, IL on Wednesday, July 20, 2005
 
This is a great amp. I have it hooked up to 1 infinity 12 vq and it powers the sub nicely. The shiney chrome polish just makes it even better.
2 out of 3 people found this helpful
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5 out of 5

Awesome Amp

Written By Fernando, Camarillo, CA on Thursday, July 07, 2005
 
This amp is awesome. I have it hooked up to two audiobahn 12's and it pounds so hard that i wear ear plugs when im driving. Its a very good amp for its price. This amp makes my subs hit harder and with more bass then my friends three JBL 12's. Its also a very nice looking amp with the chrome finish. P.S. The remote bass control is a absolute need if you want bass control at you fingertips.
3 out of 3 people found this helpful
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4 out of 5

This thing hits so hard

Written By Kevin, Ojai, CA on Wednesday, May 18, 2005
 
This is a very good amp. I have it hooked up to two audiobahn high excursion subs at 2 ohms, oh my god. even with it turned at 50% it is still to much bass. The only problem i'v had is that the intake fan started to go out, i could have just sent it back in to get fixed, but i didn't want to wait so just bought a cpu cooler for a pc and ripped the fan off and replaced it in the amp. very easy fix. other than that it has never overheated once! good amp for a very good price!
12 out of 12 people found this helpful
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5 out of 5

BEST BANG FOR YOUR BUCK

Written By MIKE, PORT MONMOUTH,NJ on Sunday, May 08, 2005
 
THIS AMP IS GREAT I HAVE IT HOOKED UP TO 2 AUDIOBAHN 12 INCH SUBS (700 WATTS RMS)(1400 MAX A SUB) AND THIS AMP MAKES THEM HIT HARDER THEN I THOUGHT IT WOULD. I HAVE ALL THE LEVELS TURNED DOWN TO ABOUT 25%.I AM HITTING 150.2 DB WHEN I GOT IT TESTED YESTURDAY.AND IT ALSO LOOKS GREAT.
12 out of 12 people found this helpful
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4 out of 5

Audiobahn A8000T

Written By ryan, ambridge pa on Tuesday, March 01, 2005
 
i have this amp hooked up to 2 kenwood 12's wired at 2 ohms, it sounds pretty good and hasnt overheated yet and ive slammed it pretty hard, it looks great to!
20 out of 25 people found this helpful
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5 out of 5

Audiobahn A8000T

Written By Javier, Bay Area, California on Friday, February 04, 2005
 
I wasn't really an Audiobahn enthusiast. I though they were only about good looks. But when someone recommended it to me, I tried it. Plus, it was the cheapest amp I found for the "watts" it produced. I purchased it like 3 months ago, and Im plaesed with its performance. I have it running 2 10" 500 watt rms subs @ 2 ohms. The gain is set @ about 50%. It pounds great. It hasn't overheated, even when playin bass CDs for a couple of hours. Plus with the intake fan, I am not worried of the amp ever shutting off on me. So I recommend this amp.
297 out of 374 people found this helpful
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