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MA Audio M689I

2-Channel Amplifier

MA Audio
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800W 2-Channel High Performance Amplifier • 180W x 2 @ 4 Ohm RMS • 250W x 2 @ 2 Ohm RMS • Full MOSFET Circuitry • High/Low Level Inputs • Variable High/Low Pass Cross-Over 50 - 250 Hz • Variable Bass Boost 0-18dB @ 45Hz

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Product Highlights


800W 2-Channel High Performance Amplifier • 180W x 2 @ 4 Ohm RMS • 250W x 2 @ 2 Ohm RMS • Full MOSFET Circuitry • High/Low Level Inputs • Variable High/Low Pass Cross-Over 50 - 250 Hz • Variable Bass Boost 0-18dB @ 45Hz

Description


MA Audio brand icon

Authorized dealer

  • 800W 2-Channel High Performance Amplifier
  • Variable High/Low Pass Cross-Over 50 - 250 Hz
  • Variable Bass Boost 0-18dB @ 45Hz
  • 3-Way Protection Circuitry
  • 2 Ohm Stereo Stable
  • High/Low Level Inputs
  • Low Level Output
  • Full MOSFET Circuitry
  • 180 x 2 chan. Watts RMS @ 4 Ohm Stereo
  • 250 x 2 chan. Watts RMS @ 2 Ohm Stereo
  • 800 x 1 chan. Watts MAX
  • Dimensions: 2" H x 10.75" W x 11.5" L
  • 2-Year Manufacturer's warranty

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
180 watts x 2 channel
RMS Power @ 2 ohms
250 watts x 2 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
400 watts x 1 channel
Amplifier Specifications
Amplifier Class
A/B
Number of Channels
2-Channel
Total Peak Power Output
800 watts
Total RMS Power Output
500 watts
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
.05%
Speaker Level Inputs
Yes
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
50 - 250 Hz
Low-Pass Crossover Frequency
50 - 250 Hz
Bass Boost
0 - 18 dB
Remote bass/level controller
No

Item Details


Manufacturer:

Model Number:

M689I

Weight:

12.00lbs

Internal SKU:

m689i

Internal Product ID:

2675

Product and How-to Videos


Customer Ratings & Reviews


MA Audio M689I thumbnail image

5 star
60%
4 star
40%
3 star
0%
2 star
0%
1 star
0%



Durability
4.6
Value
5
Features
3.8
Design
4.4
Usability
4.6

Customer Reviews

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Good Amp Great Price

I installed this amp in a customers car powering 2 Clif Designs CD100W Subs. The subs were underpowered, but still sounded tight, however not too deep. For the price you can't beat the quality though.

By James on September 10, 2005

3 found this helpful


good starter

I've had this amp for about 10 months now hooked up. It is a good starter amp sound quality is fairly good when wired correctly (use preamps and sounds miles clearer...of course) safety protection is very nice for someone who is worried about loading down amps and blowing them, this amp WILL NOT run if it is loaded down further than specs. Inversely this is not the amp for you if you want mind blowing bass and want to load down for burping


NEVER had a heat problem

By matt on July 13, 2007

2 found this helpful


don't believe the hype

I have been the proud owner of a HK400D for a little over a year. I recently received a pretty good bonus on my job, so to treat myself I decided to upgrade to this amp. I had a single Powerbass M-10 hooked to the 400D. So, I figured if one was good, why not have two. If you are anything like I am, you've probably done a ton of research and you have seen people say that in order to have a great system you need RF or JL, or even Kicker. Don't get me wrong, these are fine amps. All I'm saying is, you don't have to spend all that money to get a QUALITY amp. Maybe this one doesn't have a built in fan, if you have it installed properly and buy the right amp for the job, you won't have any problems, and if you do MA has something other amps for this price range don't; a full 2 yr warranty. If you are looking for a starter system, or upgrading like I am, MA has what you are looking for whether it be clean S.Q. or window breaking SPL, they make one with over 4000watts RMS. And Powerbass falls right in with the MA. So, don't believe the hype... These are quality products, my money is too hard to come by to throw it away...nuff said.

By william on March 13, 2007

2 found this helpful


great value, and great performance

I purchased this amp for my g/f, after installing this amp with 2 kicker 12" comps i must say i'm impressed, the amp puts out tons of clean useable power and is built like a freakin tank, and the chrome accent is a very nice detail, i would recommend this amp to anyone looking for a budget sub system.

By Jesse on October 2, 2005

2 found this helpful


niceee

this is a very nice amp...only downside is no cooling fan or nothing, but other than that it's built very well and puts out nice clean power...definitely worth the money, i have it hooked up to two MA audio 12s and it POUNDS..great buy

By Kyle on April 21, 2006

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