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  Home > Car Audio & Video > Amplifiers, EQs & Processors > Amplifiers >

  Sound Ordnance™ M-4075
  Sound Ordnance M4075 75W x 4 Car Amplifier
 
Enter the Crutchfield Research Centre & Video
4-channel car amplifier — 75 watts RMS x 4

Our Price: CAD $149.99


Stock Status: Out of Stock


Product Code: 777M4075


Description Features Crutchfield Hands-on Research Accessories
 

Win the battle for great sound in your ride. Sound Ordnance amplifiers feature tough construction, rugged looks, and a 3-year warranty, so you can enjoy the full power of your music for the long haul. Even better, you can add Sound Ordnance to your arsenal at a surprisingly affordable price.

The Sound Ordnance M-4075 4-channel amplifier deploys 75 watts RMS to each channel, giving your music plenty of firepower. You can also bridge the amp to 2-channel mode to mobilize a pair of subs with 240 watts RMS each, or send 240 watts to a sub while the front channels run your full-range speakers. An adjustable high-pass filter makes sure your full-range speakers operate within their optimum range and give you the best tone possible. If you're driving a sub, the low-pass filter and selectable bass boost allow you to control your bass barrage at will.

The M-4075 amplifier uses sophisticated power supply and output technologies to ensure clean amplification from its inputs all the way to your speakers. Special circuits protect the amp against overheating and short circuits, while a turn-on delay virtually eliminates that annoying thump when you turn your system on.

 
Details:
   » 4-channel car amplifier
   » 75 watts RMS x 4 at 4 ohms (140 watts RMS x 4 at 2 ohms)
   » 240 watts RMS x 2 bridged at 4 ohms (4-ohm stable bridged)
   » variable high-pass filter (80-2K Hz, 12 dB/octave)
   » variable low-pass filter (50-250 Hz, 12 dB/octave)
   » selectable bass boost (0, 6, and 12 dB)
   » PWM (pulse width modulation) power supply with MOSFET output
   » preamp inputs and outputs
   » fuse rating: 30A x 2
   » 8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
   » 15-5/8"W x 1-15/16"H x 9-13/16"D
   » warranty: 3 years

Average Customer Rating: Based on 24 Reviews.


 
Impressive May-02-12
Reviewer: KevS from Denver, CO  
I am very impressed with this amplifier.  It is producing power just as described and rated.  The look of it is very nice.  It doesn't seem to got hot after multiple hours of hard use. I am using this amp to push Kenwood 6x9 rears and 6" component fronts.  They are rated at 300W max and 75W RMS.  This amplifier is pushing them hard with crisp clear sound.  I am very impressed with all of the features for the price.


 
Very Impressed April-15-12
Reviewer: Dave from Oklahoma  
Amp works great. Nice Clean Sound!!


 
Perfect for iPod "stealth" system March-14-12
Reviewer: The Image Doctor from Big D  
I looked a LONG time for amps designed specifically to plug an iPod into and nothing else. Unfortunately it seems those are all discontinued. So after chatting with Crutchfield reps several times, I finally settled on the Sound OrdnanceT M-4075 for the RCA INPUTS and the VARIABLE GAIN controls.  

Using a 12' mini-jack-to-RCA stereo cable, and two RCA splitters, I'm running my iPod directly into this amp. The REAR channel is running bridged into a Sound Ordnance B-12 Single 12" Vented Box in my trunk. The FRONT channels are running stereo into 6x9s (rear deck) and 5.25's (front kick panels) with the same L/R signal powering the front/rear speakers respectively. I have no front/rear fader control, but that's no big deal due to the way I have my speakers installed.  

This amp has all the adjustable controls I needed (gain, crossover, bass boost, etc.) and only took me a few minutes to dial in exactly what I wanted.  

My sub hits hard, the other speakers fill the cabin with sound, the system goes a LOT louder than I can stand (must mean I'm too old), and the amp barely even gets warm. What more can I say?  

Great amp for the money, though I did get mine on sale here for $110 or something like that.


 
Great Amp February-29-12
Reviewer: JasonB from Shreveport, LA  
Great amp!  I using the front channels to push two Kenwood 6x9s and the rear channel to push a single 10" Boss Audio Slim Sub at 240 watts bridged and this amp is doing great and sounding awesome.  The only ding against this amp is it is very large, but it's a small complaint on my part.


 
Good for the money! February-15-12
Reviewer: Frank H. from East Greenbush, NY  
Good amp for the money. Plenty of power, runs cool, stays clean at higher volumes. The only downside for me is the placement of the power and speaker terminals. They are angled slightly downward and this can make wiring a bit annoying.


View All Customer Reviews

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