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The Skar Audio SK-M4004D full range class D four channel amplifier is part of the new mini amplifier series product lineup from Skar Audio. The SK-M4004D was engineered to be compact, but provide the power and reliability expected out of larger amplifiers. Featuring a high speed MOSFET power supply, and an efficient Class D design, this amplifier is powerful, reliable, and extremely versatile.
The SK-M4004D makes for a great amplifier in applications where space is limited but power cannot be sacrificed. In addition, this four channel amplifier features high level input connections for those installations that lack an RCA connection. In addition to the high level inputs, this amplifier also utilizes an adapter harness for the speaker outputs allowing for an easier installation.
| RMS Power @ 2 Ω | 140W x 4 Ch (14.4v) |
| RMS Power @ 4 Ω | 100W x 4 Ch (14.4v) |
| Power & Ground Input Size | 8 Gauge |
| Preamp (RCA) and Speaker Level Inputs | Yes |
*Skar Audio always recommends professional installation for all of our products.*
*Never mount amplifiers directly on the enclosure*
Channel 1/2 Crossover
Channel 3/4 Crossover
Customer submitted photo gallery coming soon..
Product videos coming soon..
Its a decent amp but the first thing I noticed is that the gain pots are backward. They go from 0.2 to 8v and you would think that 8v is Max but that is not the case (at lest on mine?). Make sure you tune these amps with a sine wave tone generator, a multimeter, oscope, or an SMD DD1 to make sure you aren't clipping your signal.
For the price though its a decent amp and it fits basically anywhere. Good value for the money.
Skar, please consider changing the printed gain indicators to Min-Max to avoid confusion or at least ensure the pots attenuate in the proper direction. This was very confusing initially.
Photo: SK-M4004D is mounted on the right.
I was a little worried that these amps would be a little week. Installed 2 400w and one 500w today. Very happy and surprised. On top of that they shipped super super fast. Awsome product
Good good
I bought 2 of these to run my cab and bunk in my semi.
Plenty of power for sk65 components and a set of tx 5.25
Runs cool enough and the small size works well with my layout
fit my application well. Loud but not super clean. But good for price. Msnual is confusing. Says 80rms in manual but sold as 100rms... who knows whats correct.
