Skar Audio SK-M4004D Compact Full-Range Class D 4 Channel Car Amplifier, 400W

May 15, 2019 - Comment
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(as of June 14, 2019 14:18 GMT+0100 - Details)

The Skar Audio SK-M4004D is an ultra compact, “mini”, Class D full-range, four channel car speaker amplifier. 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 and cleaner installation. Further adding to the feature rich list of this amplifier are its high pass / full-range / and low pass user controls, as well as having 4-Way Protection Circuitry Built-in (Thermal, Voltage, Speaker, DC). Utilizes 8 Gauge Power and Ground Input Terminals. Amplifier’s dimensions: 7.9in x 4.6in x 1.7in (L x W x H). Frequency Response: 10Hz – 40kHz.

Product Features

  • Ultra Compact MOSFET Full-Range 4-Channel Class D Car Amplifier
  • RMS Power @ 2 Ohms: 140 Watts x 4 Channels (14.4v)
  • RMS Power @ 4 Ohms: 100 Watts x 4 Channels (14.4v)
  • Crossover Controls: HPF / Full-Range / LPF | Frequency Response: 10Hz – 40kHz
  • Hi-Level Input Connections: Yes | 8 Gauge Power and Ground Input Terminals


Anonymous says:

Five Stars Great little amp. Got it installed and it is a great amp.

Anonymous says:

Impressive! Sleek and a lot smaller than I assumed.2 speakers per channel wired in parallel, each speaker rated 50wRMSRunning 4 x 6.5″ 2-Way Focals, 2 x 4×6″ 2-Way MB Quartz, & 2 x 6×9″ 2-Way MB Quartz for a total of 8 speakers; well 16 if you include the tweeters, but who’s counting right?Loud and clear!

Anonymous says:

Bought Mar 2018. Broke September 2018. *EDIT 9/19/2018*–I have received a response from Skar support. Their answer was as follows: “”Thank you for reaching out to us concerning your SK-M4004D amplifier. Sadly, once you opened the unit to preform an inspection on it; you voided your warranty. However, not all hope is lost. Your unit can still be repaired at our authorized repair center.””–Out of the 6 screws on the back, none were marked as “warranty void if removed”. Nothing I…

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