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SK-M4004D | 400 Watt 4-Channel Car Amplifier

  • 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*

    • Compact "Mini" Class D Full-Range Four Channel Car Amplifier
    • The compact design of this amplifier series allows for maximum versatility
    • RMS Power at 2 Ohms: 140 Watts x 4 Channels (14.4v)
    • RMS Power at 4 Ohms: 100 Watts x 4 Channels (14.4v)
    • RMS Power at 4 Ohms (Bridged): 270 Watts x 2 Channels (14.4v)
    • Frequency Response: 10Hz - 40kHz
    • Working Voltage: 8.5V - 16V
    • Signal-to-Noise Ratio (Sensitivity): 85dB
    • Efficiency at 4 Ohms: 86%
    • Damping Factor: 100<
    • Low Level Input (Gain): 8V - 0.2mV
    • Hi-Level Input Connections: Yes
    • Speaker Output Adapter Connection: Yes
    • Crossover Control: HPF / Full-Range / LPF
    • 4-Way Protection Circuitry Built-in (Thermal, Voltage, Speaker, DC)
    • LED Power & Protection Indicators
    • Fuse Rating: 40 Amps
    • 8 Gauge Power and Ground Input Terminals
    • Dimensions: 7.9" (Length) x 4.6" (Width) x 1.7" (Height)

    Channel 1/2 Crossover

    • High-Pass Filter / Full-Range / Low-Pass Filter
    • Variable Crossover Frequency Range: 50Hz - 500Hz

    Channel 3/4 Crossover

    • High-Pass Filter / Full-Range / Low-Pass Filter
    • Variable Crossover Frequency Range: 50Hz - 500Hz

    Click Here to Download the SK-M Amplifier Manual

  • Customer submitted photo gallery coming soon..

  • Product videos coming soon..

 

Customer Reviews

Based on 61 reviews
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(59)
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B
B.F.o.i.@.
Awesome!

Absolutely fantastic little amp, so much power for its compact size. If youre debating on buying this amp, quit debating and buy it asap. You wont regret it

J
J.W.
SK-M4004D Awesome!

I love this little amplifier. It really woke up my JBL mids and highs. Power is great and so is sound quality. It runs pretty warm but nothing really to worry about. You won't be disappointed.

J
J.F.
LOUD AND CLEAN

To be honest I can't tell the difference between this and a class A/B this thing has a extremely wide frequency range from 10 hz all the way up to 41000! This amplifier is extremely clean at low and very high volume level's! Even using the high level inputs! 🥴🥴 Good little amp!

M
M.R.
Great motorcycle amps!!!

I have 2 mini amps running 6 - SKAR 6.5’s and 1 -10 inch sub. My system is super clean and clear! Both amps fit under my front fairing. Can’t wait to install a system in my son’s Charger.

C
C.g.
Powerful and in a tiny package

Running my 6.5 and 5.25 components with no problem at 4x 4ohms. I had to even back off gains a bunch. Fits in the location I need it to fit and works great. Keep in mind I am only running it 4 ohms and this thing gets hot fast

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