RP-150.4AB | 1,000 Watt 4-Channel Car Amplifier

  • Skar Audio RP-150.4AB 1,000 Watt Class AB 4-Channel Car Amplifier - Front View

RP-150.4AB | 1,000 Watt 4-Channel Car Amplifier

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The Skar Audio RP-150.4AB is a powerful, efficient, and highly reliable four channel class a/b full-range car amplifier. Ideal for powering an entire aftermarket sound stage in a vehicle, this amplifier packs some serious punch with it's conservative RMS power rating of 250W x 4 channels. it packs the power that will allow you to get loud and let your speakers come alive. Featuring a high speed MOSFET power supply, premium grade internal components, as well as 4-way protection circuitry, the amplifier will operate at the highest levels of performance for hours on end safely.


With a depth of adjustable user controls such as the gain, lpf, hpf, crossover, and bass eq, this amplifier is extremely versatile and can be used in so many applications. These advanced user controls will allow you to dial your sound in exactly as you want for perfect clarity, whether running active components or speakers with in-line crossover networks. The class A/B circuitry design of this model allows it to amplify your audio signal with maximum clarity and sound excellence, all while being extremely efficient. Features large 4 gauge power and ground input terminal connections for maximum current flow. 

*Skar Audio always recommends professional installation for all of our products.*


*Never mount amplifiers directly on the enclosure*



  • Skar Audio RP-150.4AB Multichannel Amplifier
  • Class AB 4 Channel Amplifier
  • 4 Way Protection Circuitry: Thermal, Voltage, Speaker, DC
  • RMS Power @ 4 Ohms: 150 Watts x 4 Channels (14.4v)
  • RMS Power @ 2 Ohm: 250 Watts x 4 Channels (14.4v)
  • RMS Power @ 4 Ohms (Bridged): 500 Watts x 2 Channels (14.4v)
  • MOSFET Power Supply
  • Soft Turn on Circuit
  • Tri-Mode Capable / Bridgeable
  • Frequency Response: 20Hz~20kHz
  • Signal to Noise Ratio: 105 dB
  • Low Pass Filter (Variable): 50Hz~500Hz
  • High Pass Filter (Variable): 20Hz~5kHz
  • 4 Gauge Power and Ground Terminals
  • Working Voltage: 8.5V-14.4V
  • Fuse Rating: 120 Amp
  • Dimensions: 17.75" (Length) x 6.25" (Width) x 2.25" (Height)

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Customer Reviews

Based on 25 reviews
1000 watts not on its worst day

O scope verified 312 watts ch 1&2 and 700 watts if I bridge 3&4 sound is crystal clear on my infinity kappa components


Great amp with a good build quality ! I wish it would of come with a bass knob. Must purchase separately...


RP-150.4AB | 1,000 Watt 4-Channel Car Amplifier

Loved it

I have it on a 8 and 2 6.5s per door I've got the 75.4 to but I put that on my tweeters. I love it it is super clean and plenty of power.


I haven't gotten to hook it up yet but I can't wait if it's skar it won't let me down