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Skar Audio RP-1200.1D monoblock amplifier, black rectangular chassis with silver heatsink fins

Skar Audio

Skar Audio RP-1200.1D 1200W car amplifier

SKU CH-864M-1G3QJ

Monoblock Class D MOSFET amplifier delivering 1200 W RMS at 1 ohm with remote subwoofer level control and selectable bass EQ boost

  • TypeAmplifiers
  • 1,200 W RMS at 1 ohm drives demanding subwoofers
  • Class D MOSFET topology delivers high efficiency
  • 20 Hz – 250 Hz response covers deep bass
  • Selectable 45 Hz EQ boost adds +6 or +12 dB
  • Four-way protection circuitry safeguards the amplifier

Monoblock Class D Amplifier

The Skar Audio RP-1200.1D is a monoblock Class D MOSFET amplifier built for car audio systems that need strong, clean bass output. It delivers 1,200 watts RMS at 1 ohm and remains stable down to that load. A remote subwoofer level control is included for convenient adjustment from the driver seat.

Replaces Smaller Monoblock Amps

Upgrading from a lower-powered monoblock makes sense when your subwoofers demand more RMS current than the old unit can supply, or when the previous amp overheats under sustained output. The 1,600-watt peak rating and efficient heatsink design support longer high-output sessions without thermal shutdown.

Check Electrical System First

Verify that your alternator and battery can sustain the current draw at 1 ohm, and confirm 4-gauge power and ground wiring is already installed or planned. The amplifier requires a 12-volt supply and fits within a 16 by 6 by 2.5-inch footprint, so measure the available mounting space before ordering.

Highlights

  • 1,200 W RMS at 1 ohm drives demanding subwoofers
  • Class D MOSFET topology delivers high efficiency
  • 20 Hz – 250 Hz response covers deep bass
  • Selectable 45 Hz EQ boost adds +6 or +12 dB
  • Four-way protection circuitry safeguards the amplifier

Specifications

TypeAmplifiers

Questions about this item

How much space does the 16 x 6 x 2.5 inch chassis need for mounting and airflow?

The amplifier measures 16 inches long, 6 inches wide and 2.5 inches high, so allow at least that footprint plus clearance around the heatsink for proper cooling.

Which wiring steps on the 4-gauge power and ground terminals and the 1-ohm load are most often done incorrectly?

Use true 4-gauge cable for both power and ground, secure each terminal tightly, verify the subwoofer presents a 1-ohm load, and set the bass EQ switch before powering up.

When should the protection circuitry or the remote level control be checked or replaced?

Inspect the 4-way protection circuitry if the amp enters protect mode repeatedly, and replace the remote subwoofer level control if the knob becomes noisy or unresponsive.

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