DS18 FRP1.2k4 - FRP Compact 4-Channel Full-Range Class-D Amplifier | 1200W RMS

The FRP-1.2K4 delivers serious power for high-efficiency performance across your entire system: this compact 4-channel amp drives mids, highs, or subs with clarity and punch—all while staying cool under pressure.

• KEY FEATURES

  • RMS Power: 4 x 120W @ 4Ω, 4 x 200W @ 2Ω, 4 x 300W @ 1Ω
  • Bridged Power: 2 x 350W @ 4Ω | 2 x 500W @ 2Ω
  • Selectable HPF / LPF / Full crossover
  • Bass Boost: 0–12dB at 50Hz
  • Smart cooling fan + 4-layer PCB
  • Power, Protect, Clip LED indicators

  POWER

  RMS Power @ 4 ohms
  4 x 120W
  RMS Power @ 2 ohms
  4 x 200W
  RMS Power @ 1 ohm
  4 x 300W
  RMS Power @ 4 ohm Bridge
  2 x 350W
  RMS Power @ 2 ohm Bridge
  2 x 500W
  

  AUDIO

  Frequency Response
  10Hz-20KHz
  Signal to Noise Ratio
  90dB
  Efficiency @ 4ohm
  97%
  Damping Factor
  90
  Input Impedance
  10KΩ
  Channel Separation
  50dB
  Total Harmonic Distortion (THD)
  0.5%
  Low Level Input Range
  400mv-6V
  High Level Input
  No
  Selectable X-Over
  Yes, HPF/FULL/LPF
  X-Over Filter Range
  10Hz-2KHz
  Bass Boost Range
  0-12dB
  Bass Boost Frequency
  50Hz
  Phase Selector
  No
  

  FEATURES

  Amplifier Class
  Digital
  Amplifier Type
  Full-Range Multi-Channel
  Number of Channels
  4CH
  Minimum Impedance
  1ohm St / 2ohm Bridge
  Led Indicator
  Power / Protect / Clipping
  Power Input Terminal Size
  4GA
  Fuse Size (Recommended)
  140A
  Cooling Fan
  Yes (Smart Cooling x 1)
  Voltmeter
  No
  Thermal Protection
  Yes
  Over-Load Protection
  Yes
  DC Output Protection
  Yes
  Short Circuit Output Protection
  Yes
  Voltage Input Protection
  Yes
  Clipping Protection
  Yes
  Body Color / Finish
  Blue / Red / Titanium
  Compact Size to Easy Installation for Any Applications
  Yes
  Stable/Reliable Four Layers Traces PCB Design
  Yes
  Surface Mount Component Technology
  Yes
  Quality Control Verification using Audio Precision Instruments
  Yes
  Tiffany RCA Terminal
  Yes
  LED Clip Indicator
  Yes
  Metal Knobs with Click Steps
  Yes
  Input Selector
  Yes (2ch/4ch)
  Remote Level Control with Clip Indicator
  No
  Remote Level Control with Clip Indicator and Voltmeter
  No
  

  MEASUREMENT

  Overall Length
  7.2" / 183mm
  Overall Width
  5.5" / 140mm
  Overall Height
  2.4" / 63.5mm
  Heatsink Length
  6" / 152mm
  Gross Single Unit Weight
  1.6Kg