FRP Compact 4-Channel Full-Range Class-D Amplifier | 1200W RMS
FRP Compact 4-Channel Full-Range Class-D Amplifier | 1200W RMS
Product Overview
Compact 4-Channel Full-Range Class-D Amplifier | 1200W RMS
FULL RANGE POWER IS BACK!
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.
Built for Versatility
Stable at 1 Ohm per channel or 2 Ohm bridged, the FRP-1.2K4 adapts to your build. With fully variable HPF, LPF, and full-pass crossover options, plus up to 12dB of bass boost at 50Hz, this amp gives you full control of your sound. The smart cooling fan and surface-mount tech ensure rock-solid performance on the go.
Compact Doesn’t Mean Compromise
Thanks to its digital Class D design and Tiffany RCA terminals, the FRP-1.2K4 stays efficient and clean while pushing up to 1200W RMS. Audio Precision-tested and built with protective coatings, it's ready for real-world abuse without skipping a beat.
Get DS18’s FRP-1.2K4 for clean full-range power in tight installs without wasting space.
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
Specifications
| 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 |
| 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 |
| 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 |
| 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 |





