Description
DS18 FRP-2.4K4/RD
The FRP‑2.4K4 is a high‑output 4‑channel Class D full‑range car audio amplifier designed for clean, powerful sound across all four channels. With efficient digital circuitry and a compact footprint, it delivers a total of 2400 W RMS while remaining stable down to 1 Ω per channel and up to 2 Ω when bridged. The amp features adjustable HPF, LPF, and full‑range crossovers, a bass boost control, and a smart cooling fan, giving you flexibility to power mids, highs, or even subs. Built‑in LED indicators and multiple protection systems ensure reliable, long‑lasting performance in demanding audio setups.
Specifications
| Specification | Value |
|---|---|
| RMS Power @ 4 ohms | 4 × 250W |
| RMS Power @ 2 ohms | 4 × 400W |
| RMS Power @ 1 ohm | 4 × 600W |
| RMS Power @ 4 ohm Bridge | 2 × 750W |
| RMS Power @ 2 ohm Bridge | 2 × 1000W |
Audio Specifications
| Specification | Value |
|---|---|
| Frequency Response | 10Hz – 20kHz |
| Signal to Noise Ratio | 90dB |
| Efficiency @ 4 ohm | 97% |
| Damping Factor | 90 |
| Input Impedance | 10kΩ |
| Channel Separation | 50dB |
| Total Harmonic Distortion (THD) | 0.5% |
| Low Level Input Range | 400mV – 6V |
| Selectable X-Over | HPF / FULL / LPF |
| X-Over Filter Range | 10Hz – 2kHz |
| Bass Boost Range | 0 – 12dB |
| Bass Boost Frequency | 50Hz |
Features
| Specification | Value |
|---|---|
| Amplifier Class | Digital |
| Amplifier Type | Full-Range Multi-Channel |
| Number of Channels | 4CH |
| Minimum Impedance | 1 ohm Stereo / 2 ohm Bridge |
| LED Indicator | Power / Protect / Clipping |
| Power Input Terminal Size | 0GA |
| Fuse Size (Recommended) | 240A |
| Cooling Fan | Yes (Smart Cooling × 1) |
| Thermal Protection | Yes |
| Over-Load Protection | Yes |
| DC Output Protection | Yes |
| Short Circuit Output Protection | Yes |
| Voltage Input Protection | Yes |
| Body Color / Finish | Blue / Red / Titanium |
| Tiffany RCA Terminal | Yes |
| Metal Knobs with Click Steps | Yes |
| Input Selector | Yes (2ch / 4ch) |
Measurements
| Measurement | Value |
|---|---|
| Overall Length | 10.3″ / 262mm |
| Overall Width | 5.5″ / 140mm |
| Overall Height | 2.4″ / 63.5mm |
| Heatsink Length | 9″ / 230mm |
| Gross Single Unit Weight | 5 lbs / 2.3kg |
Product Overview
Compact 4-Channel Full-Range Class-D Amplifier | 2400W RMS
FULL RANGE POWER IS BACK AND BETTER!
The FRP-2.4K4 doubles down on what we’ve built with the FRP-1.2K4—more power, more headroom, same compact footprint. This high-output 4-channel amp drives mids, highs, or subs with clean, efficient power that stays cool under pressure.
Built for Versatility
Stable at 1 Ohm per channel or 2 Ohm bridged, the FRP-2.4K4 adapts to your system with ease. Fully adjustable HPF, LPF, and full-range crossover options, plus up to 12dB of bass boost at 50Hz, give you complete control over your sound. Smart cooling fan and surface-mount tech keep performance solid, even at full tilt.
No Compromises
With a digital Class D layout and Tiffany-style RCA inputs, this amp delivers ultra-efficient output while keeping noise low. It pushes up to 2400W RMS without taking over your build space.
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