Description
DS18 RP-3.5K/Tit-1
The FRP‑3.5K is a high‑power Class D monoblock car amplifier designed to deliver strong, clean, and distortion‑free sound for subwoofers and full‑range systems. Built with a compact, rugged design and advanced digital circuitry, it’s stable from 1 Ω to 4 Ω, making it suitable for a variety of car audio setups. This amplifier produces massive power for deep bass and dynamic audio performance while offering built‑in protection systems and cooling fans for reliable long‑term operation. It also includes a wired remote level control and LED status indicators for easy tuning and monitoring.
Specifications
| Specification |
Details |
| RMS Power @ 4 Ω |
1000 W |
| RMS Power @ 2 Ω |
2000 W |
| RMS Power @ 1 Ω |
3500 W |
| MAX Power @ 1 Ω (Burst) |
4000 W |
Audio
| Specification |
Details |
| Frequency Response |
10 Hz – 20 kHz |
| Signal to Noise Ratio |
83 dB |
| Efficiency @ 4 Ω |
80.9% |
| Damping Factor |
90 |
| Input Impedance |
10 kΩ |
| Total Harmonic Distortion (THD) |
0.5% |
| Low Level Input Range |
400 mV – 3.6 V |
| High Level Input |
No |
| Selectable X-Over |
Fixed Band-Pass |
| X-Over Filter Range |
HP: 10 Hz – 2 kHz / LP: 40 Hz – 20 kHz |
| Bass Boost Range |
0–12 dB |
| Bass Boost Frequency |
50 Hz |
| Phase Selector |
No |
Features
| Feature |
Details |
| Amplifier Class |
Digital |
| Amplifier Type |
Full-Range Monoblock |
| Number of Channels |
1CH |
| Minimum Impedance |
1 Ω |
| LED Indicator |
Power / Protect / Clipping |
| Power Input Terminal Size |
0 GA |
| Fuse Size (Recommended) |
300 A |
| Remote Level Control |
Yes (Voltmeter optional) |
| Cooling Fan |
Yes (Smart Cooling × 2) |
| 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 |
Yes |
| Stable / Reliable Four Layers PCB Design |
Yes |
| Surface Mount Component Technology |
Yes |
| Quality Control Verification |
Yes, using Audio Precision Instruments |
| Tiffany RCA Terminal |
Yes |
| LED Clip Indicator |
Yes |
| Metal Knobs with Click Steps |
Yes |
| Remote Level Control with Clip Indicator |
Included |
| Remote Level Control with Clip Indicator and Voltmeter |
Optional |
Measurements
| Dimension |
Size |
| Overall Length |
10.2″ / 260 mm |
| Overall Width |
5.5″ / 140 mm |
| Overall Height |
2.36″ / 60 mm |
| Heatsink Length |
9″ / 228 mm |
| Gross Single Unit Weight |
2.64 kg |
Product Overview
DS18’s FRP-3.5K is the latest game-changer in car audio!
High efficiency micro digital design allows this compact amplifier to maximize its power output while minimizing its energy consumption. Its variable full crossover filters allow you to fine-tune your sound, for optimal performance tailored to your preferences. Depending on your Band-Pass Adjustments, this Full-Range Amplifier can be used for Bass, Mids, or Highs.
Built for the road, DS18’s FRP-3.5K features surface mount component technology and Reliable Four Layer Trace PCB Design that enhances durability and performance. The protective coating on the PCB prevents moisture corrosion, while bonded components provide extra vibration protection. This means you can enjoy high-quality sound even in harsh conditions.
Equipped with power, protection, and clipping LED indicators: the FRP-3.5K provides real-time feedback on its status. You’ll have peace of mind knowing that it features short circuit thermal, DC offset, and high/low voltage protection to safeguard both your amplifier and your vehicle.
DS18’s FRP-3.5K outputs 1000W RMS @ 4-Ohm; 2000W RMS @ 2-Ohm; 3500W RMS @ 1-Ohm; and 4000W RMS @ 1-Ohm (BURST) – perfect power settings to supercharge any vehicle.
Installation is a breeze thanks to the FRP-3.5K’s compact size and Tiffany RCA Terminals. Coming in three different colors (blue, titanium, or red) the FRP-3.5K will fit right into any system.
Upgrade with DS18’s FRP-3.5K and experience the DS18 Difference firsthand.
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