


DS18 FRP-5K Compact Full-Range Class D 1-Channel Monoblock Amplifier — 5,000W RMS @ 1-Ohm
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DS18 FRP-5K Compact Full-Range Class D 1-Channel Monoblock Amplifier — 5,000W RMS @ 1-Ohm
Product Overview
Description
Product Overview
The DS18 FRP-5K brings competition-grade monoblock power in a compact 12.2" chassis — a full-range Class D amplifier delivering 5,000W RMS at 1-Ohm (5,600W burst). Stable from 1 to 4 Ohms with a 10Hz–15kHz frequency response, smart cooling, and full protection circuitry (thermal, short circuit, DC offset, voltage). Remote level control with clip indicator included. Sold individually (each).
Key Features
- Full-Range Class D Monoblock Design
- 5,000W RMS @ 1-Ohm — 5,600W MAX (Burst)
- 1–4 Ohm Stable
- Compact 12.2" Chassis with Smart Cooling & LED Power/Protect/Clip Indicators
- Remote Level Control with Clip Indicator Included
Specifications
| RMS Power @ 4 ohms | 1500W |
| RMS Power @ 2 ohms | 2900W |
| RMS Power @ 1 ohm | 5000W |
| MAX Power @ 1 ohm (Burst) | 5600W |
| Channels | 1CH |
| Frequency Response | 10Hz–15kHz |
| Signal to Noise Ratio | 83dB |
| Efficiency @ 4ohm | 92% |
| Total Harmonic Distortion (THD) | 0.5% |
| Input Impedance | 10KΩ |
| Low Level Input Range | 400mV–3.6V |
| Crossover Filters | Fixed Band-Pass — HP: 10Hz–2kHz / LP: 40Hz–20kHz |
| Bass Boost Range | 0–12dB @ 50Hz |
| Amplifier Class | Digital |
| Minimum Impedance | 1 Ω |
| Power Terminal Size | 0GA |
| Fuse Size (Recommended) | 500A |
| Dimensions (L×W×H) | 12.2" × 5.5" × 2.36" |
| Heatsink Length | 11" |
| Weight | 3.3kg |
| LED Indicators | Power / Protect / Clipping |
| Protections | Thermal, Short Circuit, DC Offset, Voltage |
| Color Options | Titanium / Red / Blue |
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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
Please read our FAQs page to find out more.
RMS vs. MAX power — which number do I actually care about?
RMS is what your gear handles continuously; MAX is the short burst it can survive without complaint. Match your amplifier's RMS output to your speakers' RMS rating — sizing off the MAX number is how magic smoke gets released.
What does the IP65 rating on DS18 marine gear actually mean?
It's dust-tight and rated against low-pressure water jets from any direction — built for spray, rain, and the occasional wave over the bow, not for full submersion. If something's going somewhere it could sit underwater, that's a different conversation entirely.
How do I match an amplifier to my speakers without guessing?
Add up the RMS rating of everything the amp will power, and pick an amp whose RMS output (at your speakers' impedance — usually 4-ohm) lands close to that total. Undersized is thin sound; wildly oversized is a fast way to blow a voice coil.
Can I mix marine-grade gear into a standard car audio setup, or the reverse?
You can run marine-grade gear in a car — it's just over-built for that environment, no downside besides cost. Running non-weatherproof car audio gear in an open UTV or boat is the direction that causes problems.
What gauge wiring kit do I need?
It scales with your amp's power draw and the length of the run — DS18's OFC kits come in 4-gauge and 8-gauge for a reason. Undersized wiring on a high-draw system is a voltage-drop and heat problem waiting to happen; when in doubt, size up.

