DS18 FRP-2.5K5/BL 5-Channel Class D Amplifier 2800W

Power Your Entire System from One Amp — DS18 FRP-2.5K5/BL 5-Channel Class D Amplifier

Stop juggling multiple amplifiers. The DS18 FRP-2.5K5/BL is a compact 5-channel Class D amplifier that delivers 2800W MAX — enough to power your full-range speakers and your subwoofer from a single, clean installation. Whether you're building a complete system from scratch or upgrading an existing setup, the FRP-2.5K5 gives you the headroom, flexibility, and protection features to do it right.

Key Features

• 2800W MAX / Full-Range 5-Channel Output: Powers four full-range channels plus a dedicated high-output subwoofer channel from one compact unit.
• 1200W RMS Subwoofer Channel @ 1 Ohm: Massive sub output for deep, authoritative bass — stable down to 1 ohm for maximum power delivery.
• 250W x 4 RMS @ 4 Ohms: Clean, full-range power for your door speakers, tweeters, or component sets.
• Bridgeable to 550W x 2 @ 4 Ohms: Bridge the four full-range channels for even more power flexibility in your build.
• Class D Efficiency: 92% efficiency at 4 ohms means less heat, less current draw, and more reliable long-term performance.
• Smart Cooling System: Thermal protection keeps the amp running cool under heavy load without a cooling fan.
• LED Clip Indicator: Real-time clipping feedback so you can dial in your gain structure and protect your speakers.
• Remote Level Control with Clip Indicator Included: Adjust subwoofer level from the driver's seat.
• Selectable Crossover: HPF (10Hz–2kHz) on full-range channels, LPF (10Hz–250Hz) on the sub channel.
• Bass Boost: 0–18dB @ 50Hz on the subwoofer channel only.
• Infrasonic Filter: 10Hz–55Hz to protect your subwoofer from damaging low-frequency content.
• Quality Control Verified: Each unit tested with Audio Precision instruments before leaving the factory.
• Blue Finish (BL): Also available in Red (RD) and Titanium (TI).

Power Specifications

• RMS @ 4 Ohm: 250W x 4 (CH1–CH4) + 500W (SUB)
• RMS @ 2 Ohm: 325W x 4 (CH1–CH4) + 800W (SUB)
• RMS @ 1 Ohm: 1200W (SUB)
• Bridged @ 4 Ohm: 550W x 2 (CH1–CH4)
• MAX Power: 2800W

Technical Specifications

• Amplifier Class: Class D (Digital)
• Channels: 5
• Frequency Response: 10Hz–20kHz (CH1–CH4) / 10Hz–250Hz (SUB)
• Signal to Noise Ratio: 90dB
• THD: 0.5%
• Damping Factor: 90 (CH1–CH4) / 250 (SUB)
• Input Impedance: 10KΩ
• Channel Separation: 50dB
• Low Level Input Range: 400mV–6V
• Power Input Terminal: 0 Gauge
• Recommended Fuse: 300A
• Dimensions: 14.5" L x 6.5" W x 2.4" H

Protections

• Thermal Protection
• Over-Load Protection
• DC Output Protection
• Short Circuit Output Protection
• Voltage Input Protection

Why the DS18 FRP-2.5K5?

This 5-channel amplifier is the centerpiece of a complete car audio build. One amp, one power run, one ground — and you've got clean power to every speaker in your vehicle. The compact footprint makes it easy to tuck under a seat or in a trunk build, and the Class D efficiency means it runs cool even when you're pushing it hard.

Professional installation available at Best Auto Sound & Security in Central Texas. Contact us to schedule your build.