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DS18
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DS18 FRP-2.5K/TI FRP Compact Full-Range Class D 1-Channel Amplifier 2,500 Watts Rms @ 1-Ohm TITANIUM

Sale price $499.99 Regular price $549.99
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Key features

  • Amplifier channels: 1
  • RMS output at 4 ohms: 700.0 W
  • RMS output at 2 ohms: 1300 W
  • RMS output at 1 ohm: 2500 W


Description

Product Overview

The DS18 FRP-2.5K/TI is a compact, full-range Class D monoblock amplifier for installations where space is tight. It delivers 2,500W RMS at 1 ohm and is engineered to power DS18 FRP-2.5K installations.

Its titanium finish, moisture-protective PCB coating, and vibration-damped construction bring high-power mono output to a compact chassis.

Key Features & Benefits

  • Power across multiple loads: Rated at 700W RMS at 4 ohms, 1,300W RMS at 2 ohms, and 2,500W RMS at 1 ohm.
  • Compact build: The 8.85-inch-long chassis suits installations with limited space.
  • Cooling and protection: Two smart-cooling fans and multiple protection circuits support operation under demanding conditions.
  • Output adjustment: A remote level control and 0–12dB bass boost at 50Hz let you adjust output to your listening preference.
  • Installation flexibility: Tiffany RCA terminals and a 0GA power input terminal support the amplifier’s signal and power connections.

Technical Specifications

Specification Value
Brand and model DS18 FRP-2.5K/TI
Product type Compact full-range Class D amplifier
Channels 1CH (Monoblock)
RMS power @ 4 ohms 700W — Steady output into a 4Ω load keeps efficiency high while preserving clarity with lighter speaker loads.
RMS power @ 2 ohms 1300W — Higher current capability translates to more dynamic peak impact and midbass presence with a 2Ω setup.
RMS power @ 1 ohm 2500W — Maximum continuous power for demanding bass or full-range sections when a single channel drives a low-impedance load.
Max power @ 1 ohm (Burst) 2800W — Short-term power headroom to handle transient peaks without clipping.
Minimum impedance 1Ω — Capable of driving very low-impedance loads when paired with appropriate speakers.
Frequency response 10Hz–20kHz — Extends from rumbling lows to clean highs, suitable for full-range performance in a mono configuration.
Signal-to-noise ratio 83dB — Higher ratio reduces audible noise, contributing to clearer quiet passages in music.
Efficiency @ 4 ohms 85.6% — High efficiency minimizes heat under typical operating conditions, aiding performance in compact enclosures.
Damping factor 90 — Indicates good control of speaker motion, improving transient response and bass articulation.
Input impedance 10KΩ — Compatible with a wide range of source devices, helping preserve signal integrity.
Total harmonic distortion 0.5% — Low distortion contributes to cleaner output at high output levels.
Crossover Fixed Band-Pass; HP 10Hz–2kHz, LP 40Hz–20kHz — Provides defined bandwidth control to tailor the amp’s output for bass, mids, or highs within a fixed range.
Bass boost 0–12dB at 50Hz — Allows targeted bass emphasis to enhance low-end presence without overhang.
LED indicators Power / Protect / Clipping — Quick visual status of operation and protection states.
Remote level control Yes (Volmeter Optional) — Fine-tune output from the seat; Volmeter option adds voltage monitoring capability.
Cooling Smart Cooling x 2 — Dual fans manage thermal performance to sustain output during long sessions.
Protections Thermal, Over-Load, Short Circuit Output, DC Output Protection, Voltage Input Protection, Clipping Protection — Safeguards for the amplifier and vehicle electricals.
RCA terminals Tiffany RCA Terminals — Premium, low-resistance connections for reliable signal transfer.
Body color / finish Titanium (also blue and red options)
Power input terminal size 0GA
Fuse size 200A
Dimensions 8.85" L x 5.5" W x 2.36" H
Heatsink length 7.6"
Weight 2.1 kg
PCB / construction Protective coating to prevent moisture corrosion; bonded components for extra vibration protection.

Why Choose This Product?

The FRP-2.5K/TI combines a compact footprint with mono output rated up to 2,500W RMS at 1 ohm. Its full-range frequency response and fixed band-pass crossover support bass, midrange, or high-frequency output within the stated crossover ranges.

In a car audio build, it pairs with DS18 FRP-2.5K drivers. The titanium finish offers one of three listed color options for coordinating with your installation.

Installation & Compatibility Notes

Plan the speaker load to meet the amplifier’s 1Ω minimum impedance. Its 0GA power input terminal and 200A fuse rating are important considerations when planning the installation.

Check available mounting space against the 8.85" L x 5.5" W x 2.36" H dimensions and 7.6" heatsink length. Confirm that your speakers, source, and installation layout suit the amplifier’s connections and ratings.

Frequently Asked Questions

How much RMS power does the FRP-2.5K/TI produce?

It is rated for 700W RMS at 4 ohms, 1,300W RMS at 2 ohms, and 2,500W RMS at 1 ohm.

What is the amplifier’s minimum speaker impedance?

The minimum impedance is 1 ohm. Match the connected speaker load to this rating.

Can this amplifier handle full-range audio?

Its stated frequency response is 10Hz–20kHz. The fixed band-pass crossover has an HP range of 10Hz–2kHz and an LP range of 40Hz–20kHz.

What space should I allow for installation?

The amplifier measures 8.85" L x 5.5" W x 2.36" H, with a heatsink length of 7.6".

Does it include a remote level control?

Remote level control is listed as yes. The Volmeter is optional.

Explore More

Want to learn more about DS18? Explore our DS18 brand profile and shop at 12 Volt Outlet.