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Car Audio
DS18
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DS18 FRP-3.5K/BL FRP Compact Full-Range Class D 1-Channel Amplifier 3,500 Watts Rms @ 1-Ohm BLUE

Sale price $599.99 Regular price $649.99
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Key features

  • Amplifier channels: 1
  • RMS output at 4 ohms: 1000.0 W
  • RMS output at 2 ohms: 2000 W
  • RMS output at 1 ohm: 3500 W


Description

Product Overview

Build a high-power car audio system in less space with the DS18 FRP-3.5K/BL compact full-range Class D monoblock amplifier. It delivers 3,500W RMS at 1Ω, with a fixed band-pass crossover and a blue finish.

Key Features & Benefits

  • High-power output: Choose from 1,000W RMS at 4Ω, 2,000W RMS at 2Ω, or 3,500W RMS at 1Ω to match your system’s speaker load.
  • Full-range response: Its 10Hz–20kHz frequency response supports bass, mids, and highs.
  • Built-in sound shaping: The fixed band-pass crossover and 0–12dB bass boost at 50Hz provide adjustment options for your system.
  • Included tuning remote: The remote level control has a clip indicator, helping you monitor signal clipping while tuning.
  • Cooling and protection: Dual smart cooling fans and multiple protection circuits support operation under demanding conditions.
  • Compact construction: Tiffany RCA terminals and a compact body suit installations where space is limited.

Technical Specifications

Specification Details
Model FRP-3.5K/BL
Amplifier type Digital Class D, full-range monoblock
Channels 1
RMS power 1,000W @ 4Ω; 2,000W @ 2Ω; 3,500W @ 1Ω
Burst power 4,000W @ 1Ω
Frequency response 10Hz–20kHz
THD 0.5%
SNR 83dB
Efficiency 80.9% at 4Ω
Crossover Fixed band-pass; HP 10Hz–2kHz; LP 40Hz–20kHz
Low-level input 400mV–3.6V
High-level input No selectable
Bass boost 0–12dB at 50Hz
Indicators Power, Protect, and Clipping LEDs
Protections Thermal, Over-Load, DC Output, Short Circuit Output, Voltage Input, and Clipping
Cooling Dual smart cooling fans
Construction Protective PCB coating against moisture; bonded components for vibration protection; four-layer trace PCB design; surface-mount components
Terminals Tiffany RCA terminals
Remote control Remote level control with clip indicator included; voltmeter option available
Body colors Blue, Red, or Titanium

Why Choose This Product?

The FRP-3.5K/BL combines a compact format with 3,500W RMS output at 1Ω. Its full-range response and fixed band-pass settings support system setups aimed at bass, mids, or highs. The listed efficiency is 80.9% at 4Ω, and the dual fans help manage cooling during use.

Moisture-resistant PCB coating, vibration-protected bonded components, and multiple protection functions address common demands of a vehicle installation.

Installation & Compatibility Notes

Match the amplifier’s supported 1Ω, 2Ω, or 4Ω power ratings to your speaker load and system design. The low-level input range is 400mV–3.6V; the high-level input is listed as “No selectable.” Check your system’s signal connections and available installation space before purchase.

Frequently Asked Questions

How much RMS power does the DS18 FRP-3.5K/BL produce?

It is rated at 1,000W RMS at 4Ω, 2,000W RMS at 2Ω, and 3,500W RMS at 1Ω. Its listed burst rating is 4,000W at 1Ω.

What crossover and bass adjustments does it offer?

It has a fixed band-pass crossover with HP settings from 10Hz–2kHz and LP settings from 40Hz–20kHz. Bass boost adjusts from 0–12dB at 50Hz.

Does the amplifier include a remote control?

Yes. A remote level control with a clip indicator is included. A voltmeter option is available.

What input connections are listed?

The amplifier has Tiffany RCA terminals and a low-level input range of 400mV–3.6V. The high-level input is listed as “No selectable.”

What protection and status features does it have?

Power, Protect, and Clipping LEDs indicate operating status. Listed protections include thermal, overload, DC output, short circuit output, voltage input, and clipping.

Explore More

Want to learn more about DS18? Explore our DS18 brand profile.