DS18 G4000.5D 5-Channel Amplifier – 4000W Max

Unleash Full-System Power with the DS18 G4000.5D

The DS18 G4000.5D is a high-output 5-channel Class D amplifier engineered for audiophiles who demand clean, powerful sound across every speaker in their vehicle. Whether you're running a full front/rear stage or pairing a subwoofer to a dedicated mono channel, the G4000.5D delivers the headroom and clarity to make every drive an experience.

Why the G4000.5D?

• 5-Channel Versatility: Power your full speaker system — front, rear, and sub — from a single, compact amplifier. No need for multiple amps fighting for space.
• Class D Efficiency: Runs cool and draws less current than traditional Class AB designs, protecting your electrical system while maximizing output.
• 4000W Max Power: Massive headroom ensures your system stays clean and distortion-free even at high volumes.
• Built-In Crossovers: High-pass and low-pass filters let you dial in each channel precisely — no external crossover needed.
• Variable Bass Boost: Tune your sub channel for the exact punch and depth your build demands.
• Compact Chassis: Sleek, low-profile design fits under seats or in tight trunk builds without sacrificing power.

Specifications

• Channels: 5 (4 full range + 1 mono sub)
• Max Power: 4000W
• Class: D
• Impedance: 2Ω / 4Ω stable
• Frequency Response: 20Hz – 20kHz
• Signal-to-Noise Ratio: >90dB
• Built-In Crossover: HPF / LPF / Full Range
• Bass Boost: 0–12dB @ 45Hz
• Input Sensitivity: 200mV – 4V

What's in the Box

• DS18 G4000.5D 5-Channel Amplifier
• Mounting hardware
• Remote bass knob

Professional installation recommended. Ask us about our installation services.