The Hertz DIECI POWER DP 4.400 is an audio powerhouse designed to elevate your car audio experience to unprecedented heights. Boasting High-Resolution Audio Certification, it delivers an impressive frequency response of 10 Hz to 45 kHz, faithfully reproducing every nuance of your music with crystal-clear precision.

Despite its compact size, the DP 4.400 packs a punch with fully bridgeable 4-channel Class-AB amplification and 2Ω stability, providing potent audio performance without sacrificing space.

The amplifier features an elegant status LED, solid machined terminal block, and a removable top panel that safeguards controls and connections, contributing to a sleek, sophisticated design that integrates seamlessly into any car interior.

Universal compatibility is ensured with an operating supply voltage of 6.5–16.5 V and speaker-in input sensitivity from 1.6–40 Vrms. The integrated Universal Speaker Simulator enhances versatility for a wide range of audio sources.

High-noise rejection is achieved with balanced input circuitry for Pre-in and Speaker-in connections, ensuring clean, interference-free signal transmission. Adjustable input levels, high/low-pass crossover filters (50–4000Hz, 12dB/Oct.), and bass boost give full control over your audio tuning.

The Automatic Remote Turn-On/Off feature triggers seamlessly from OEM radio speaker outputs for convenience and efficient power management. Full-range pre-outs provide additional flexibility for system expansion.

Elevate your car audio system with the Hertz DIECI POWER DP 4.400 – where power, precision, and style converge for an unparalleled listening experience on the road.