Christmas cut off: As the cut-off date has passed, Christmas delivery may not be guaranteed. Please select Express shipping for the best chance of delivery before Christmas.
Please be advised that our website will undergo maintenance at 5:00 PM. We expect to be back online by 7:00 PM. During this time, the website may not function at full capacity.
Christmas cut off: As the cut-off date has passed, Christmas delivery may not be guaranteed. Please select Express shipping for the best chance of delivery before Christmas.
Please be advised that our website will undergo maintenance at 5:00 PM. We expect to be back online by 7:00 PM. During this time, the website may not function at full capacity.
Currently Browsing
Hertz DP4.400 Dieci Power 4-Channel Car Amplifier
Hertz DP 4.400 1000W 4 Channel Amplifier
Unleash powerful sound with the Hertz DP 4.400 Amplifier. This compact 4-channel Class-AB amplifier delivers High-Resolution Audio with a wide 10 Hz–45 kHz frequency response for crystal-clear detail. Fully bridgeable and 2Ω stable, it packs serious performance in a sleek, space-saving design. Featuring universal compatibility (6.5–16.5V input), advanced controls, balanced Pre-in/Speaker-in inputs, and a smart Auto Turn-On/Off function, it’s built for both versatility and clean sound. With elegant styling and full-range pre-outs, the DP 4.400 is the perfect upgrade for premium car audio.
Features:- Hi-Res Audio Certified: Delivers exceptional clarity with a wide frequency response range of 10 Hz to 45 kHz, ensuring every detail of your music is heard.
- Compact Powerhouse: Fully bridgeable 4-channel Class-AB amplifier, 2Ω stable, delivering high output in a space-saving design.
- Sleek, Functional Design: Features an elegant status LED, solid machined terminal block, and a removable top panel to protect settings and connections.
- Wide Compatibility: Supports a broad voltage range (9 to 16.5V) and high input sensitivity (1.6 to 40 Vrms), with an integrated Universal Speaker Simulator for flexible installations.
- Noise-Free Performance: Equipped with balanced input circuitry on both Pre-in and Speaker-in for superior noise rejection.
- Comprehensive Sound Control: Includes adjustable input levels, high/low-pass crossover filters (50–4000Hz, 12dB/Oct), and bass boost for personalized audio tuning.
- Smart Power Management: Automatic remote turn-on/off triggered by OEM radio speaker outputs, making integration seamless.
- Flexible Output Options: Full-range pre-outs available whether using Speaker-In or Pre-In level inputs, supporting versatile system configurations.









