About: Hertz DP 4.400 4 Channel Power Amplifier 125W RMS x 4

Hertz DIECI POWER amplifier DP 4.400 is an audio powerhouse designed to elevate your car audio experience to unprecedented heights. Boasting High-Resolution Audio Certification, this amplifier delivers an impressive frequency response of 10 Hz to 50 kHz, ensuring that every nuance of your music is faithfully reproduced with crystal-clear precision.

Despite its compact size, the DP 4.400 packs a punch with its maximum power output, featuring fully bridgeable 4-channel Class-AB amplification and 2Ω stability. This innovative design allows for a potent audio performance without sacrificing space, making it an ideal choice for those seeking uncompromised sound in a limited footprint.

The amplifier's aesthetics are as impressive as its performance. An elegant status LED, solid machined terminal block, and a removable top panel that safeguards controls and connections contribute to a sleek and sophisticated design that seamlessly integrates into any car interior.

Universal compatibility is a key feature of the DP 4.400, offering an operating supply voltage ranging from 9 to 16.5 V and speaker-in input sensitivity from 1.6 to 40 Vrms. The integrated Universal Speaker Simulator enhances versatility, ensuring optimal performance with a wide range of audio sources.

Experience high-noise rejection with the balanced input circuitry of the Pre-in and Speaker-in, allowing for clean and interference-free signal transmission. The full set of controls, including adjustable input levels, high/low-pass crossover filters (50-4000Hz 12dB/Oct.), and bass boost, provides users with the flexibility to fine-tune the audio to their preferences.

Convenience meets intelligence with the Automatic Remote Turn-On/Off feature, seamlessly triggered by OEM radio speaker outputs. This ensures hassle-free operation and an efficient power management system.

Whether utilizing Speaker-In or Pre-In level inputs, the DP 4.400 offers full-range pre-outs, providing further flexibility in system configuration. Elevate your car audio system with the Hertz DIECI POWER Amplifier DP 4.400 – where power, precision, and style converge for an unparalleled listening experience on the road.

Specifications:

• Channels 4 - 3 - 2

Power Supply:

• Nominal power supply voltage (fuse) 11 ÷ 15 VDC (2 x 25 A)
• Operating power supply voltage 6.5 ÷ 16.5 VDC
• Idling current 0.85 A
• Standby current draw 10 uA
• Consumption, MIN load impedance (Max Musical Power) 30 A
• Remote IN 4 ÷ 15 VDC (1.5 mA)
• ART - Automatic Remote Turn on/off from SPK-IN (BTL radio only) 1.5 VDC
• Efficiency 60%

Amplifier Stage

• Distortion - THD @ 100 Hz, 70% Rated Power 0.01%
• Damping factor @ 1 kHz, 1W 130
• Bandwidth @ -3 dB 10Hz ÷ 45kHz
• S/N ratio (A-weighted @ 1 V Input) 101 dBA
• Minimum load impedance @ 4 Ch : 2 Ω
• @ 3 Ch : 2 Ω + 2 Ω + 4 Ω
• @ 2 Ch : 4 Ω
• Adjustable Crossovers yes

Inputs/Filters

• Inputs Pre-In / Speaker-In
• Pre Out Full Range (Front)
• Pre-In sensitivity 0.32 ÷ 8 VRMS
• Speaker-In sensitivity 1.6 ÷ 40 VRMS
• Front Ch Hi-Pass Full / 50-4000Hz 12dB/Oct.
• Front Ch Lo-Pass Full / 50-4000Hz 12dB/Oct.
• Rear Ch Hi-Pass Full / 50-4000Hz 12dB/Oct.
• Rear Ch Lo-Pass Full / 50-4000Hz 12dB/Oct.
• Bass Boost 50Hz 0 ÷ 9 dB

Output Power

• Output power (RMS) @ 1% THD: 4Ch @ 4Ω : 75 W x 4
• 4Ch @ 2Ω : 105 W x 4
• 3Ch @ 4Ω : 75 W x 2 + 210 W x 1
• 3Ch @ 2Ω / 4Ω : 105 W x 2 + 210 W x 1
• 2Ch @ 4Ω : 210 W x 2
• Output Power (RMS) @ 14.4 VDC, THD 10%: 4Ch @ 4Ω : 90 W x 4
• 4Ch @ 2Ω : 125 W x 4
• 3Ch @ 4Ω : 90 W x 2 + 250 W x 1
• 3Ch @ 2Ω / 4Ω : 125 W x 2 + 250 W x 1
• 2Ch @ 4Ω : 250 W x 2
• Total Power 1000 W

Physical Specifications

• Weight Kg - 2.88
• lbs - 6.35