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Hertz

#DP 4.400

Hertz DP 4.400Audio Powerhouse

5.01 reviewSee all reviews

Hertz DIECI POWER amplifier DP 4.400 is an audio powerhouse designed to elevate your car audio experience to unprecedented heights.

Buyer confidence

88%

Highlights

  • High-Resolution Audio Certification: Hi-Res Audio certification featuring a frequency response of 10 Hz – 45 kHz.
  • Maximum Power in Compact Size: fully bridgeable 4-channel Class-AB 2Ω stable power outputs in a small and compact design.
  • Attractive Design: elegant status LED, solid machined terminal block and removable top panel to protect controls and connections.
  • Universal Compatibility: operating supply voltage from 9 to 16.5 V and speaker-in input sensitivity from 1.6 to 40 Vrms with integrated Universal Speaker Simulator.

Key specs

Full specs
Channels
4 - 3 - 2
Amp class
AB
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)

Key specs

Full specs
Channels
4 - 3 - 2
Amp class
AB
Nominal power supply voltage (fuse)
11 ÷ 15 VDC (2 x 25 A)
Operating power supply voltage
6.5 ÷ 16.5 VDC

Highlights

Overview
  • High-Resolution Audio Certification: Hi-Res Audio certification featuring a frequency response of 10 Hz – 45 kHz.
  • Maximum Power in Compact Size: fully bridgeable 4-channel Class-AB 2Ω stable power outputs in a small and compact design.
  • Attractive Design: elegant status LED, solid machined terminal block and removable top panel to protect controls and connections.
Overview
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 45 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 6.5 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.
Highlights

Key features

  • High-Resolution Audio Certification: Hi-Res Audio certification featuring a frequency response of 10 Hz – 45 kHz.
  • Maximum Power in Compact Size: fully bridgeable 4-channel Class-AB 2Ω stable power outputs in a small and compact design.
  • Attractive Design: elegant status LED, solid machined terminal block and removable top panel to protect controls and connections.
  • Universal Compatibility: operating supply voltage from 9 to 16.5 V and speaker-in input sensitivity from 1.6 to 40 Vrms with integrated Universal Speaker Simulator.
  • High-noise rejection: Pre-in and Speaker-in featuring balanced input circuitry.
  • Full set of controls: adjustable input levels, high/low-pass crossover filters (50-4000Hz 12dB/Oct.), and bass boost to fine-tune the sound according to your preferences.
  • Automatic Remote Turn-On/Off: driven by OEM radio speak
  • Full-Range pre-outs: available both when using Speaker-In and Pre-in level inputs.
  • Technology
Technologies
Technology

Technology

Hi-Res Audio certification featuring a frequency response of 10 Hz – 45 kHz.

Technology

Technology

Thanks to the built-in USS technology (Universal Speakers Simulator), DIECI POWER amplifiers can be correctly

Technology

Technology

Dieci Power amplifiers are ultra-compact to ensure effortless installations in the increasingly narrow spaces of

Specs

General Specs

18
Channels4 - 3 - 2
Amp classAB
Nominal power supply voltage (fuse)11 ÷ 15 VDC (2 x 25 A)
Operating power supply voltage6.5 ÷ 16.5 VDC
Idling current0.85 A
Standby current draw10 uA
Consumption, MIN load impedance (Max Musical Power)30 A
Remote IN4 ÷ 15 VDC (1.5 mA)
ART - Automatic Remote Turn on/off from SPK-IN (BTL radio only)1.5 VDC
Efficiency60%
Distortion - THD @ 100 Hz, 70% Rated Power0.01%
Damping factor @ 1 kHz, 1W130
Bandwidth @ -3 dB10Hz ÷ 45kHz
S/N ratio (A-weighted @ 1 V Input)101 dBA
@ 4 Ch:2 Ω
@ 3 Ch:2 Ω + 2 Ω + 4 Ω
@ 2 Ch:4 Ω
Adjustable Crossoversyes

Output Power

11
4Ch @ 4Ω75 W x 4
4Ch @ 2Ω105 W x 4
3Ch @ 4Ω75 W x 2 + 210 W x 1
3Ch @ 2Ω / 4Ω105 W x 2 + 210 W x 1
2Ch @ 4Ω210 W x 2
4Ch @ 4Ω90 W x 4
4Ch @ 2Ω125 W x 4
3Ch @ 4Ω90 W x 2 + 250 W x 1
3Ch @ 2Ω / 4Ω125 W x 2 + 250 W x 1
2Ch @ 4Ω250 W x 2
Total Power500 W

INPUTS / FILTERS

9
InputsPre-In / Speaker-In
Pre OutFull Range (Front)
Pre-In sensitivity0.32 ÷ 8 VRMS
Speaker-In sensitivity1.6 ÷ 40 VRMS
Front Ch Hi-PassFull / 50-4000Hz 12dB/Oct.
Front Ch Lo-PassFull / 50-4000Hz 12dB/Oct.
Rear Ch Hi-PassFull / 50-4000Hz 12dB/Oct.
Rear Ch Lo-PassFull / 50-4000Hz 12dB/Oct.
Bass Boost 50Hz0 ÷ 9 dB

Physical Specs

8
DP 4.400
Dimensionmm | in
A335 | 13.19
B297 | 11.69
C190 | 7.48
D166 | 6.53
E50 | 1.96
WeightKg | lbs
2.886.35
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