Hertz DP 4.400
4-channel amplifier
/piece
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Description
The DP 4.400 from Hertz is a powerful 4-channel amplifier that offers High-Resolution Audio certification. With a frequency response of 10 Hz to 50 kHz and a maximum output power, this compact device is impressive despite its size. The amplifier features fully bridgeable Class AB amplification and is stable at two Ω. It also offers universal compatibility with an operating supply voltage of 9 to 16.5 V and a high input sensitivity. Convenient features such as "automatic on/off" and versatile adjustment options for bass boost and crossover make it the ideal choice for demanding car audio enthusiasts.
Features
- Channels 4 - 3 - 2
- Amplifier class AB
- Rated voltage of the power supply (fuse) 11 - 15 VDC (2 x 25 A)
- Operating voltage of the power supply 6.5 - 16.5 VDC
- No-load current 0.85 A
- Standby current consumption 10 uA
- Consumption, MIN load impedance (max. music power) 30 A
- Remote control IN 4 - 15 VDC (1.5 mA)
- ART - Automatic remote control switching SPK-IN on/off (BTL radio only)
- 1,5 VDC
- Efficiency 60 %
- Distortion - THD at 100 Hz, 70 % rated power 0.01 %
- Attenuation factor at 1 kHz, 1 W 130
- Bandwidth at -3 dB 10 Hz - 45 kHz
- Signal-to-noise ratio (A-weighted at 1 V input) 101 dBA
- Minimum load impedance
- with 4 channels: 2 Ω
- with 3 channels: 2 Ω + 2 Ω + 4 Ω
- @ 2 Ch: 4 Ω
- Adjustable crossovers yes
- Inputs Pre-amplifier input/speaker input
- Preamplifier output full range (front)
- Pre-in sensitivity 0.32 - 8 VRMS
- Speaker-in sensitivity 1.6 - 40 VRMS
- Front channel high-pass full / 50-4000 Hz 12 dB/oct.
- Front channel low-pass full / 50-4000 Hz 12 dB/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
Technical data
- 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
- 3 channels at 2 Ω/4 Ω 105 W x 2 + 210 W x 1
- 2 channels at 4 Ω 210 W x 2
- Output power (effective value) at 14.4 VDC, THD 10 %:
- 4 channels at 4 Ω 90 W x 4
- 4 channels at 2 Ω 125 W x 4
- 3 channels at 4 Ω 90 W x 2 + 250 W x 1
- 3 channels at 2 Ω/4 Ω 125 W x 2 + 250 W x 1
- 2 channels at 4 Ω 250 W x 2
- Total power 1000 W
