Product information Hertz DP 4.300 - 4-channel amplifier 

The Hertz DIECI POWER amplifier DP 4.300 is an audio powerhouse that takes your in-car audio experience to an unprecedented level.
This amplifier has High-Resolution Audio certification and offers an impressive frequency response of 10 Hz to 45 kHz, so every nuance of your music is reproduced faithfully and with crystal-clear precision.
Despite its compact size, the DP 4.300 has a lot to offer with its maximum output power and features fully bridgeable 4-channel Class AB amplification and 2Ω stability.
This innovative design enables powerful audio performance without sacrificing space, making it the ideal choice for those seeking uncompromising sound in limited spaces.
The amplifier's aesthetics are as impressive as its performance.
A stylish status LED, a solid machined terminal block and a removable top cover protecting controls and connectors contribute to a sleek and sophisticated design that blends seamlessly into any car interior.
Universal compatibility is a key feature of the DP 4.300, which offers an operating supply voltage of 6.5 to 16.5 V and a speaker input sensitivity of 1.6 to 40 Vrms.
The integrated Universal Speaker Simulator enhances versatility and ensures optimal performance with a wide range of audio sources.
Experience noise cancellation with the balanced input circuitry of the Pre-In and Speaker-In, which enables clean and interference-free signal transmission.
The full set of controls, including adjustable input levels, high/low pass crossover (50-4000 Hz 12 dB/oct) and bass boost, gives users the flexibility to fine-tune the sound to their liking.
Convenience meets intelligence with the automatic remote power on/off feature that is seamlessly triggered by OEM radio speaker outputs.
This ensures trouble-free operation and an efficient power management system.
Whether you use speaker-in or pre-in level inputs, the DP 4.300 offers full-range pre-outs, providing further flexibility in system configuration.
Expand your car audio system with the Hertz DIECI POWER amplifier DP 4.300 - here power, precision and style come together for an unparalleled listening experience on the go.

Power supply

• Nominal supply voltage (fuse) 11 ÷ 15 VDC (2 x 20 A)
• Operating supply voltage 6.5 ÷ 16.5 VDC
• No-load current 0.8 A
• Standby current consumption 5 uA
• Consumption, MIN load impedance (max. music power) 24 A
• Remote IN 4 ÷ 15 VDC (1.5 mA)
• ART - Automatic remote on/off via SPK-IN (BTL radio only) 1.5 VDC
• Efficiency 59%
• AMPLIFIER STAGE
• Distortion - THD @ 100 Hz, 70% rated power 0.015%
• Damping factor @ 1 kHz, 1 W 105
• Bandwidth @ -3 dB 10 Hz ÷ 45 kHz
• S/N ratio (A-weighted at 1 V input) 100 dBA
• Minimum load impedance
• @ 4 Ch: 2 Ω
• @ 3 Ch: 2 Ω + 2 Ω + 4 Ω
• @ 2 Ch: 4 Ω

Adjustable crossovers yes

• Output power (RMS) @ 1% THD:    
• 4Ch @ 4Ω 60 W x 4
• 4Ch @ 2Ω 85 W x 4
• 3Ch @ 4Ω 60 W x 2 + 170 W x 1
• 3Ch @ 2Ω / 4Ω 85 W x 2 + 170 W x 1
• 2Ch @ 4Ω 170 W x 2
• Output Power (RMS) @ 14.4 VDC, THD 10%:    
• 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
• Total Power 840 W

Input

• 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 channel Hi-Pass Full / 50-4000Hz 12dB/Oct.
• Front channel Lo-Pass Full / 50-4000Hz 12dB/Oct.
• Rear channel Hi-Pass Full / 50-4000Hz 12dB/Oct.
• Rear channel Low-Pass Full / 50-4000Hz 12dB/Oct.
• Bass boost 50Hz 0 ÷ 9 dB