The Hertz DP 1.500 delivers strong, clear output and good efficiency in a very compact package—reviewers praise its power for subwoofers and suitability in hybrid vehicles.
Buyer confidence
81%Highlights
- Maximum Power in Compact Size : ADC (Advanced Class-D) 2Ω stable power output 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 6.5 to 17.5 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.
Key specs
Full specs- Channels
- 1
- Amp class
- D
- Nominal power supply voltage (fuse)
- 11 ÷ 15 VDC (1 x 30 A)
- Operating power supply voltage
- 6.5 ÷ 17.5 VDC
- Idling current
- 1 A
- Standby current draw
- 50 uA
- Consumption, MIN load impedance (Max Musical Power)
- 21 A
- Remote IN
- 4 ÷ 17 VDC (1 mA)
Key specs
Full specs- Channels
- 1
- Amp class
- D
- Nominal power supply voltage (fuse)
- 11 ÷ 15 VDC (1 x 30 A)
- Operating power supply voltage
- 6.5 ÷ 17.5 VDC
Highlights
Overview- Maximum Power in Compact Size : ADC (Advanced Class-D) 2Ω stable power output 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 6.5 to 17.5 V and speaker-in input sensitivity from 1.6 to 40 Vrms with integrated Universal Speaker Simulator.
Review highlights
Based on customer reviewsCompact, punchy amplifier with hybrid-ready design
The Hertz DP 1.500 delivers strong, clear output and good efficiency in a very compact package—reviewers praise its power for subwoofers and suitability in hybrid vehicles.
What buyers praise
- Surprisingly high output for a small amplifier
- Very compact — fits tight installations
What to watch for
- Verify vehicle compatibility — reviewers mention a hybrid-ready design
Overview
Despite its compact size, the DP 1.500 packs a punch with its maximum power output, featuring ADC (Advanced Class-D) 2Ω stable power output in a small and compact design. 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 1.500, offering an operating supply voltage ranging from 6.5 to 17.5 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, low-pass crossover filters (50 ÷ 250 Hz @ 24 dB/Oct.), subsonic filter (25 Hz @ 24 dB/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.
The optional HRC 02 Remote Control Ready provides the ability to tune the subwoofer level for any preference.
Whether utilizing Speaker-In or Pre-In level inputs, the DP 1.500 offers full-range pre-outs, providing further flexibility in system configuration. Elevate your car audio system with the Hertz DIECI POWER Amplifier DP 1.500 – where power, precision, and style converge for an unparalleled listening experience on the road.
Key features
- Maximum Power in Compact Size : ADC (Advanced Class-D) 2Ω stable power output 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 6.5 to 17.5 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 speaker outputs.
- Full-Range pre-outs : available both when using Speaker-In and Pre-in level inputs.
- HRC 02 Remote Control Ready : provides the ability to tune the subwoofer level for any preference.
- Technology
Technologies

Technology
ADC (Advanced Class-D) 2Ω stable power output in a small and compact design for maximum power in a compact size.

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

Technology
DIECI POWER amplifiers are ultra-compact to ensure effortless installations in the increasingly narrow spaces of
Specs
General Specs
| Channels | 1 |
| Amp class | D |
| Nominal power supply voltage (fuse) | 11 ÷ 15 VDC (1 x 30 A) |
| Operating power supply voltage | 6.5 ÷ 17.5 VDC |
| Idling current | 1 A |
| Standby current draw | 50 uA |
| Consumption, MIN load impedance (Max Musical Power) | 21 A |
| Remote IN | 4 ÷ 17 VDC (1 mA) |
| ART - Automatic Remote Turn on/off from SPK-IN (BTL radio only) | 1.5 VDC |
| Efficiency | 86% |
| Distortion - THD @ 100 Hz, 70% Rated Power | 0.2% |
| Damping factor @ 1 kHz, 1W | 180 |
| Bandwidth @ -3 dB | 10Hz ÷ 500Hz |
| S/N ratio (A-weighted @ 1 V Input) | 99 dBA |
| @ 1 Ch: | 2 Ω |
| Adjustable Crossovers | yes |
Output Power
| 1Ch @ 4Ω | 280 W x 1 |
| 1Ch @ 2Ω | 500 W x 1 |
| 1Ch @ 4Ω | 350 W x 1 |
| 1Ch @ 2Ω | 590 W x 1 |
| Total Power | 590 W |
INPUTS / FILTERS
| Inputs | Pre-In / Speaker-In |
| Pre Out | Full Range |
| Pre-In sensitivity | 0.32 ÷ 8 VRMS |
| Speaker-In sensitivity | 1.6 ÷ 40 VRMS |
| Lo-Pass | OFF / 50÷ 250Hz 24dB/Oct. |
| Subsonic | OFF / 25 Hz @ 24 dB/Oct. |
| Phase | 0 / 180° |
| Bass Boost 50Hz | 0 ÷ 9 dB |
| SUB Remote Volume Control HRC 02 | -20 ÷ 6 dB |
Physical Specs

| Dimension | mm | in |
| A | 190 | 7.48 |
| B | 152 | 5.98 |
| C | 190 | 7.48 |
| D | 166 | 6.53 |
| E | 50 | 1.96 |
| Weight | Kg | lbs |
| 1.62 | 3.57 |
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