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Hertz

#DP 1.500

Hertz DP 1.500Mono Class-D Compact Car Audio Amplifier

4.65 reviewsSee all reviews

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 reviews

Compact, 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.

5 reviews4.6/5 averageUpdated Mar 15, 2026

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
Hertz DIECI POWER DP 1.500 Mono Class-D compact car audio amplifier is an audio powerhouse designed to elevate your car audio experience to unprecedented heights.

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.
Highlights

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

Technology

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

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

16
Channels1
Amp classD
Nominal power supply voltage (fuse)11 ÷ 15 VDC (1 x 30 A)
Operating power supply voltage6.5 ÷ 17.5 VDC
Idling current1 A
Standby current draw50 uA
Consumption, MIN load impedance (Max Musical Power)21 A
Remote IN4 ÷ 17 VDC (1 mA)
ART - Automatic Remote Turn on/off from SPK-IN (BTL radio only)1.5 VDC
Efficiency86%
Distortion - THD @ 100 Hz, 70% Rated Power0.2%
Damping factor @ 1 kHz, 1W180
Bandwidth @ -3 dB10Hz ÷ 500Hz
S/N ratio (A-weighted @ 1 V Input)99 dBA
@ 1 Ch:2 Ω
Adjustable Crossoversyes

Output Power

5
1Ch @ 4Ω280 W x 1
1Ch @ 2Ω500 W x 1
1Ch @ 4Ω350 W x 1
1Ch @ 2Ω590 W x 1
Total Power590 W

INPUTS / FILTERS

9
InputsPre-In / Speaker-In
Pre OutFull Range
Pre-In sensitivity0.32 ÷ 8 VRMS
Speaker-In sensitivity1.6 ÷ 40 VRMS
Lo-PassOFF / 50÷ 250Hz 24dB/Oct.
SubsonicOFF / 25 Hz @ 24 dB/Oct.
Phase0 / 180°
Bass Boost 50Hz0 ÷ 9 dB
SUB Remote Volume Control HRC 02-20 ÷ 6 dB

Physical Specs

8
DP 1.500
Dimensionmm | in
A190 | 7.48
B152 | 5.98
C190 | 7.48
D166 | 6.53
E50 | 1.96
WeightKg | lbs
1.623.57
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Support
Accessories
HRC 02

HRC 02

SKU: HRC 02

DP 1.500 level can be adjusted (-15 dB ÷ 0 dB) using the optional HRC 02 remote control. HRC 02 is ready for tape surface mounting, screw surface mounting, and recessed mounting, thanks to the provided accessories. Discover more on HRC 02 product page.