Hertz HMP1D – Compact 300W Mono D-Class Amp for UTV/ATV and Marine Use

Description

Hertz HMP1D – Durable 300W Mono D-Class Amplifier for Outdoor and Marine Applications

The Hertz HMP1D mono amplifier, with its ultra-compact IP64-rated cast-aluminum chassis, is built to withstand harsh environments, making it an ideal choice for UTV, ATV, motorcycle, and marine installations. This amplifier offers an exceptional power-to-size ratio and includes an integrated crossover filter for simplified setup. Featuring a balanced input circuit, it effectively rejects electromagnetic interference for clean, noise-free performance. The included Hertz Remote Control Bass Management (HRC BM) allows for precise volume adjustment right from the seat, ensuring user-friendly control.

Key Features

Weather-Resistant Design: IP64-rated for protection against water jets and corrosion.
Corrosion-Proof Components: Marine-grade, epoxy-coated PCB for durability in wet environments.
High Power-to-Size Ratio: Efficient D-Class circuit delivering up to 300W in a compact form.
Integrated Crossover System: Full flexibility with or without external processors.
Balanced Inputs: Reduces interference for clear, distortion-free sound.
Remote Volume Control: Included HRC BM allows easy volume adjustments.

General Specifications

Channels: 1
Power Supply Voltage / Fuse: 11 – 15 VDC / 1 x 15 A
Idling Current (Power ON/OFF): 1 A / 0.04 mA
Max Consumption (2Ω, 14.4 VDC): 15 A
Remote In: 4 – 15 VDC – 1 mA
Distortion (THD, 100 Hz @ 4Ω): 0.1%
Frequency Range: 10 – 500 Hz
Signal-to-Noise Ratio: 105 dB
Damping Factor (100 Hz @ 4Ω): 300
Dimensions: 223 x 100.5 x 43.6 mm (8.77 x 3.95 x 1.70 in)
Weight: 1.35 kg (2.97 lb)

Output Power Ratings

RMS @ 14.4 VDC, THD 1%:

150W x 1 (4Ω)
250W x 1 (2Ω)
RMS @ 14.4 VDC, THD 10%:

180W x 1 (4Ω)
300W x 1 (2Ω)

Inputs and Filters

Input Type: PRE IN
Filters:
Lo-Pass Filter: Adjustable from 65, 85, to 115 Hz @ 12 dB/Oct
Subsonic Filter (45 Hz): Off / 22 / 32 Hz @ 12 dB/Oct
Boost (50 Hz): Off / +6 / +9 dB