Hertz Powersport HMP 1D

Hertz HMP 1D - Marine Monoblock Amplifier for UTV, ATV & Motorcycle

The Hertz HMP 1D is a 1-channel marine amplifier designed for powersports applications. Its die-cast aluminum housing with IPX64 rating reliably protects against water and dust. Ideal for UTV, ATV, and motorcycle setups, it delivers stable power at 4 Ω and 2 Ω, offers an integrated crossover, and comes with the HRC BM level remote for convenient control from the seat. Balanced inputs minimize interference – good for rough conditions.

Technical Highlights

• 1-channel Class-D Marine/Powersports amplifier
• Robust die-cast aluminum housing with IPX64 protection
• Integrated, adjustable crossover (low-pass) and subsonic
• Balanced inputs for electromagnetic interference suppression
• HRC BM remote control for level adjustment included
• ART (Automatic Remote Turn-On) for automatic on/off switching

Output Power

• RMS @ 14.4 V, 1% THD:
  • 1 x 150 W at 4 Ω
  • 1 x 250 W at 2 Ω
• RMS @ 14.4 V, 10% THD:
  • 1 x 180 W at 4 Ω
  • 1 x 300 W at 2 Ω
• Total RMS Power: 300 W
• Minimum Load Impedance: 2 Ω

Amplifier & Audio Performance

• Frequency Response: 10 – 500 Hz
• Total Harmonic Distortion (THD) @ 100 Hz, 4 Ω: 0.1%
• Signal-to-Noise Ratio (A-weighted @ 1 V): 105 dB
• Damping Factor @ 100 Hz, 4 Ω: 300
• Pre-in Input Sensitivity:
  • Low-Level: 0.2 – 5 V
  • High-Level: 0.8 – 20 V
• Adjustable Crossovers: yes

Power Supply

• Vehicle Electrical System: 11 – 15 V DC
• Fuse: 1 x 15 A
• Idle Current (On/Off): 1 A / 0.04 mA
• Current Draw @ 2 Ω, 14.4 V (musical, max.): 15 A
• Remote Input: 4 – 15 V DC, 1 mA
• ART: automatic remote on/off

Inputs & Filters

• Inputs: Pre-In
• Low-Pass Filter: 65 / 85 / 115 Hz, 12 dB/Oct.
• Subsonic Filter: Off / 22 / 32 / 45 Hz, 12 dB/Oct.
• Bass Boost @ 50 Hz: Off / +6 dB / +9 dB
• Volume Remote Control (HRC BM) included: Control Range -50 to +6 dB

Dimensions & Weight

• Maximum Outer Dimensions (W x D x H): 223 x 100.5 x 43.6 mm
• Weight: 1.35 kg
• Mounting Dimensions:
  • A: 223 mm
  • B: 207 mm
  • C: 100.5 mm
  • D: 76 mm
  • E: 43.6 mm

Installation & Compatibility

• Optimized for Powersports: UTV, ATV, motorcycles, and marine applications
• Compact housing for tight installation spaces
• Weather and splash-proof thanks to IPX64
• Balanced Inputs reduce interference in open vehicles

Scope of Delivery & Accessories

• Hertz HMP 1D Amplifier
• HRC BM (Hertz Remote Control – Bass Management) for stepless level control from the driver's seat
• Weatherproof connection accessories depending on the version

If you are looking for a robust monoblock for subwoofer or low-frequency applications that works reliably in powersports environments, the HMP 1D from Hertz delivers exactly the features and power reserves you need – available at Carhifi.shop.