Wide Open Sound · Curated gear
Hertz HMP Motorcycle Amplifier 4D
WOS Pick What this amp does in 10 seconds — expand for full specs.
- BrandHertz HMP
- SKU4D
Mei says"Match this amp to your speakers and sub. Wrong power or wiring = weak system — do it once, do it right."
The stuff you'll actually notice
Product description
Compact 4-channel powersports amplifier — 50 watts RMS x 4
Power breakdown
Inputs, filters & control
Build, wiring & install
Protection & performance
Full specifications
Amplifier
Power ratings
Inputs & filters
Wiring
Weather / environment
Support
Support & warranty
Need help choosing or installing?
We build indestructible, IP-rated systems for marine, motorcycle, UTV, and automotive. If you want a matched setup, we’ll guide you to the right gear the first time.
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