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Nature proof
Engineered and tested for the real environment of application (UV, salt-fog, vibrations, high/low temperature, thermal shock, dust).

Compact, cast-aluminum chassis
Compact, cast-aluminum chassis (IPX6 rated), making them the ideal choice for powersports/marine/motorcycle installations.

Bass Boost
Bass Boost adjustable via selector, for more punch from speakers.


Thanks to the ultra-compact cast-aluminium chassis (IP64 rated), the HMP 4D amplifier is nature-proof, being the ideal choice for UTV/ATV/motorcycle installations. It features an incredible power/size ratio and an easy setup thanks to the integrated crossover filter. The Front End section features a complete and bypassable crossover system, providing full system design flexibility with or without external processors, offering the user endless connection possibilities with any source. Inputs feature a special balanced circuitry, ensuring high rejection against electro-magnetic interferences, for noise-free results.

Additional Information

Manufacturer Hertz
Series No
# of Channels 4


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