MaximalPower Radio Adapter RHF 617-1N 3.5mm

Paired with out custom Police Radio Adapters, the MaximalPower Radio Adapter converts electronic sound to mechanical sound with a in-line speaker and 3.5mm jack. Check your radio requirements, but most Motorola and other popular brands work well with this low cost, durable adapter.

  • 100% compatible with all original equipment manufacturer (OEM) parts
  • Fits two-way radios (audio only), radio speaker mics, remote mics, MP3 players, and other audio accessories with 3.5mm earphone jack; headset includes hearing protection and sound press certification
  • Reinforced earphone clip provides cable retention and eliminates strain on earphone.
  • Output level: 72dB, Rated input power: 0.1W, Maximum input power: 0.2W, Output impedance: 32 ohms.
  • Polyurethane jacketed, Heavy Duty Material, Superb Audio Quality, Rugged Design.


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After eight great years in our Capitola location, we're moving to Mid-Town! Our new location is in the Seabright neighborhood of Santa Cruz, near the Sutter Health Physical Therapy Center and Lilian's Italian Restaurant. Call us if you would like instructions.

Our New Santa Cruz Location:
The Listening Stack
1535 Seabright Ave. Ste. 100
Santa Cruz, CA 95062
(831) 498-9890

This will be our new address as of August 22, 2022 and is only for our Capitola location. Our Watsonville location is still at 1484 Freedom Blvd. Our phone number is still (831) 498-9890 so feel free to call us if you have any questions.