Standard Horizon

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30 W Dual Zone Loud Hailer - Now with adjustable backlight

  • 30W PA output
  • Dual zone output forward, aft, or all
  • Adjustable backlight
  • Noise canceling microphone
  • Easy push button control
  • Loud speaker audio
  • 2 Intercom Station capable with the MLS-300i intercom speaker
  • 3 Year Waterproof Warranty


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Standard Horizon USB-57B USB programming cable. 3.5 mm threaded connector connects to the audio accessory jack on top of the radio.



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Standard Horizon SU-1 Barometric pressure sensor unit

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Replacement microphone for Quantum GX6000 fixed mount.

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RAM4 wired remote station microphone (black)

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Standard Horizon VC-24 VOX headset was replaced by the SSM-64A. Compatible with all Standard Horizon handheld VHF marine radios except for the HX400IS. This headset is not IS rated.

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Earpiece microphone with in-line PTT for all Standard Horizon handhelds. Earpiece is similar to the Apple earbuds. Compatible with all Standard Horizon handhelds with the exception of the HX400IS. This earpiece is not IS rated.

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Standard Horizon SSM-17H mini speaker microphone with earphone jack - replaced the MH-57A4B. Compatible with all Standard Horizon handheld marine VHF radios.




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GPS smart antenna, made in Japan UPC: 788026149049

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Wireless base station unit for use with the Matrix AIS GX2400 and the Quantum GX6000. Enables use for the wireless RAM4W microphones.

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Standard Horizon SCH-11 microphone clip hangar bracket is designed to secure all handheld microphones to a bulkhead.


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Standard Horizon SBR-41LI 1750 mAh Li-Ion battery for HX280 and HX380. UPC: 788026176359 // COO: China





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