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![Standard Horizon SU-1 Barometric Sensor f/HX471S [SU-1]](http://oceantechsupplies.com/cdn/shop/files/14934XL_{width}x.jpg?v=1727842295)
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![Standard Horizon Submersible Speaker Microphone [MH-73A4B]](http://oceantechsupplies.com/cdn/shop/files/33475XL_{width}x.jpg?v=1727842250)
Standard Horizon
Standard Horizon Submersible Speaker Microphone [MH-73A4B]
$55.95 USD
$69 USD
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![Standard Horizon USB AC Adapter [SAD-27B]](http://oceantechsupplies.com/cdn/shop/files/100838XL_{width}x.jpg?v=1727842288)
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![Standard Horizon USB-57B PC Programming Cable [USB-57B]](http://oceantechsupplies.com/cdn/shop/files/46696XL_{width}x.jpg?v=1727842186)
Standard Horizon
Standard Horizon USB-57B PC Programming Cable [USB-57B]
$27.95 USD
$30.33 USD
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![Standard Horizon VLH-3000A 30W Dual Zone PA/Loud Hailer/Fog w/Listen Back & 2 Optional Intercom Stations [VLH-3000A]](http://oceantechsupplies.com/cdn/shop/files/63676XL_{width}x.jpg?v=1727842385)
Standard Horizon
Standard Horizon VLH-3000A 30W Dual Zone PA/Loud Hailer/Fog w/Listen Back & 2 Optional Intercom Stations [VLH-3000A]
$308.95 USD
$349.99 USD
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