![Dual Pro B.O.S. (Battery Optimization System) - 12V - 3-Bank [BOS12V3] Brand_Speco Tech Installation hardware is (4) 1/4](https://cdn.shopify.com/s/files/1/0649/7717/4718/files/80777XL.jpg?v=1718255485)
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Installation hardware is (4) 1/4"-20 x 1-3/4" bolts and (4) 1/4"-20 nuts
Stand By/Auto for Autopilot control
Speakers that live in a marine environment have to be tough
AM/FM STEREO 10' EXTENSION CABLE KIT
Gauge: 1/0 AWG
Dual Pro B.O.S. (Battery Optimization System) - 12V - 3-Bank [BOS12V3] Brand_Speco Tech Installation hardware is (4) 1/4"-20B. O. S. (Battery Optimization System) 12V 3 Bank B. O. S. actively shuttles energy between batteries to keep the pack balanced, increasing battery strength and longevity. Batteries in a pack will become out of balance and the pack is only as good as its weakest link. In watercraft applications, this is further compounded when the trolling motor battery is used for peripherals and or to assist the cranking battery. B. O. S. actively shuttles energy as
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