Marinavox high quality marine audio for spas and hot tubs.
Marinavox are best know for the subwoofer, The Spa Bullet.
Hot Tub Subwoofer. Has also been used by many manufacturers. This is the standard version, without Bluetooth.
Hot Tub Subwoofer for Hotspring Spas and Caldera Spas under part number 77165 Has also been used by other manufacturers. Will fit all BXTR bluetooth kit Hot Spring enabled spas. Also nown as The Bullet Subwoofer.Hotspring and Caldera 77165 CP-P80A150V4BBT