(4) MS40W White 4" Speakers + Marine Tower Enclosures + Bluetooth Amp

This bundle gives you everything for a tower-mounted marine audio system: four Rockville MS40W 4" white waterproof speakers, four white tower enclosures, and a Rockville PS40 4-channel Bluetooth amplifier. Each speaker handles 100W peak (25W RMS) with a polypropylene cone and 1" Mylar tweeter covering 122 Hz to 20 KHz. The speakers are IP56 rated and marinized against salt and fresh water.

The tower enclosures are built from weather-proof ABS with a white high-gloss finish, acoustic polyfill for clear sound, and 360-degree axis rotation for aiming. Included rubber inserts fit bar sizes from 7/8" to 1.5" (round and 1" square), so they cover most tower tube diameters. The PS40 amplifier is the hub of the system, delivering 85W RMS x 4 channels at 2 Ohms with built-in Bluetooth that auto-pairs to your phone. It is IP65 waterproof with silicone covers over the control panel and inputs, and it is small enough (7.56" x 3.66" x 2.07") to tuck into a tight spot on your boat. Independent crossover controls for each channel pair let you tune the sound to your liking. With speakers, enclosures, and a Bluetooth amp all in one purchase, you go straight from the box to music on the water.