Compatible with Bluetooth : The marine speakers has wireless music streaming capabilities and doubles as a sound-processing digital amplifier. Independent Digital Amplifier box can connect to all your favorite devices (such as smartphones, tablets and computers) , the coverage can reach 33ft. Superior Sound Quality: Our marine speakers have built-in high definition digital stereo effects and impressive enough bass effects. Each speaker can reach a maximum power of 60w, provide full-range audio specifically for a marine environment Weather Proof: Speakers can endure almost any weather conditions with splash-and-spray-resistant function. It is also engineered with heavy duty molded ABS plastic basket and grill construction to combat sun damage. Used for boats, marine watercraft, camper, RV, hot tub, bathroom, living room, a variety of outdoor off-road vehicles. Easy to Install: These marine speakers are easy to install with 6.5 inches standard size, complete wirings and mounting hardware. It has a universal standard size with a mounting depth of only 2.48” and cut-out size of 5.31”. Comes in Pair: Package includes A pair HMS-6005 speakers, amplifier box x 1Pcs, 3A12V adapter x 1Pcs, DC12V wires x 1Pcs,speakers wires x 2Pcs, screws x 8Pcs, Product Manual x1Pcs.