350 Watts Full Wireless 6.5" Wakeboard/Marine Speaker System • Weather-proof woofer with long excursion driver; 10Oz Magnet; • 1” voice coil and 1" titanium dome tweeter • 350W Max Output Power • Heavy duty ABS construction complies with UV and salt-fog standard • Each Speaker has a built-in Class-D amplifier and rechargeable battery • Play music up to 6 hours once battery fully charged (4 hrs) • Quick connect speaker terminals • Frequency response: 55-20k Hz; impedance: 4 ohms • Bluetooth Profile: A2DP/AVRCP1.3/Audio Classic • 12V DC and 110V AC charging adaptors included • A remote control included for easy operation • Dimensions: 21.7x23x32cm / 8.5”x8.5”x9.1” (HxWxD)