EcoXgear ExtremeTower Powersports Marine Waterproof Sealed 8-inch 2-Way – 1 Bluetooth Amplified Speaker + 1 Passive Speaker  300 WATTS PEAK OUTPUT – (100 RMS) power an 8-inch passive woofer and a 1.5-inch tweeter to be as loud as you like; Smooth detailed highs and rich mid-bass lows to cut through all the wind and roar; BLUETOOTH 5.0 – for long range reliable wireless connection to your smartphone. Built-in RGB LED lights and LEDcast controller (no separate LED controller needed) with ECOCAST music synch. ECOCAST: wirelessly connect to ECOXGEAR Soundbars, subwoofers, and speakers ( 100 max). 360° rotating speaker mount: includes tool and no tool mount option. Salt corrosion-resistant 316 stainless screws and Aluminum Alloy mounts. Clamp fits bar sizes from 1.5 inches to 3 inches diameter. Handles up to 100 watts RMS (250 watts peak power). Frequency response: 50-21,000 Hz. ECOCAST: wirelessly connect to ECOXGEAR Soundbars, subwoofers, and speakers ( 100 max). 360° rotating speaker mount: includes tool and no tool mount option. Salt corrosion-resistant 316 stainless screws and Aluminum Alloy mounts. Clamp fits bar sizes from 1.5 inches to 3 inches diameter. Handles up to 100 watts RMS (250 watts peak power). Frequency response: 50-21,000 Hz