Fully weatherproof, rechargeable battery-powered Bluetooth PA speaker with a large 15” woofer delivering 1,500 watts of peak power. The GSW-T1500PK features a simple front-facing control panel for easy adjustment. The IPX4 rating allows the speaker to be used safely outdoors, even when it is raining! Bass Boost mode boosts the bass for even more sound. Can link to a second GSW-T1500PK via TWS Bluetooth linking for expanded sound. The built-in media player allows for Bluetooth, USB, and FM radio playback.