These waterproof music speakers with built-in amplifier feature a 2-way bass reflex speaker system with a 5,25” long throw woofer and a silk dome tweeter. Easily adjust the speaker’s volume level from your phone, tablet or other BT enabled device. The BGB series is IPX5 rated for outdoor and marine and applications. Grilles and brackets are constructed from rust-proof material and the housing is made of durable ABS material. Ideal for pubs, hotels, clubs, terraces, churches, schools, theatres, etc.