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 Bluetooth 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. Set consists of a speaker with amplifier and slave 2-Way Bass reflex speakers with crosssover network Using Bluetooth wireless technology for audio streaming Built-in stereo amplifier Aux in Supplied per set with mounting brackets, power adapter and cable You have a question about this product? Fill in this form, we'll answer your question as soon as possible.