This Acoustic Audio by Goldwood active speaker is perfect for any event. Add virtually any sound source and Bluetooth, no other equipment needed. This speaker is perfect PA, musicians, DJ's, rental companies and many fixed installations including houses of worship, theaters, music halls, meeting rooms, amusement parks, hotels, stadiums, nightclubs and auditoriums. Acoustic Audio by Goldwood PRTY151 active 15 in. Bluetooth speaker with flashing LED woofer light display, rechargeable battery and wireless mic, 600-Watt system power, frequency response is 20Hz-20kHz, efficiency/sensitivity is 97dB, 8ohm impedance 2-way design and functionality, deluxe accordion edge 15 in. woofer with 2 in. tweeter, built in Bluetooth receiver, built in USB/TF card reader MP3 player with controls and remote, multi-color LED woofer display with ON/OFF switch Wireless microphone, built in rechargeable battery plays for 6 hours and charges in 4 hours, FM tuner, ported for added bass response, plug and play connections, 1/4 in. jack mic input, 3.5 mm AUX input, RCA line level outputs to link to another powered speaker Mic volume and echo control knobs, bass, treble and master volume control knobs, rugged cabinet with rear wheels and handles, adjustable pole mount for a speaker stand, speaker size is (H x L x W) 24 in. x 16 in. x 13.75 in., 25 foot 3.5mm to RCA cable included to link 2 speakers together Power cable, MP3 remote, wireless mic, linking cable and full instructions included, designed and engineered in the USA, use for DJ, PA, karaoke, live sound, fixed installation, studio monitor, home audio, this listing and price is for 1 Acoustic audio active speaker