Acoustic Audio by Goldwood AA154UB Active 1400W 15" Bluetooth Battery Powered Speaker 2 Way With Wireless Mics Acoustic Audio AA154UB active 15&quot; Bluetooth USB MP3 battery powered speaker with wireless mics, power rating is 1400 watts system power, frequency response is 20Hz-20 kHz, efficiency is 108dB, 8ohm, 2-way design and functionality, deluxe 15&quot; woofer with 2&quot; tweeter Built in Bluetooth receiver, built in USB/SD card reader MP3 player, rechargeable battery with a charge time of 4 hours and lasts for 6 hours, ported for added bass response, two female XLR or 1/4&quot; jack input for wired mics with level control, 3.5mm media player input RCA jack inputs for line level device, RCA jack output to daisy chain to another powered speaker, two VHF wireless mics with level controls, master volume, bass, treble and echo controls, DC 12V raw wire inputs, 6.3A fuse Rugged cabinet with rear wheels, side handles and expandable top handle, adjustable pole mount for speaker stand, two removable mic holders, speaker size (H x W x D) is 27&quot; x 16.5&quot; x 13&quot;, designed and engineered in the USA, 9V battery for mics not included, power cable and full instructions included Use for professional DJ speaker, public announcement speaker, karaoke speaker, live sound speaker, fixed installation speaker, studio monitor, home audio, this listing and price is for 1 Acoustic Audio active speaker