Acoustic Audio AA152UB Powered 900 Watts 15" Bluetooth Speaker 2 Way USB MP3 and Stand AA152UB-PK1 Acoustic Audio AA152UB active 15" Bluetooth USB MP3 speaker, power rating is 900 watts system power, frequency response is 25Hz-20 kHz, efficiency is 101dB, 8ohm, 2-way design and functionality, deluxe 15" woofer with 2" tweeter, built in Bluetooth receiver Built in USB/SD card reader MP3 player, ported for added bass response, female XLR or 1/4" jack input for wired mic with level control, 3.5mm female XLR or RCA jack inputs for line level device with level control, male XLR line level output to daisy chain to another powered speaker High EQ, low EQ, MP3 and master controls, power and clip indicator lights, rugged cabinet with rear wheels and handles, adjustable pole mount for speaker stand, speaker size (H x W x D) is 27" x 16" x 14" Designed and engineered in the USA, power cable and full instructions included, one AS1 speaker stand with powder black coated steel, 4mm thick support bars, safety lock pin and rubber feet 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 and 1 speaker stand