Technical Pro Pvolt15bt 15 Bluetooth Speaker With Usb & Tf Card Reader Technical Pro PVOLT15BT powered Bluetooth speaker, 1500 watts, 8ohm, sensitivity is 95dB, frequency response is 40Hz - 20 KHz, 15'' woofer with 1" voice coil and 40 oz. magnet, piezo tweeter, built in LCD screen with playback controls, inputs are Bluetooth, USB flash drive, TF card and AUX 1/4'' microphone input with separate microphone volume control, 1/4'' guitar input with separate guitar volume control, RCA line in audio inputs and outputs, USB and TF card maximum size 16GB, plays .mp3, .wma and .wav files from USB drives and TF cards, records .mp3 files onto USB flash drive / SD card Bluetooth compatibility allows for wireless connection to any A2DP stereo Bluetooth device, Bluetooth range is 30 feet, microphone echo control, bass and treble controls, rugged perforated steel grill for extra protection, top carry handle, includes wheels and telescoping carry-on handle Pole mount, repeat function on USB / TF card inputs, compatible with AC and DC (12V), 23.5" H x 16.5" W x 12.5" D, designed and engineered in the USA Use for pro DJ speaker, pro PA speaker, pro karaoke speaker, live sound speaker, fixed installation speaker, studio monitor, home audio, this listing and price is for 1 Technical Pro powered speaker