Technical Pro PVOLT15 Two Way PA DJ 15" Active 1500 Watt Speaker USB / SD Player Technical Pro PVOLT15 powered speaker, 1500 watts, 15'' woofer with 1" voice coil and 40oz. magnet, sensitivity is 95dB, 40Hz  20 KHz frequency response, 8ohm, piezo tweeter, built in LCD screen with playback controls Inputs are 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 is 16GB, plays .mp3, .wma and .wav files from USB drives and TF cards, records .mp3 files onto USB flash drive / SD card, 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, mixer with 1/4" jack outputs required when using two speakers 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