Baretone MAX15NB / MAX-15NB 15″ Portable Speaker Bluetooth with Two UHF Wireless Microphone (MCMC)

15″ Portable Active Speaker Box With Battery 3-Way Professional Portable System With 2pcs Wireless Microphone 800W Amplifier Output   Specifications： •Woofer Magnet : 40oz(140mm) •Voice Coil : 1.5”KSV (38mm) •Frequency Response : 50Hz – 1.5KHz •Sensitivity : 93dB ( /-3dB) •Mid Magnet : 10oz(80mm) •Voice Coil : 1”KSV (25mm) •Frequency Response : 70Hz – 7KHz •Sensitivity : 86dB ( /-3dB) •Tweeter : 25mm Driver •Voltage : AC100-240 V /60-50 Hz UNIVERSAL •DC12V or rechargeable battery 12AH