Portable wireless PA speaker

The PAU2250 is a great pro-level portable yet expandable PA solution for groups, solo performers, pro keyboard or electronic drums sound system, conferences, houses of worship, karaoke and small to mid size clubs. Designed to also power an external speaker, like professional PA system which is a perfect match in sound and look to the PAU2250. Featuring a professional painted plywood cabinet, loaded with a premium 15" NEO woofer and 1.75" NEOcompression driver - 250 watts RMS amplifier - 4 channel detachable mixer (which can be taken out of the main unit if desired, and placed anywhere on stage using the included 15' mixer expansion cable and a mixer adaptor that fits any regular mic stand). Mic and speaker stands available if you want.. SPECIFICATION: 2-way vented box active Sensitivity: 100 dB @ 1W/1meter LF: 15" NEO cone driverwith 3" voice coil HF: NEO compression driver with 1.75" voice coil 7 band EQ control with frequency finder Signal/noise ratio: no less than 85 dB Frequency response: 40-20,000 Hz Connectors: XLR / Tape 3.5mm / RCA / USB-MP3 Protection: soft-start, compressor, high frequency Protection, overheat protection Build in the USB full speed (12Mbps) HOST control function Support the USB mass storage class, FAT16 and FAT32, VFAT(long file name), multi-partition up to 1 Support sample rates 8kHz, 16kHz, 32kHz, 11.025kHz, 22.05kHz, 44.1kHz, 12kHz, 24kHz and 48kHz Support bit rate 8 to 320 kbps and VBR(variable bit rate) except free format Frequency response: 20-20,000 Hz S/N Ratio: > 90 dB Distortion(at 1 kHz): <0.04% Power supply: 110VAC,60Hz / 230VAC,50Hz