Brand: Song Emperor Model: JY-820 Disclaimer: The following pictures taken in kind for the owner to prohibit unauthorized I Yunke screenshot theft, once discovered complaints in the end, thank combined features: Advanced battery portable outdoor speaker, fine workmanship, the Japanese original Mitsubishi M65831 digital reverb, with good reverb, three-way design, the 8-inch woofer * 2 +3 inch tweeter, penetrating power, exceptional sound quality, with dual microphones (a handheld microphone + one ear hanging microphones), the effective distance of 50 meters, built-in 5-amp battery 2 with USB / SD interface, with remote control performance Introduction 1. Built-in dual-band wireless microphone, a quartz oscillation circuit, frequency stability, strong anti-interference 2. Built-in high-capacity battery, can be used outdoors for about 4-6 hours. With an external battery connector. 3 built-in intelligent power supply system: Automatic detection of battery, auto charge. 4 built Mitsubishi digital chip with mix control, bass and treble control 5.4 channel cable inputs, 2 wireless microphone inputs 2 wired microphone input 2-way electric guitar input (not adjusted reverb) 6 with U disk interface, card reader, can be controlled through the panel U disk and card playing MP3 songs, with remote control. 7 three-way design, 3-inch tweeter, 8-inch woofer two exceptional sound quality 8 quality sheet metal box, with strap, reinforced handles, knobs, circuit boards, batteries, and other special reinforcement, easy to transport, mobile show. 9 Power supply: AC and DC Specifications Frequency response: 70Hz-18KHz Rated power: 400W THD: 115dB (1W/1M) Speaker Impedance: 8Ω Input Signal: Wired 100mV (300Ω) linear input 1.0V (1KΩ) using Power supply: DC DC: 12V 7Ah 2 only consumes Current: 3.5A (MAX) Cabinet Material: wood + iron box dimensions: 46 × 22 × 33 cm (length, width, height) Weight: 15Kg Color: Black Standard Configuration: Host: a handheld microphone: a pocket transmitter: a headset microphone: 1 Warranty Card: 1 Power cord: 1 Battery: 2 Consumer Protection business integrity! One year warranty! Please rest assured to buy! Note: battery, microphone are consumables, not a warranty, if needed contact with the restaurant purchase