Model Number: SH-677UR-2 Key Specifications/Special Features: Inputs: 4 wired microphone inputs & 3 AUX inputsOutput: one Aux output & one 4-8Ω external speaker outputBuilt-in features:With U-disk/SD record functions which 1G can be recorded for 1000 minutes and 8G can be recorded for 8,000 minutes and so onAudio sound from wired microphone and wireless microphone and audio inputs can be recorded in the U disk and SD cardThe files in the U-disk can be recorded to SD card and the files in the SD can be recorded to U diskTwo wireless microphones (handheld, lapel mic or headset mic option) With USB/SD card slotsWith tripod stand jack DC 8.4V rechargeable battery charger.Built in one DC 12V-7AH rechargeable batteryRMS: 23 watts max
Speaker: one 4Ω full range
8" speaker & one 1.5" horn
T.H.D: <10%
Wireless service range: 35M max in VHF/80M max in UHF
Frequency channel: Dual wireless channels
Dimensions: 322 x 170 x 435mm
Gross weight: 7.2kgs