Model Number: SH-729-3 Key Specifications/Special Features: Input: 3 wired microphone inputs, microphone 3 has priority function, 1 balance input and 2 routes four RCA jacks for 2 aux inputsNew functions: with USB/SD record functions which 1GB can be recorded for 1,000 minutes and 8GB can be recorded for 8,000 minutes and moreAudio sound from wired microphone and wireless microphone and audio inputs can be recorded in the USB and SD cardThe files in the USB can be recorded to SD card and the files in the SD can be recorded to USBOutput: one 8Ω speaker output and one route two RCA jacks for one aux outputTwo wireless microphones (handheld, lapel mic or headset mic optional) 8.4V DC rechargeable battery chargerWith tripod stand jack

Built-in 12V DC-10Ah x 2pcs rechargeable batteries

Built-in DC to DC power boost (PWM circuit)

Built-in 30Hz low cut circuit RMS: 50W (maximum)

Frequency response range: 40Hz to 20kHz

Speaker: one 4Ω 10" woofer and one 6Ω 1" horn

THD: less than 1%

Wireless service range: 35m maximum in VHF/80m maximum in UHF

Frequency channel: dual channels

Dimensions: 410 x 320 x 610mm

Gross weight: 25.5kg