Supersonic 4 Channel 2.4G Wireless Microphone System Description: This 4-Channel 2.4G wireless microphone system from Supersonic delivers clear, reliable audio with a range of up to 160 feet (line of sight), making it ideal for performances, events, and presentations. The transmitters operate on a 2.4G frequency range with a 20Hz-20KHz frequency response, 30mA current consumption, and 8dBm power output, powered by 3V from two AA batteries each. The receiver also runs on the 2.4G band with a 20Hz-20KHz response, featuring both mix and balance outputs at 250mA, powered by a 12V/500mAh supply. Complete with audio cable, DC power adapter, eight AA batteries, rubber rings, and a user manual, this system provides everything needed for easy setup and professional sound. Features: Range: Up to 160 FT (line of sight) Accessories: Audio Cable, DC Power Adapter, (8) 1.5V AA Battery, Rubber Rings, User Manual Specifications: Transmitter: Frequency Range: 2.4G Frequency Response: 20Hz-20KHz Current Consumption: 30mA Transmitter Power: 8dBm Power Supply: 3V (2pcs x 1.5V AA Batteries) Receiver: Frequency Range: 2.4G Frequency Response: 20Hz-20KHz Mix Output: 250mA Balance Output: 250mA Power Supply: 12V / 500mAh Product Information: Model Number: SC-909 UPC: 639131209091 Product Dimensions (in): 19.68L X 11.02W X 2.36H Item Weight (lbs): 3.2