The CAD Audio GXLVBBJ VHF Dual Channel 2 Bodypack Wireless Microphone - J Frequency Band is intended for live sound reinforcement. The system consists of two wireless bodypack transmitters and a two-channel VHF receiver station. The bodypack transmitters feature on, off, and mute functions to conserve battery life. They operate on one 9V battery and will last for more than 10 hours before requiring recharge or replacement. The bodypack system includes a WXGTR guitar cable and a WXHW headworn condenser microphone for a variety of wireless applications. The dual-channel receiver features a power button and LED indicators for power, radio signal, and audio signal. The back of the device includes a DC power jack, volume controls for channels A and B, balanced XLR connectors for channels A and B, and an unbalanced 1/4" connector for channel B. The top of the device features a recessed compact dipole antenna for improved reception of the VHF spectrum. Product Specifications: Receiver: Maximum Output Level: -6 dBV Output Impedance: 600 Ω Frequency Response: 50 to 18,000 Hz Frequency Band: VHF RF Sensitivity: -105 dBm Working Range: 350' (107 m) unobstructed Output Connectors: 2 x balanced XLR-Male 1 x unbalanced 1/4" Transmission Channels: J: 187.75 MHz / 205.75 MHz Bodypack Transmitter: Frequency Response: 50 to 18,000 Hz Dynamic Range: > 100 dBA Maximum Input Level: Microphone Input: -6 dBV Instrument Input: +10 dBV" Transmitter:RF Output: 10 mW Modulation: FM Power Requirements: 9 V battery alkaline or rechargeable Battery Life: > 10 hours (alkaline) Shipping Dimensions: 15.2 x 11 x 3" Shipping Weight: 3 lbs.