DETAILSSystem Features: UHF Band Microphone System Operation Range: Up to 160'+ ft. LED Digital Display Readout Screens Simple Setup & Hassle-Free Operation AF & RF Audio Transmission Signal Strength Indicators Independent & Adjustable Channel Volume Controls Selectable Frequency Range: Up to (8) Channels 1/4" Audio Output Jack What’s in the Box: Receiver Base (2) Beltpack Transmitter (2) Headset Microphone (2) Lavalier Microphone USB Power Cable Transmitter Transmitter Specs: RF Output: >10 dBm Modulation Type: FM Max Deviation: ± 40 KHz Spurious Emission: > 55 dBc Nominal Current Drain: < 40mA Receiver Specs: Signal / Noise Ratio: -105dB Border Upon Channel Rejection: >70dB T.H.D.: < 1% Audio Output Level: 0-300 mV Dimensions 6.8 x 5.3 x 1.7 in Power Supply: 110/220V (12-15V Power Adapter) What's In The BoxWhat’s in the Box: Receiver Base (2) Beltpack Transmitter (2) Headset Microphone (2) Lavalier Microphone USB Power Cable Transmitter MANUALS & DOWNLOADS PDWMU211 - Manuals