Set up is quick and streamlined, eliminating the connection hassles found with other systems. Performance is rock solid, with 14-channel scanning and long transmission range. And common AA alkaline batteries provide long-lasting operation, plus fast change-out to keep the show rolling. From singers, speakers, and beatboxers to DJs, MCs, and beyond, the WL-30XLR makes it easy for everyone to embrace premium wireless microphone sound. Features Plug-and-play wireless system for a standard dynamic XLR microphone Premium audio performance with lightning-fast BOSS wireless technology Fast, two-step visual process for hassle-free set up Up to 11 hours of runtime with regular AA alkaline batteries Transmission range: 230 feet/70 meters (line-of-sight propagation)* Rock-solid wireless performance with 14-channel scanning Battery LED for checking available runtime Light and compact transmitter for comfortable handheld performance Receiver connects to an XLR mic input on a mixer, amplifier, audio interface, etc. Channel lock function for worry-free operation *The transmission range may vary due to local conditions. Specifications (RECEIVER) Wireless Format: BOSS proprietary digital audio format Wireless carrier frequency: 2.4 GHz Compatible Channels: 14 (May vary due to local conditions) Transmission Range: 230 feet line-of-sight (May vary due to local conditions) Latency: 2.3 ms Dynamic Range: 110 dB or greater Frequency Response: 20 Hz--20 kHz Nominal Output Level: -40 dBu Non Clip Maximum Output level (1 kHz, typ.): 0 dBu Output Impedance: 600 ohm Recommended Load Impedance: 10 k ohms or greater Controls: POWER button; CH button; SCAN button Display: 7 segments, 2 characters (LED) Indicators: POWER; RECEIVE Connectors: Output plug: XLR type Power Supply: Alkaline battery (AA, LR6) x 1 Current Draw: 130 mA Expected battery life under continuous use: Alkaline battery (AA, LR6): Approximately 11 hours * These figures will vary depending on the actual conditions of use. Accessories: Owner's Manual; Leaflet USING THE UNIT SAFELY; Transmitter; Alkaline battery (AA, LR6) x 1 Width: 23 mm; 15/16 inches Depth: 27 mm; 1-1/16 inches Height: 99 mm; 3-15/16 inches Weight (including battery): 90 g; 3 oz TRANSMITTER (WL-30XLRT) Nominal Output Level: -40 dBu (4 k ohms) Non Clip Maximum Output level (1 kHz, typ.): 0 dBu Controls: POWER button; CH button Display: 7 segments, 2 characters (LED) Indicators: POWER Connectors: Input plug: XLR type Power Supply: Alkaline battery (AA, LR6) x 1 Current Draw: 120 mA Expected battery life under continuous use: Alkaline battery (AA, LR6): Approximately 14 hours. * These figures will vary depending on the actual conditions of use. Width: 23 mm; 15/16 inches Depth: 27 mm; 1-1/16 inches Height: 99 mm; 3-15/16 inches Weight: 90 g; 3 oz Watch: BOSS WL-30XLR - Wireless System for microphone