The SVX series headworn model boasts excellent cost performance. The PGA31 headworn microphone uses a unidirectional electret condenser microphone and features an easy-to-wear wireframe. This wireless set is easy to handle and is perfect for speeches and performances. Specifications ■ System Configuration Contents ■ PGA31TQG Headworn Microphone ■ SVX1 Bodypack Transmitter ■ SVX4 Receiver ■ AC Adapter ■ AA Alkaline Batteries x 2 ■ Cable Clip ■ Windscreen x 2 ■ Channel Switching Tool ■ Channel Stickers ■ SVX1 Transmitter ■ Transmission Frequency: Type B (806-810MHz), any one of 8 channels ■ Transmission Output: 10mW ■ Antenna Type: 1/4 wave whip ■ Maximum Input Level: -7dBV (MIC/LINE switch "MIC", GAIN dial "fully up") +9dBV (MIC/LINE switch "LINE", GAIN dial "fully up") ■ Gain Adjustment Range: -15dBV to +9dBV GAIN dial / 0 to +8dB MIC/LINE switch / Sensitivity difference between MIC/LINE is 16dB ■ Power Supply: 2 x AA alkaline batteries or 2 x AA nickel-metal hydride rechargeable batteries ■ Battery Life: Approximately 10 hours *When using alkaline batteries. Varies depending on the usage environment. ■ Dimensions/Weight: Width 64 x Height 108 x Depth 19mm, 90g (excluding batteries) ■ SVX4 Receiver ■ Receiving Frequency: Type B (806-810MHz), any one of 8 channels ■ RF Sensitivity (12dB SINAD): -105dBm (standard) ■ Audio Output: Connector/XLR 3-pin, male (balanced), phone jack (unbalanced) Impedance/600Ω ■ Level/XLR: -16dBV (100kΩ load) Phone jack: -22dBV (100kΩ load) ■ Power Supply: DC12-18V (130mA) ■ Included AC adapter (AC100V, 50/60Hz) ■ Dimensions/Weight: Width 168 x Height 32mm x Depth 105, 245g Used only once in a live performance. Can be used while dancing and singing, or in theatrical performances, with clear sound without any problems. The sound quality is excellent, but I already own another one of the same item, so I'm putting one up for sale.