Shure PGX24E / PG58 wireless microphone

System Technical Specifications System Number (maximum) for each frequency band compatible: 8 selectable frequencies: 90 Auto Setup Features: Scan / Sync Audio Reference: Yes Antenna: External 1/4 wave Antenna Options: No Receiver Network Function: NoPC Control: No Rack Hardware: Optional (URT) Case: System Chassis Transmitter Display: Multi-color LED Receiver Display: Multi-color LED battery operating time: 2 AA batteries,> 8 hours Environment: Small to medium stages Further Technical Specs PGX4 receiver Dimensions height 40 x width 181 x depth 104 mm (1.6 x 7.125 x 4.1 inches) Weight 327 grams (11.5 ounces) Housing ABS Audio output level (reference value + / -33 kHz deviation, 1 kHz tone) XLR connector (connected to 600 Ω load): -19 dBV 1/4 inch connector (connect to 3000 Ω load): -5 dBV Output Impedance XLR connector: 200 Ω 1/4 inch Interface: 1kΩ XLR balanced output impedance Pin 1: Ground (cable shield) Pin 2: Audio Pin 3: No Audio sensitivity is -105 dBm, 12 dB signal to noise ratio (typ) Image Rejection> 70 dB (typical) power supply Requirements 12-18 V DC, 150 mA, use an external power supply (maximum -10dB position) PGX2 Handheld Transmitter Audio Input Level +2 dBV -8 dBV (0dB maximum position) Gain adjustment range 10dB RF Transmitter output 30 mW (max) (as may be applicable country regulations) Dimensions (including SM58 microphone) 254 x 51 mm in diameter (10 x 2 inches) Weight 290 grams (10.2 ounces) without battery molded PC / ABS handle and battery cover Power Requirements 2 AA alkaline batteries or rechargeable batteries Battery Life> 8 hours (alkaline)