Mic Wireless Shure PGX 242 BETA 58Vocal Microphone Mic Wireless Shure PGX 242 BETA 58microphone accentuates the warmth and clarity of lead and backup vocals. Its supercardioid design provides maximum isolation from other onstage sounds. Supercardioid, DynamicFrequency response: 50 to 16,000 HzNeodymium magnet for high signaltonoise output Mic Wireless Shure PGX 242 BETA 58Handheld Transmitter Automatic Transmitter SetupMulti-function LED Indicator (power, lockout, mute, low battery)Two AA batteries provide 8 hours of continuous use300 ft. (92 m) operating range-10db pad Mic Wireless Shure PGX 242 BETA 58 Wireless Receiver Mic Wireless Shure PGX 242 BETA 58 receiver makes wireless setup a snap. With features like Automatic Frequency Selection and Automatic Transmitter Setup, Mic Wireless Shure PGX 242 BETA 58 offers the best in wireless to performers on the go. PGX Wireless Systems feature Shures patented Audio Reference Companding for crystal-clear sound beyond the limits of conventional wireless technology. Automatic Transmitter SetupAutomatic Frequency Selection90 Selectable frequencies across 18 MHz bandwidth1/4 wave antennasMicroprocessor- controlled diversityChannel display LEDXLR and 1/4 outputs Mic Wireless Shure PGX 242 BETA 58