"Shure SLXD14E/SM35 L56, Digital UHF Wireless System, Frequency range: 650 - 694 MHz, With black SM35 headset microphone, Microphone polar pattern: Cardioid, Microphone frequency range: 45 - 20,000 Hz, Peak SPL: 153 dB, 24 Bit / 48 kHz audio...
