Liberate your performance with the GLXD14/B98 Wireless System. The Shure Beta WB98H/C Microphone is designed to capture expressive instruments to the highest stand. The mics full range frequency response (20Hz-20kHz) is tailored to preserve the tonality and power of horns and percussion whilst the tight cardioid polar pattern rejects the intrusive noise from around you. Delivering the clearest most authentic sound possible. And its been fused with elegant GLX-D technology - for wireless freedom you can really trust. Setup is simple. Intelligent LINKFREQ technology finds the best frequency for your performance. And if competing signals are detected from nearby Wi-Fi and Bluetooth devices your receiver will automatically switch to a new clear frequency. Its totally seamless with zero interruption to the audio. Just fault free performance every night.