Shure SLXD24D/SM58 Dual Channel Digital Wireless Vocal System with SM58 MicrophonesThe new SLX-D series from Shure delivers transparent, 24-bit digital audio and rock solid RF performance in an easy-to-use, easy-to-scale suite of versatile system configurations. Operate up to 32 compatible systems per 44 MHz UHF band, with easy setup and optional rechargeability accessories.The Shure SLXD24D/SM58 Dual Channel Digital Wireless Vocal System is an incredible dual handheld digital wireless vocal mic system that's tough enough for life on the road, featuring Shure's industry standard SM58 cardioid dynamic microphone capsule - the best known and most loved microphone in the world. The Shure SLXD24D/SM58 comprises1x SLXD4D Dual Channel Digital Wireless Receiver2x SLXD2/SM58 Handheld Digital Wireless Transmitter with SM58 cardioid dynamic microphone capsuleThis is the UK version (K59) and operates in the 606-650MHz wireless band. If you require a different frequency band, please call the sales team on .class="k-br"class="k-br"