Shure SLXD5+ S50 - Mobile digital 1-channel UHF wireless receiver; transmission range: 823 - 832 und 863 - 865 MHz; Audio transmission: 24-bit/48 kHz; dynamic range: >118 dB; switching bandwidth: 138 MHz; 14 compatible channels per 8 MHz band, 11 compatible channels per 6 MHz band; automated setup and pairing; ShowLink® Ease enables remote control and management of transmission parameters for paired devices; integrated Shure Digital Feedback Reducer software; AES-256 encryption; Transmitter operation with 1.5V AA batteries (up to 5,5 hours runtime), optionally also with Li-ion battery SB903 (not included); Dimensions (W x H x D): 68 x 107 x 26 mm; weight: 182 g; includes carrying case and AA batteries