Thank you for viewing. This is a used item, but it has few scratches and stains, and I think it is in a fairly clean condition overall. However, since it is a used item, please check the images and consider purchasing only if you understand. Used and working SHURE ULXD4D-AB digital wireless receiver, dual channel, SHURE ULXD4D-AB digital wireless receiver, dual channel, for professional use. Included items: SHURE ULXD4D AB 2ch wireless receiver Brand: SHURE SHURE ULXD2 SM58 wireless microphone Brand: SHURE, 1 piece SHURE UA8740-814 wireless antenna Brand: SHURE The main unit, power cable, 1 wireless microphone with holder, microphone case, and 2 wireless antennas. Everything in the images is included. Please check and consider purchasing. The following is from the SHURE website: ULXD4D - Dual-Channel Digital Wireless Receiver - Shure Japan ■ Receiving frequency: B band (806～810Mhz) 30 channels, any 2 channels out of a total of 30 channels. ■ Antenna input ・Effective impedance: 50Ω ・Connector: BNC ・Power supply voltage for active antenna: DC12V, maximum 150mA ■ RF cascade output ・Effective impedance: 50Ω ・Connector: Unbalanced (BNC) ■ RF sensitivity: -98dBm@10-5BER ■ Audio output: ・Format: Balanced (XLR3 pin, male) ・Impedance: 100Ω ・Maximum output level: Balanced: +18dBV (line), -12dBV (mic) ■ Network: ・Interface: Dual-port Ethernet 10/100Mbps, 1Gbps ・Maximum cable length: 100m * The usable cable length varies depending on the cable type and connected equipment. ■ Power supply: AC100V, 50/60Hz, 26W ■ Dimensions: 482 x 42 x 274 mm (excluding protrusions) ■ Weight: 3.4kg (excluding antenna)