The Shure SLXD4D+-G57 is a professional dual-channel digital wireless receiver delivering pristine 24-bit audio, rock-solid RF performance, and efficient multi-system operation in a single 1RU chassis. Designed for large venues, churches, theaters, corporate AV, and touring applications, it offers dual-receiver convenience with enhanced spectrum performance in congested environments. Each independent channel pairs seamlessly with SLXD1+ bodypacks and SLXD2+ handheld transmitters, reducing rack space while maximizing system flexibility.