Shure › Shure AD4Q-DC-A Quad Channel Receiver with Redundant DC Power-Input Modification 470-636 MHz Image 1 of 1 Shure AD4Q-DC-A Quad Channel Receiver with Redundant DC Power-Input Modification 470-636 MHz $9,343.00 Get notified by email when this product is in stock. Quantity: Add To Cart Added!