Yamaha HTR-3066-R 5.1-Channel Factory Refurbished 3D A/V Home Theater Receiver Yamaha factory refurbished items are products, which may have been purchased and opened by a consumer, but have been tested, inspected, and repackaged by Yamaha. Yamaha factory refurbished items may have minor cosmetic damage. Ultra HD (4K) Pass-through for Next Generation Super High Resolution Images HDMI with 3D and Audio Return Channel, HDMI CEC for Easy Operation YPAOTM Sound Optimization for Automatic Speaker Setup, SCENE for One-touch Start