Marantz SR6009 7.2 Network Home Theater A/V Receiver Features Built-In Wi-Fi and Bluetooth Built-in Bluetooth and Wi-Fi for easy setup and playback 8 HDMI inputs, including 1 on the front panel, and dual HDMI outputs Network services included are Spotify Connect, Pandora, Internet Radio, Sirius/XM, AirPlay and DNLA 4K Ultra HD 60 Hz Pass-through; 4:4:4 Pure Color Sub-sampling Pass-through Features Audyssey MultEQ XT automatic room acoustic measurement and correction system, Dynamic Volume, to smooth out jumps in volume, and Dynamic Surround Expansion, to broaden the front soundstage, via front height or front wide speakers