Highlights: Power and Processing: 7-channel amplifier 100 watts per channel into 8 ohms (20-20,000 Hz) at 0.08% THD, with 2 channels driven THX® Select2 Plus™ certification guarantees pristine home theater sound Dolby® TrueHD, DTS-HD™ Master Audio, Dolby® Digital Plus, DTS-HD™ High Resolution Audio and Dolby Pro Logic® IIz Audyssey DSX® processing for enhanced surround sound height or width effects using additional front speakers analog-to-HDMI video upconversion (up to 1080p) with Marvell Qdeo™ video processing Audyssey 2EQ® auto speaker calibration (microphone included) Audyssey Dynamic Volume™ mode to maintain steady listening levels Audyssey Dynamic EQ™ for fuller surround sound at lower volumes Digital Music Options: direct digital connection of iPod®/iPhone® through front-panel USB input allows music control via receiver's remote DLNA (Digital Living Network Alliance) certified to ensure optimal compatibility with other network-enabled equipment Wi-Fi ready, requires separate adapter Internet streaming capabilities for Internet radio, Spotify®, SIRIUS/XM® Internet radio, Pandora® Internet radio, Rhapsody® and more (may require registration and subscription fees) Bluetooth integration (requires optional optional Onkyo adapter) Multi-room Audio: three-room/three-source output: powered and line-level stereo audio output for 2nd room (using powered 2nd room stereo output allows 5.1 home theater in main room) line-level stereo audio output for 3rd room Audio Performance Features: high-current amplifier design 192kHz/24-bit Burr-Brown digital-to-analog converters for all channels direct mode switches off unnecessary circuitry to provide cleaner sound back surround speaker channels re-assignable for bi-amping compatible front left and right speakers Music Optimizer function enhances the sound quality of compressed music files Connections: 1080p-compatible HDMI switching: 8 in (including 1 front-panel input), 2 out HDMI version 1.4 with support for 3D video, Audio Return Channel, Deep Color, x.v.Color, auto lip-sync, and HDMI-CEC Audio Return Channel function receives digital audio signals from a compatible HDTV's tuner via HDMI digital audio inputs: 2 optical and 2 coaxial 5 audio/video inputs, including: 1 front-panel input with composite video 4 rear-panel inputs with composite and component video no phono input — to connect a turntable you'll need to add a phono preamp Ethernet port for music streaming from a PC network 2 audio outputs for powered subwoofers 1 pair of main speaker outputs General features: overlaid on-screen display via HDMI for easier setup and operation 40 AM/FM presets multibrand remote Onkyo's free remote app lets you use your iPod touch®, iPhone® or Android™ device as a Wi-Fi remote 17-1/8"W x 6-13/16"H x 13-3/8"D weight: 24.3 lbs. warranty: 2 years 60-day returns MFR # TX-NR616 no remote! Now let's talk about the speakers... You get Sansui front mains:Sansui spx3-u 10" 3 way acoustic suspension design uses carbon injection poly cones on woofer and midrange unit which is in its own separate chamber. A 3/4" silk dome is identical to vifa diaphragms. These are heavy around 50 lbs a piece. Solid . the surround speakers include 3 matching 51/4" 2 way bookshelf units and a larger dual 6" 2 way bookshelf for serious authority. The sub bass is done by two 10" 75 watt rms subwoofers. They have huge transformers and capacitors. The magnet is big o. the woofer ,too. 21 active drivers !!! 850 watts Rms