ONKYO TX-NR555

HIGHLIGHTS
DTS:X® and Dolby Atmos® up to 5.1.2 Channels
130 W per Channel (IEC)
Wireless Audio Streaming with Chromecast built-in*1 and AirPlay
HDMI® 6 In / 1 Out (4K/60 Hz / HDCP 2.2 / HDR)
Dynamic Audio Amplification for Realistic Sound 
AccuEQ Room Calibration with AccuReflex Technology
FlareConnect™*1 Wireless Multi-room Audio
Bluetooth® Audio / Wi-Fi® with Spotify®, TIDAL, and AirPlay
384 kHz/32-bit Hi-Grade DAC
ADVANCED FEATURES
4K/60 Hz-Capable HDMI Terminals for Ultra HD Entertainment
Built-in Wi-Fi Certified Wireless LAN Capability
Bluetooth Version 2.1 + EDR Capability (Compatible Profile: A2DP v1.2, AVRCP v1.3) with Advanced Music Optimizer DSP Technology
Internet Radio and Music Streaming Subscription Services Included (TuneIn Radio, Spotify, Tidal and Deezer)*2
AirPlay Compatible
Play Compressed, Lossless, and Hi-Res Audio via Local Network (MP3, WMA, WMA Lossless, FLAC, WAV, AAC, Apple Lossless, DSD 5.6 MHz)
FlareConnect Multi-room Audio Distribution to Compatible Components and Speakers
AccuEQ Room Calibration Featuring AccuReflex Technology for Seamless Object-based Sound from Compatible Speakers (Mic Included)
Advanced Music Optimizer to Improve Compressed Digital Audio Quality (Bluetooth Audio Included)
Control and Stream with Free Onkyo Controller*3 App for  iPod touch/iPhone and Android™ Devices
Powered Zone 2 and Zone 2 Line Out for Distributed Analog/Digital Audio Playback in Another Room
AMPLIFIER FEATURES
130 W/Ch (6 Ω, 1 kHz, 1% THD, 1 Channel Driven, IEC); 160 W/Ch (6 Ω, 1 kHz, 10% THD, 1 Channel Driven, JEITA)
Dynamic Audio Amplification for a Thrilling Audio Experience
H.C.P.S. (High Current Power Supply) Massive High Power Transformer
High Current Amp Design to Effectively Drive the Speakers 
Non-Phase Shift Amp Circuits for Realistic Imaging 
VLSC™ for a Clear Audio Experience
PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio
Optimum Gain Volume Control
PROCESSING FEATURES
DTS: X and Dolby Atmos Decoding
HDMI Support for 4K/60 Hz, 3D, Audio Return Channel, DeepColor™, x.v.Color™, LipSync, Dolby Atmos,  Dolby® TrueHD, DTS-HD Master Audio™, DVD-Audio,  Super Audio CD, Multichannel PCM, and CEC
Dolby TrueHD and DTS-HD Master Audio Decoding
AK4458 384 kHz/32-bit DAC (8 Channels x 1)
Advanced 32-bit DSP Chip
4 DSP Modes for Gaming: Rock, Sports, Action, and RPG 
Theater-Dimensional Virtual Surround Function
CinemaFILTER™
Direct Mode
Double Bass Function
CONNECTION FEATURES
6 HDMI Inputs and 1 Output
USB 2.0 Port
Mass Storage Class USB Memory Playback Capability
2 Component Video Inputs (Rear)
2 Composite Video Inputs (Rear)
3 Digital Audio Inputs (2 Optical and 1 Coaxial)
8 Analog Audio Inputs (1 Front*/7 Rear)
Phono Input for Turntable Connection 
2 Parallel Subwoofer Pre-Outs
Banana Plug-Compatible Speaker Posts
Headphone Jack
* 3.5mm pin jack type.
OTHER FEATURES
Crossover Adjustment for Each Channel
 (40/50/60/70/80/90/100/120/150/180/200 Hz)
A/V Sync Control (Up to 500 ms in 5 ms Steps at 48 kHz)
Overlaid On-Screen Display (OSD) via HDMI with Quick Set-Up
Hybrid Standby Function with HDMI Passthrough to Reduce Power Consumption
Quick Configuration Rear Panel
Tone Control (Bass/Treble) for Front L/R Channels
3-Mode Display Dimmer (Normal/Dim/Dimmer)
40 FM/AM Random Presets
Firmware Updates via Ethernet and USB
RIHD (Remote Interactive Over HDMI) for System Control
Simple Remote Control