TX-NR646 7.2-Channel Network A/V Receiver

TX-NR646 7.2-Channel Network A/V Receiver
Home Cinema at the Cutting Edge
Experience the cutting edge of home cinema with the 7.2-channel TX-NR646 Network A/V Receiver, the first in its class to feature the
revolutionary DTS:X™ and Dolby Atmos® multi-dimensional audio formats. Onkyo’s high-current amplification system drives your speakers to
reproduce soundtracks with maximum impact and fidelity at 160 W/Ch. UltraHD video capability is equally impressive, with eight HDMI® 2.0a
terminals including dedicated HDCP 2.2 compatible inputs for premium 4K video content and two HDMI outputs for video in separate rooms.
The TX-NR646’s high-grade 384 kHz/32-bit AKM DAC not only brings movies to life, but your Hi-Res and streamed music as well. Conveniently
stream music over built-in Wi-Fi®, Bluetooth, AirPlay, or internet music services including Spotify Connect and Deezer. Use the free Onkyo Remote
app to stream audio stored on your mobile device, browse and select tracks from online services, and control playback in two zones. Plus, for fans
of vinyl, the TX-NR646 has a phono equalizer input to connect a turntable.
• DTS:X™ Compatible
• Supports Dolby Atmos® up to 5.1.2 Channels
• 160 W per Channel
• Hi-Current Amp Design for Authentic Sound Reproduction
• HDMI® 8 In / 2 Out Including 1 Front
(4K UltraHD / HDMI 2.0a / HDCP 2.2)
• Bluetooth Audio / Wi-Fi® with Spotify and AirPlay
• DSD 5.6 MHz, FLAC 192 kHz/24-bit Hi-Res Audio Capable
• 384 kHz/32-bit Hi-Grade DAC
• AccuEQ Room Acoustic Calibration
• New DTS:X™ New Generation Sound Format Ready
• Supports Dolby Atmos® Format for Exciting Multidimensional Sound
• 4K/60
Hz-Capable 4:4:4 HDMI® 2.0a Terminals for UltraHD
• Supports
HDCP 2.2 for Future 4K/Full HD Video Streaming and
• 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, and Deezer)*3
• Playback
Compressed, Lossless, and Hi-Res Audio via Local Network
(MP3, WMA, WMA Lossless, FLAC, WAV, Ogg Vorbis, AAC, Apple
Lossless, DSD 5.6 MHz, LPCM*4, and Dolby® TrueHD)
• Proprietary AccuEQ Room Calibration with Mic Included
• Advanced Music Optimizer to Improve Compressed Digital Audio
Quality (Bluetooth Audio Included)
• Control and Stream with Free Onkyo Remote Streaming Apps for
iPod touch/iPhone*5 and Android™ Devices*6
• PM Bass Boost for Deep Bass and Clear Mid-Range
• Powered Zone 2 and Zone 2 Line-Out for Distributed Audio Playback
in Another Room
• Bi-Amping Capability for Front Channels
*1 6G video is supported on HDMI inputs 1/2/3, Main Out, and Sub Out. *2 HDCP 2.2 is
supported on HDMI inputs 1/2/3, Main Out, and Sub Out. *3 Availability of services depends
on region. Some services may require a paid subscription and firmware update. Availability of
third-party services advertised here is accurate at the time of publication, but may be subject
to change without notice. *4 LPCM is supported via DLNA only. *5 Compatible with iPod touch
(3rd generation or later) and iPhone 3GS or later. All models require iOS 4.2 or later. *6 Requires
Android 2.1 or later.
• 160 W/Ch (6 Ω, 1 kHz, 1% THD, 1 Channel Driven, IEC);
175 W/Ch (6 Ω, 1 kHz, 1 Channel Driven, JEITA)
• WRAT (Wide Range Amplifier Technology)
• H.C.P.S. (High Current Power Supply) Massive High Power Transformer
• Discrete Output Stage Circuitry
• Optimum Gain Volume Circuitry
• PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for
S/PDIF Audio
• HDMI 2.0a Support for 4K/60 Hz, 3D, Audio Return Channel,
DeepColor™, x.v.Color™, LipSync, Dolby Atmos®, Dolby® TrueHD,
DTS:X™, 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)
• Dual 32-bit Digital Signal Processing Engines
• 4 DSP Modes for Gaming: Rock, Sports, Action, and RPG
• Theater-Dimensional Virtual Surround Function
• CinemaFILTER™
• Direct Mode
• Double Bass Function
• Non-Scaling Configuration
• A-Form Listening Mode Memory
• 8 HDMI Inputs (1 Front/ 7 Rear) and 2 Outputs
• USB Port
• Mass Storage Class USB Memory Playback Capability
• 2 Component Inputs
• 3 Composite Video Inputs
• 3 Digital Audio Inputs (2 Optical and 1 Coaxial)
• 8 Analog Audio Inputs
• Phono Input for Turntable Connection
• 2 Parallel Subwoofer Pre-Outs
• Location Numbered Speaker Terminal
• Crossover Adjustment for Each Channel
(40/50/60/70/80/90/100/120/150/200 Hz)
• A/V Sync Control (Up to 500 ms in 10 ms Steps at 48 kHz)
• Graphical Overlaid On-Screen Display (OSD) via HDMI with
Quick Set-Up
• Hybrid Standby Function with HDMI Passthrough
• Smart Grid-Ready
• Tone Control (Bass/Treble)
• 3-Mode Display Dimmer (Normal/Dim/Dimmer)
• 40 FM/AM Random Presets
• Certified with DLNA Version 1.5
• Firmware Updates via Ethernet and USB
• RIHD (Remote Interactive Over HDMI) for System Control
• Preprogrammed RI (Remote Interactive) Remote Control
7.2-Channel Network A/V Receiver
DTS:X™ Compatible
Bluetooth Audio / Wi-Fi® with Spotify and AirPlay
DTS:X is a next-generation object-based surround sound
technology that includes height to deliver a fully-immersive
listening experience to your living room. DTS:X provides
listeners the ultimate in flexibility, immersion,
and interactivity.
Stream virtually any audio from your smartphone, tablet, or PC
to your home cinema for clear and powerful sound. Available
internet radio and music subscription services include Spotify
and many more.
Supports Dolby Atmos® Up to 5.1.2 Channels
Dolby Atmos transports you from an ordinary
moment into an extraordinary experience
with captivating, multidimensional sound that
fills your room and flows all around you to
move your mind, body, and soul.
DSD 5.6 MHz, FLAC 192 kHz/24-bit Hi-Res
Audio Capable
Hi-Current Amp Design for Authentic
Sound Reproduction
High instantaneous current enhances speaker control for
accurate and dynamic audio reproduction. It's the cornerstone
of Onkyo’s amplification philosophy.
Onkyo A/V receivers are engineered for universal Hi-Res
compatibility and ease of use. Use the remote app to locate
your 192/24 and 96/24 albums (including
5.6 MHz DSD playback) on PC or NAS and
bask in the clarity, depth, and detail of
high-resolution music.
384 kHz/32-bit Hi-Grade DAC
A premium-quality AK4458 digital-to-analog converter from
Asahi Kasei unlocks the full potential of any audio format,
thanks to unique low-distortion filtering technologies for
clear sound.
Amplifier Section
Power Output All Channels
160 W/Ch (6 Ω, 1 kHz, 1% THD,
1 Channel Driven, IEC)
175 W/Ch
(6 Ω, 1 kHz, 1 Channel Driven, JEITA)
Dynamic Power
240 W (3 Ω, Front)
210 W (4 Ω, Front)
120 W (8 Ω, Front)
THD+N (Total Harmonic Distortion + Noise)
0.08% (20 Hz–20 kHz, Half Power)
Damping Factor
60 (Front, 1 kHz, 8 Ω)
Input Sensitivity and Impedance
200 mV/47 kΩ (Line)
3.5 mV/47 kΩ (Phono MM)
Rated RCA Output Level and Impedance
100 mV/2.2 kΩ (Zone 2 Line Out)
200 mV/470 Ω (Subwoofer Pre Out)
Maximum RCA Output Level and Impedance
1.0V/2.2 kΩ (Zone 2 Line Out)
200m V/470 Ω (Subwoofer Pre Out)
Phono Overload
70 mV (MM, 1 kHz, 0.5%)
Frequency Response
10 Hz–100 kHz/+1 dB, -3 dB (Direct Mode)
Tone Control
±10 dB, 20 Hz (Bass)
±10 dB, 20 kHz (Treble)
Signal-to-Noise Ratio
100 dB (Line, IHF-A)
80 dB (Phono MM, IHF-A)
Speaker Impedance
4 or 6 Ω–16 Ω
Video Section
Input Sensitivity/Output Level and Impedance Video
1.0 Vp–p/75 Ω (Component Y)
0.7 Vp–p/75 Ω (Component PB/CB, PR/CR)
1.0 Vp–p/75 Ω (Composite)
Component Video Frequency Response
5 Hz–13.5 MHz/+0 dB, -3 dB
Tuner Section
Tuning Frequency Range FM
FM/AM Preset Memory 87.5 MHz–108 MHz
87.5 MHz–107.9 MHz (Taiwan Model)
522 kHz–1,611 kHz
530 kHz–1,710 kHz
530 kHz–1,710 kHz (Taiwan Model)
40 Stations
HDMI 8 In / 2 Out Including 1 Front
(4K UltraHD / HDMI 2.0a / HDCP 2.2)
All HDMI terminals support 4K/60Hz, as well as HDCP 2.2 for
next-generation UltraHD streaming and broadcasting.
Power Supply AC 220–240V~, 50/60 Hz
AC 120 V~, 60 Hz (Taiwan Model)
Power Consumption 630 W
No-Sound Power Consumption
70 W
Standby Power Consumption
0.15 W
Dimensions (W x H x D) 435 x 173.5 x 329 mm Weight
9.4 kg
Dimensions (W x H x D) 570 x 287 x 423 mm Weight
12.5 kg
Supplied Accessories
• Indoor FM antenna • AM loop antenna
• Speaker set-up microphone • Instruction manual
• Remote controller • AA (R6) batteries x 2
Due to a policy of continuous product improvement, Onkyo reserves the right to change specifications and appearance without notice. Manufactured under license from Dolby Laboratories. Dolby and the double-D symbol are trademarks of Dolby Laboratories. For DTS patents, see
http://patents.dts.com. Manufactured under license from DTS Licensing Limited. DTS, DTS-HD, the Symbol, & DTS and the Symbol together are registered trademarks, and DTS:X and DTS-HD Master Audio are trademarks of DTS, Inc. © DTS, Inc. All Rights Reserved. HDMI, the HDMI
logo, and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries. The Bluetooth® word mark and logos are owned by the Bluetooth SIG, Inc. AirPlay, iPad, iPhone, and iPod touch are trademarks of
Apple Inc., registered in the U.S. and other countries. iPad Air and iPad mini are trademarks of Apple Inc. "Made for iPod", "Made for iPhone" and "Made for iPad" mean that an electronic accessory has been designed to connect specifically to iPod, iPhone, or iPad, respectively, and has
been certified by the developer to meet Apple performance standards. Apple is not responsible for the operation of this device or its compliance with safety and regulatory standards. Please note that the use of this accessory with iPod, iPhone or iPad may affect wireless performance.
AirPlay works with iPhone, iPad, and iPod touch with iOS 4.3.3 or later, Mac with OS X Mountain Lion or later, and PC with iTunes 10.2.2 or later. WRAT, Music Optimizer, CinemaFILTER, and Theater-Dimensional are trademarks of Onkyo Corporation. All other trademarks and registered
trademarks are the property of their respective holders.
Copyright © 2015 Onkyo Corporation. All rights reserved.
NPR No. 15N14 04/15
Text on receiver may vary with region.
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