TX-NR646

Cutting Edge of Audio Control & Power

7.2-Ch Network A/V Receiver with Wi-Fi & Bluetooth


  • DTS:X™ Ready
  • Dolby Atmos® Support
  • 170 W per Channel
  • Hi-Current Amp Design for Authentic Sound Reproduction
  • More...

$699.00
MSRP

     
WHERE TO BUY

Experience the cutting edge of home theater with the 7.2-channel TX-NR646 Network A/V Receiver, the rst in its class to feature the revolutionary DTS:XTM and Dolby Atmos® multi-dimensional audio formats. Onkyo’s high-current ampli cation system drives your speakers to reproduce soundtracks with maximum impact and delity at 170 W/Ch.

  • DTS:X™ Ready and Dolby Atmos® Support
  • 170 W per Channel
  • Hi-Current Amp Design for Authentic Sound Reproduction
  • HDMI® 8 In / 2 Out Including 1 Front
  • DSD 5.6 MHz, FLAC 192 kHz/24-bit Hi-Res Audio Capable
  • Built-in Bluetooth & Wi-Fi® with Pandora, Spotify, and AirPlay
  • AccuEQ Room Acoustic Calibration
  • HDMI & HDCP 2.2 for 4K UltraHD
Amplifier
# Channels 7.2
Power Watts/Ch (6 Ohms 1kHz, 1 Channel Driven, FTC) 170, 0.9% THD
Power Watts/Ch (8 Ohms 20-20kHz, 2 Channels Driven, FTC) 100, 0.08% THD
WRAT (Wide Range Amplifier Technology)
H.C.P.S. (High Current Power Supply) ✓ (Massive High Power Transformer)
THX Certified -
Continuous 6 Ohms Rated
Certified 4 Ohms Performance -
Discrete Output Stage Circuitry
3-Stage Inverted Darlington Circuitry -
PUSH-PULL Design
Independent Block Construction (Amp/Preprocessor) -
High-Grade Toroidal Transformer -
Independent Power Supply ✓ (x2)
Bi-amp Capability For Front
Processing
Dolby Atmos
32-Bit Digital Signal Processing Engine
Dolby Decoder Atmos, True HD, DD Plus
DTS:X
DTS Decoder DTS: X, DTS-HD Master Audio
ONKYO GAME Surround Modes ✓ (Rock, Sports, Action, RPG)
VLSC for Noiseless Audio Processing -
THX Processing Mode -
AccuEQ Room Calibration ✓ (Advanced)
Phase-Matching Bass Boost ✓ (for Deep Bass and Clear Mid-Range)
Direct/Pure Mode ✓ / -
Pure Direct Analog Path Mode -
Advanced Music Optimizer ✓ (Bluetooth Included)
384K/32 Bit DACs ✓ (Asahi Kasei AKM4458)
192K/32 Bit DACs -
192K/24 Bit DACs -
isf Certified Calibration Control -
Connectivity
Audio I/O 7 / 0
Phono Input
Digital Audio IN (OPT/COAX) 2 / 1
Composite Video I/O 3 / 0
Component Video I/O 2 / 0
Front Panel HDMI
Front-Panel A/V -
Front-Panel Optical -
USB Input ✓ (Rear)
HDMI I/O 8 / 2
HDMI 4K/60 Hz- Capable HDMI Terminals ✓ (HDR Support)
HDCP 2.2 Copy-Protection Compatibility ✓ (3 in / 2 out)
HDMI Support for High Dynamic Range
HDMI Support for 3D, Audio Return Channel and CEC
BT.2020 Support
HDMI Support for Deep Color, x.v.Color, LipSync
HDMI Support for DVD-Audio, SACD, Multichannel PCM
InstaPrevue Input Source Prevue -
MHL for Mobile Device Connection -
Composite to Component Video Upconversion -
Analog To HDMI Upconversion ✓ (from 480i/576i)
1080p Upscaling -
4K (up to 4096 x 2160) Upscaling -
4K Passthrough
Analog Pre-Outs Subwoofer (x2)
XLR Pre-outs -
18mm Pitch High Grade Pre-outs -
Speaker A/+B -
Powered Zone 2
Powered Zone 3 -
Zone 2 Line Out ✓ (Fixed)
Zone 2 Video Out -
Zone 2 Digital to Analog Audio Conversion ✓ (S/PDIF, NET, USB)
Zone 3 Line Out -
Whole House Mode -
Made for iPod, iPhone, iPad
Airplay
Supports Onkyo Remote App ✓ (iPod touch/iPhone and Android-Powered Devices)
Internet Radio Capable ✓ (Pandora, Spotify, Sirius, Slacker, TuneIn, Deezer)
Spotify Connect Support
Streaming Audio From PC / Network ✓ (DLNA, Home Media)
Hi-Res Streaming Audio Formats ✓ (Apple Lossless, DSD 2.8/5.6 MHz, Dolby TrueHD, FLAC 192/24, LPCM, Ogg Vorbis, WAV, WMA)
Streaming Audio From USB memory
Wireless Network ✓ (Wi-Fi-Certified)
Bluetooth ✓ (Built-in)
PC Input (15 pin D-sub) -
Integration Access
RS-232 -
IR Input -
IR Output -
Ethernet
ONKYO-RI System Control
RIHD (Remote Interactive Over HDMI)
12V Trigger -
Miscellaneous
Pre-Pro/Learning Remote ✓ / -
On Screen Remote Programming
Hybrid Standby Function ✓ (to Reduce Power Consumption)
Smart Grid-Ready
Auto Speaker Calibration W/Mic. ✓ (AccuEQ - Advanced)
OSD Out ✓ (Advanced "Home" GUI)
Solid Aluminum Front -
Transparent High-Grade Speaker Terminals -
Detachable AC Cord -
Warranty 2 YEARS
Amplifier Section
Power Output
All Channels170 W/Ch (6 Ohms, 1 kHz, 0.9% THD, 1 Channel Driven, FTC);
100 W/Ch (8 Ohms, 20 Hz–20 kHz, 0.08% THD, 2 Channels Driven, FTC)
Dynamic Power240 W (3 Ohms, Front)
210 W (4 Ohms, Front)
120 W (8 Ohms, Front)
THD+N (Total Harmonic Distortion + Noise)0.08% (20 Hz-20 kHz, Half power)
Damping Factor60 (Front, 1 kHz, 8 Ohms)
Input Sensitivity and Impedance200 mV/47 k-ohms (Line)
3.5 mV/47 k-ohms (Phono MM)
Rated RCA Output Level and Impedance100 mV/2.2 k-ohms (Zone 2 Line Out)
200 mV/470 Ohms (Subwoofer Pre Out)
Maximum RCA Output Level and Impedance1.0 V/2.2 k-ohms (Zone 2 Line Out)
2.0 V/470 Ohms (Subwoofer Pre Out)
Phono Overload70 mV (MM, 1 kHz, 0.5%)
Frequency Response10 Hz-100 kHz/+1 dB, -3 dB (Direct Mode)
Tone Control±10 dB, 20 Hz (Bass)
±10 dB, 20 kHz (Treble)
Signal-to-Noise Ratio100 dB (Line, IHF-A)
80 dB (Phono MM, IHF-A)
Speaker Impedance6 Ohms–16 Ohms
Video Section
Input Sensitivity/Output Level and Impedance
Video1.0 Vp-p/75 Ohms (Component)
0.7 Vp-p/75 Ohms (Component PB/CB, PR/CR)
1.0 Vp-p/75 Ohms (Composite)
Component Video Frequency Response5 Hz–13.5 MHz/+0 dB, -3dB
Tuner Section
Tuning Frequency Range
FM87.5 MHz–107.9 MHz
AM530 kHz–1,710 kHz
FM/AM Preset Memory40 stations
General
Power SupplyAC 120 V~, 60 Hz
Power Consumption6.4 A
No-Sound Power Consumption70 W
Standby Power Consumption0.1 W
Dimensions (W x H x D)17 1/8" x 6 13/16" x 12 15/16" (435 x 173.5 x 329 mm)
Weight20.7 lbs (9.4 kg)
UPC Code
(B)751398012228

Owner's Documentation & Software

Product Manuals

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Owner's Manual


Advanced Manual
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5.70 MB
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BasicManual
Spanish/French
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BasicManual
English
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Firmware Updates & Instructions

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Firmware Instructions


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413.24 KB
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Firmware USB Download


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Product Sheets

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Product Sheet

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