Onkyo 7.2-Ch Network A/V Receiver with Wi-Fi & Bluetooth - TX-NR646
CA $499
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Model #: TX-NR646
Brand : Onkyo
Category : Receivers & Amplifiers

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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. Onkyos 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
# Channels7.2
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-
Independent Block Construction (Amp/Preprocessor)-
High-Grade Toroidal Transformer-
Independent Power Supply✓ (x2)
Bi-amp Capability For Front
Dolby Atmos
32-Bit Digital Signal Processing Engine
Dolby DecoderAtmos, True HD, DD Plus
DTS DecoderDTS: 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-
Audio I/O7 / 0
Phono Input
Digital Audio IN (OPT/COAX)2 / 1
Composite Video I/O3 / 0
Component Video I/O2 / 0
Front Panel HDMI
Front-Panel A/V -
Front-Panel Optical-
USB Input✓ (Rear)
HDMI I/O8 / 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-OutsSubwoofer (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
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
IR Input-
IR Output-
ONKYO-RI System Control
RIHD (Remote Interactive Over HDMI)
12V Trigger-
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-
Warranty2 YEARS
Amplifier Section
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
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
FM87.5 MHz""107.9 MHz
AM530 kHz""1,710 kHz
FM/AM Preset Memory40 stations
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)

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