Onkyo TX-NR818 Home Theater Receiver 
Rear View 
Remote View 
See More »
Mouse Over Main Image to Zoom In / Click Main Image to Enlarge
Discontinued This item is no longer available
These items may be similar: Home Theater Receiver
00  (0 Reviews)
PID: 27371
Onkyo Internet Authorized Dealer for the Onkyo TX-NR818 Home Theater Receiver
Onkyo Information

Onkyo TX-NR818 Home Theater Receiver Details

  • 8in/2out HDMI Support for 3D Video and Audio Return Channel
  • THX Select2 Plus Certified
  • Network Capability Delivers Internet Radio and Network Streaming
  • Dual Core Video Engine w/ HQV Vida and Marvell Qdeo™ Processing
  • MHL™ (Mobile High-Definition Link) for Smart Phone Content on HDTV
  • Picture-in-Picture Input Source Preview with InstaPrevue™ Technology
  • Direct Digital Connection of iPod/iPhone via Front-Panel USB Port
  • Onkyo Remote App for iPod/iPhone
  • DTS Neo:X, Dolby® Pro Logic® IIz and Audyssey DSX Add New Dimensions to Surround Sound
  • Hybrid Standby Function to Reduce Power Consumption

Onkyo TX-NR818 Home Theater Receiver Specifications


     # Channels    7.2
     Power Watts/ch    135W (8ohms 20-20kHz, 0.08%, 2 Channels Driven, FTC)
     Power (8ohms 20-20kHz 0.05%) /Ch    -
     THX Certified    Select2 Plus
     Continuous 6ohms Rated   
     Certified 4ohms performance   
     All Discrete Circuitry   
     3-Stage Inverted Darlington Circuitry   
     PUSH-PULL Design    -
     Independent Block Construction (Amp/Preprocessor)   
     Toroidal Transformer    -
     Independent Power Supply    -
     Bi-amp Capability For Front   
     BTL Capability For Front    -
     Digital Crossover Processing Network    -


     DOLBY Decoder    True HD, DD Plus, PLIIz
     DTS Decoder    DTS-HD Master Audio, DTS-HD Express
     Dolby PLIIz   
     ONKYO GAME Surround Modes   
     THX Processing Mode   
     Audyssey DSX   
     Audyssey Dynamic EQ   
     Audyssey Dynamic Volume   
     Direct/Pure Mode    / -
     Music Optimizer    (Advanced)
     192K/24 Bit DACs    (Burr-Brown)
     VLSC    -
     isf Certified Calibration Control   


     Audio I/O    7 / 1
     Phono Input   
     Digital Audio IN (OPT/COAX)    2 / 3
     Digital Audio OUT (OPT/COAX)    -
     Composite I/O    5 / 1
     S-Video I/O    - / -
     Component Video I/O    2 / 1
     Front-Panel A/V    V
     Front-Panel Optical    -
     USB Input    Front (made for iPod/iPhone) and Rear
     HDMI I/O    8 (7 + 1)/ 2
     HDMI Version    V1.4a (supports 3D video and Audio Return Channel)
     Component Video Upconversion    -
     Analog To HDMI Upconversion   
     1080p Upscaling    (Marvell Qdeo)
     4K (up to 4096 x 2160) Upscaling    (Marvell Qdeo)
     Multi-Channel Input    -
     Analog Pre-Outs    9.2
     Speaker A/+B    -
     Powered Zone2   
     Powered Zone3   
     Zone 2 Line Out   
     Zone 2 Video Out    -
     Zone 3 Line Out   
     U-Port    -
     iPod Ready    (direct USB input)
     HD Radio Ready    -
     Internet Radio Capable    (vTuner, Pandora, Spotify, Rhapsody, Sirius/XM iRadio, Slacker, LastFM iRadio, Aupeo, MP3tunes)
     Streaming Audio From PC   
     Streaming Audio From USB memory   
     Wireless Network Ready via USB    (optional UWF-1)
     PC Input (15 pin D-sub)   

Integration Access

     IR Input   
     ONKYO-RI System Control   
     12V Trigger    (zone 2/3)


     Pre-Pro/Learning Remote    /
     Back-Lit Remote    -
     On Screen Remote Programming   
     Bi-directional Remote Setup via GUI   
     Activity Based Remote   
     Color-Coded Speaker Terminals   
     Auto Speaker Calibration W/Mic.    (Audyssey MultiEQXT32)
     OSD Out    (advanced "Home" GUI)
     Solid Aluminum Front    -
     Warranty    2 YEARS

Amplifier Section

Power Output    -
     All Channels    135 W (8 ohms, 20 Hz-20 kHz,
0.08%, 2 channels driven, FTC)
     Front L/R    135 W (8 ohms, 20 Hz-20 kHz,
0.08%, 2 channels driven, FTC)
125 W + 125 W (6 ohms, 1 kHz, 0.7%,
2 channels driven, FTC)
     Center    135 W (8 ohms, 20 Hz-20 kHz,
0.08%, 2 channels driven, FTC)
125 W + 125 W (6 ohms, 1 kHz, 0.7%,
2 channels driven, FTC)
     Surround L/R    135 W (8 ohms, 20 Hz-20 kHz,
0.08%, 2 channels driven, FTC)
125 W + 125 W (6 ohms, 1 kHz, 0.7%,
2 channels driven, FTC)
     Surround Back L/R    135 W (8 ohms, 20 Hz-20 kHz,
0.08%, 2 channels driven, FTC)
125 W + 125 W (6 ohms, 1 kHz, 0.7%,
2 channels driven, FTC)
Dynamic Power    300 W (3 ohms, 1 ch)
250 W (4 ohms, 1 ch)
150 W (8 ohms, 1 ch)
THD+N (Total Harmonic Distortion + Noise)    0.08% (20 Hz-20 kHz, Rated power)
Damping Factor    60 (Front, 1 kHz, 8 ohms)
Input Sensitivity and Impedance    200 mV/47 k-ohms (Line)
2.5 mV/47 k-ohms (Phono MM)
Output Level and Impedance    200 mV/470 ohms (Line out)
Phono Overload    70 mV (MM, 1 kHz, 0.5%)
Frequency Response    5 Hz-100 kHz/+1 dB, -3 dB (DSP bypass)
Tone Control    ±10 dB, 50 Hz (Bass)
±10 dB, 20 kHz (Treble)
Signal-to-Noise Ratio    110 dB (Line, IHF-A)
80 dB (Phono MM, IHF-A)
Speaker Impedance    4 Ohms–16 Ohms or 6 Ohms–16 Ohms

Video Section

Input Sensitivity/Output Level and Impedance    -
     Video    1 Vp-p/75 ohms (Component)
0.7 Vp-p/75 ohms (Component PB/CB, PR/CR)
1 Vp-p/75 ohms (Composite)
Component Video Frequency Response    5 Hz–100 MHz, -3dB

Tuner Section

Tuning Frequency Range    -
     FM    87.5 MHz–107.9 MHz
     AM    530 kHz–1,710 kHz
FM/AM Preset Memory    40 stations


Power Supply    AC 120 V, 60 Hz
Power Consumption    8.1A
Standby Power Consumption    0.1W
Dimensions (W x H x D)    17 1/8" x 7 13/16" x 17 1/8" (435 x 198.5 x 435.5 mm)
     Weight    40.3 lbs (18.3 kg)

Onkyo TX-NR818 Home Theater Receiver Reviews

00  (0 Reviews)
Write a Review
  • Rating Rating
    Rating Rating
    Rating Rating
    Rating Rating
    Rating Rating
    Click to rate
    Very Good
  * = Required
Thanks for taking a moment to learn about our "Verified" designations. We employ verification processes to build credibility and promote product reviews. Verified Buyer An individual who has purchased the reviewed item from our company and submitted their review using a process that verifies purchase history. This designation ensures the actual buyer is reviewing the purchased item. Verified Reviewer An individual who has confirmed their email address using our validation process. This designation ensures that product reviewers are using their real email addresses.

Product Q & A


The full manufacturer's warranty from Onkyo is only valid when the Onkyo TX-NR818 Home Theater Receiver is purchased from an Internet Authorized Dealer. We will match any Internet Authorized Dealer's best price on the Onkyo TX-NR818 Home Theater Receiver.

Bose Internet Authorized Dealer   Monster Internet Authorized Dealer   Beats Internet Authorized Dealer   Niles Audio Internet Authorized Dealer   Yamaha Internet Authorized Dealer   Boston Acoustics Internet Authorized Dealer   Shure Internet Authorized Dealer   Sennheiser Internet Authorized Dealer   More...
Mastercard, Visa, Discover, American Express, PayPal McAfee SECURE sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams BizRate Customer Certified (GOLD) Site
My Cart: 0 Items Checkout Back to Top ↑