Onkyo TX-NR5100 7.2-Channel 8K AV Receiver
Taxes included.
Shipping calculated at checkout.
Standard delivery within 2–5 business days
Onkyo TX-NR5100 7.2-Channel 8K AV Receiver
- 165 watts x 7 channels
- 5.2.2-ch Dolby Atmos® and DTS:X® playback
- Dolby Atmos Height Virtualizer and DTS Virtual:X™ 3D sound virtualization technologies
- SMART AV Receiver™ Works with Sonos*1, Chromecast built-in™, AirPlay 2, and DTS Play-Fi®; includes Spotify®, Amazon Music HD*2, Pandora®, TIDAL, Deezer, and TuneIn streaming services*3
- Works with Hey Google or Alexa*4
- Stream over 5 GHz/2.4 GHz dual-band Wi-Fi® supporting the 802.11ac standard*5
- HDMI® supports 8K/30p(4:2:0/12-bit), 4K/120p(4:2:0/12- bit), HDR10+, Dolby Vision and BT.2020 color; VRR (Variable Refresh Rate), ALLM (Auto Low Latency Mode), and QFT (Quick Frame Transport); eARC (Main Out), and HDCP 2.3
- HDMI Sub Out for media transmission to a projector, gaming monitor, or TV
- Send or receive audio via Bluetooth® wireless technology (RX mode: SBC/AAC, TX mode: SBC/Qualcomm® aptX™/ aptX HD)
- Zone B pre-/line-out plays MAIN Zone audio to a compatible headphone dock
- Vocal Enhancer, media info and playback status display, and one-touch volume memory-preset functions
- AccuEQ with AccuReflex™ and subwoofer EQ
Smart Home Compatible with Voice ControlThe Onkyo TX-NR5100 7.2-Channel 8K SMART AV Receiver easily integrates into your existing Smart Home ecosystem, including Apple Airplay, Alexa, Google apps, and more. You get a highly capable and compatible network device that can operate seamlessly in your multi-room ecosystem.* *Requires third-party AI compatible smart home device with microphone |
![]() |
|
|
HDMI® 2.1 with 8KHDMI® 2.1 is the most recent update of the HDMI® spec and supports eARC, a range of higher video resolutions and refresh rates including 8K60 and 4K120, and Dynamic HDR formats. 8K delivers a super-immersive viewing experience with 2x the horizontal and vertical resolution of 4K, and 4 times as many pixels; and combined with 60Hz refresh rate enables smooth and sharp viewing of content with high-speed action. HDMI 2.1 with 8K and eARC ensures your system is ready for the clearest and cleanest picture available both now and down the road. |
Ultimate 4K Gaming Experience4K/120 enables ultra-fast motion UHD images to be crisp and razor-sharp; and sports, action movies, and high-performance gaming benefit significantly. |
![]() |
Specifications
| Amplifier Section | |
| Power output (All channels) | 165 W/Ch (6 ohms, 1 kHz, 10% THD, 1-ch driven) 80 W/Ch (8 ohms, 20 Hz–20 kHz, 0.08% THD, 2-ch driven, FTC) |
| Dynamic power | 160 W (3 ohms, Front) 125 W (4 ohms, Front) 85 W (8 ohms, Front) |
| THD+N (Total Harmonic Distortion + Noise) | 0.08% (20 Hz–20 kHz,) |
| Input sensitivity and impedance | 200 mV rms/32 k-ohms (Line) |
| Rated RCA output level and impedance | 200 mV rms/2.2 k-ohms (Zone B line-out) |
| Frequency response | 10 Hz–100 kHz/+1 dB, -3 dB (Direct/Pure Audio) |
| Tone control | ±10 dB, 20 Hz (Bass) ±10 dB, 20 kHz (Treble) |
| Signal-to-noise ratio | 106 dB (Line, IHF-A) |
| Speaker impedance | 4–16 ohms |
| Tuner Section | |
| Tuning frequency range | FM 87.5 MHz–107.9 MHz AM 530 kHz–1,710 kHz |
| FM/AM preset memory | 40 stations |
| General | |
| Power supply | AC 120 V~, 60 Hz |
| Power consumption (operating) | 490 W |
| Power consumption (idle) | 45 W |
| Power consumption (standby) | 0.1 W |
| Dimensions (W x H x D) | 17 1/8˝ x 6 5/16˝ x 12 15/16˝ (435 x 160 x 328 mm) |
| Weight | 18.5 lbs. (8.4 kg) |
| Shipping Dimensions (W x H x D) | 20 11/16˝ x 9 7/16˝ x 15 15/16˝ (525 x 240 x 405 mm) |
| Shipping Weight | 23.1lbs. (10.5 kg) |
| Supplied Accessories | • Indoor FM antenna • AM loop antenna • Speaker setup microphone • Quick Start Guide • Remote controller • AAA (R03) batteries x 2 |
Caring for your Speakers and Amplifiers
To Keep your equipment safe these are some best practices to note. Please be advised that this is only to reduce the risk of misuse and is not an exhaustive list.
Speakers
- Speaker terminals are marked red and black, ensure your amplifier to the speakers are wired on the same colours
- Ensure no loose speaker wire from the red touches a loose wire from the black as this will lead to a short circuit and damage either the speaker, the amplifier or both.
- Not all speakers are designed to play at max volume, kindly consider the pairing of your amplifier and speakers
- Speaker cabinets cannot be replaced please handle with care.
AV & Stereo Amplifiers
- If your amplifier has HDMI ports, ensure all devices are off before plugging in the HDMI cable
- Turn off the amplifier before swoping out or adding speaker cable
- Amplifiers generate heat, place them in a well ventilated space. if possible avoid having anything on top of the unit.
- adding a surge protector can assist with power dips which are likely to damage your devices. Isotek and Furman are industry standard.
- Dusty environments can sometimes lead to accumulation of dust in the electronic components that might affect heat regulation
Shipping & Returns
- Free shipping on orders over R500 within the country.
- Standard delivery within 2–5 business days. Delays will be communicated. This might vary slightly depending on your location.
- Return items in original condition for a full refund. (unopened state)
- Returns that are open/unboxed will be subject to a handling fee. Refunds will only be processed after testing the unit.



