The Onkyo TX?SR3100 5.2?Channel AV Receiver delivers immersive home theater performance with up to 135?W per channel. Featuring HDMI?2.1a with 8K60 and 4K120 passthrough, plus advanced video formats like Dolby Vision and HDR10+ for stunning visuals. Enjoy spatial sound with Dolby Atmos, DTS:X, and Dolby Atmos Height Virtualizer. Accurate sound calibration is easy with AccuEQ Room Calibration and support for Klipsch Optimize Mode. Music sounds clearer thanks to the Music Optimizer and Vocal Enhancer. Full Bluetooth 5.0 wireless streaming and a user-friendly interface round out this feature-packed AV solution.
FEATURES
- Powerful 5.2?Channel Amplifier – Delivers immersive surround sound with up to 135?W per channel (6?Ω, 1?kHz, 1?% THD)
- HDMI 2.1a with 8K & 4K Support – Future-ready video passthrough for resolutions up to 8K60 and 4K120, including support for VRR, ALLM, and Dynamic HDR
- Dolby Atmos & DTS:X – Delivers immersive 3D audio or virtual height effects with Height Virtualizer technology
- Room Calibration & Speaker Modes – Fine-tune your setup with AccuEQ Room Calibration and Klipsch Optimize Mode
- Audio Enhancers – Music Optimizer restores compressed audio fidelity, while Vocal Enhancer improves dialogue clarity
- Bluetooth & Streaming Convenience – Easy streaming with Bluetooth 5.0, plus playback control via remote or on-screen interface
SPECIFICATIONS
| Channels | 5.2?Channel (supports virtual 3.1.2 layouts) |
| Power Output | Up to 135?W per channel (6?Ω, 1?kHz, 1?% THD) :contentReference[oaicite:6]{index=6} |
| HDMI | 4 Inputs / 1 Output, HDMI?2.1a, 8K60 / 4K120, eARC, HDR10+, Dolby Vision :contentReference[oaicite:7]{index=7} |
| Audio Formats | Dolby Atmos, DTS:X, Dolby TrueHD, DTS-HD Master Audio, multi?channel PCM, DSD :contentReference[oaicite:8]{index=8} |
| Calibration | AccuEQ Room Calibration with measuring mic |
| Wireless Streaming | Bluetooth 5.0 with Music Optimizer |
| Enhancement Features | Vocal Enhancer, Dolby Atmos Height Virtualizer |
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