The Denon AVR-S670H bridges the gap between affordability and advanced home theater performance. Featuring 8K-ready HDMI 2.1 ports, Denon’s HEOS streaming platform, and 75 watts of clean Class A/B power, it’s ideal for users who want modern features without an oversized chassis or complex calibration setup.
In this review, we’ll explore how the Denon AVR-S670H performs against its big brother, the Denon AVR-S770H, and competitors like the Onkyo TX-NR6100 to help you decide whether this 7.2-channel model fits your home setup.
Key Features & Specs
| Model | Power Output | Channels | Video Support | Streaming / Features | Price Range |
|---|---|---|---|---|---|
| Denon AVR-S670H | 75 W × 2 (8Ω) | 7.2 Channel | 8K / 60Hz, 4K / 120Hz, HDR10+, Dolby Vision | HEOS, AirPlay 2, Alexa / Google Voice, HDMI eARC | ≈ $549 |
Sound Quality & Performance
The Denon AVR-S670H delivers a refined sonic character — warm, dynamic, and articulate. Its two main channels sound impressively full even without a subwoofer, while 7.2 support ensures smooth expansion for surround or Atmos setups. The receiver’s clean amplification helps retain detail at low volumes and control distortion under load.
Denon’s AL32 Processing enhances digital-to-analog conversion, improving clarity and stereo separation. Whether you’re streaming via HEOS, watching Dolby Atmos content, or connecting a turntable, the S670H punches far above its price range for sound quality.
Features & Usability
With six HDMI inputs and dual outputs, the S670H supports all major 8K and HDR formats including Dolby Vision, HDR10+, and HLG. Wireless streaming is seamless through Denon’s HEOS app, with Spotify Connect, Tidal, and AirPlay 2 built in.
The on-screen setup assistant makes configuration effortless — automatically detecting connected speakers and calibrating levels. Integration with Alexa, Google Assistant, and Siri provides hands-free voice control.
Pros & Cons
- Pros: Compact 8K receiver, HEOS streaming, detailed stereo performance, excellent build, eARC-ready HDMI ports.
- Cons: Lacks pre-outs for expansion, no Dirac Live, limited power for very large rooms.
Buying Guide: Who Should Choose the Denon AVR-S670H?
The Denon AVR-S670H is perfect for small-to-medium living rooms or apartments where simplicity and reliability are key. If you prioritize 8K connectivity, solid stereo performance, and HEOS streaming, this receiver fits beautifully without overcomplicating setup.
For more power or multi-room expansion, consider the Denon AVR-S770H. If advanced gaming features or Dirac Live calibration are your focus, check the Onkyo TX-NR6100 Review.
You can also learn more about matching amp power and speaker impedance in our technical guide: How Amplifier Wattage Works.
Related Receivers to Consider
Explore our Best AV Receivers Under $1000 roundup for more options including Denon, Yamaha, and Onkyo models compared side by side.
Final Verdict
The Denon AVR-S670H is one of the most balanced entry-level AV receivers in 2025 — compact, feature-rich, and surprisingly musical. It’s a no-fuss performer that delivers Denon’s trademark warmth, 8K HDMI compatibility, and HEOS flexibility in a smaller, smarter package.
Whether you’re upgrading from a soundbar or building a budget home theater, the S670H offers genuine hi-fi sound without unnecessary extras. A true gateway into Denon’s high-quality receiver lineup.