Denon AVR-S670H vs Marantz Cinema 70s
The Denon AVR-S670H is rated for more power (75 W vs 50 W per channel) and costs less ($649 vs $1,300). The Marantz Cinema 70s decodes Dolby Atmos, powers more speakers (7 vs 5) and processes more channels (7 vs 5).
What each one works with
Checked against every product in our catalogue by the same engine as the compatibility checker.
| AVR-S670H | Cinema 70s | |
|---|---|---|
| Speakers it drives | 82 of 98, 15 after a setting change | 98 of 98 |
| Subwoofers that connect | 17 of 17 | 17 of 17 |
| Largest layouts on its own amps | 5.1 | 5.1.2, 7.1 |
Specs side by side
Values that differ are bold. A dash means that model doesn't publish the spec.
| AVR-S670H | Cinema 70s | |
|---|---|---|
| Amplifier channels | 5 | 7 |
| Processing channels | 5 | 7 |
| Height formats | None | Dolby Atmos, DTS:X |
| Power | 75 W at 8 Ω | 50 W at 8 Ω |
| Room correction | Audyssey MultEQ | Audyssey MultEQ XT |
| Size | 17×6×13 in | 17×4×15 in |
| Lowest speaker impedance | 4 Ω | 4 Ω |
| Impedance setting | 8 Ω, 6 Ω, 4 Ω | — |
| Subwoofer outputs | 2 | 2 |
| Weight | 7.8 kg (17.2 lb) | 8.71 kg (19.2 lb) |
| MSRP | $649 each (MSRP, September 2026) | $1,300 each (MSRP, September 2026) |
Every spec and pairing: Denon AVR-S670H, Marantz Cinema 70s.
Try either one in your own room.
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References
- Denon AVR-S670H: Spec sheet, denon.com, retrieved September 15, 2026
- Denon AVR-S670H: Manufacturer product page, denon.com, retrieved September 15, 2026
- Denon AVR-S670H: Owner's manual, manuals.denon.com, retrieved September 15, 2026
- Denon AVR-S670H: Dimensional drawing, manuals.denon.com, retrieved September 15, 2026
- Marantz Cinema 70s: Spec sheet, snapav.com, retrieved September 15, 2026
- Marantz Cinema 70s: Manufacturer product page, marantz.com, retrieved September 15, 2026
- Marantz Cinema 70s: Manufacturer product page, marantz.com, retrieved September 15, 2026 (2)
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