Does the AVR-S670H support 7.1?

No. Denon AVR-S670H supports 5 speakers; your layout has 7. Choose a receiver with 7-channel processing, or remove 2 speakers.

How many speakers do I need for 7.1?

7.1 uses 7 speakers and a subwoofer.

Do I need an external amplifier for 7.1 on the AVR-S670H?

An external amplifier can't fix this: denon avr-s670h supports 5 speakers; your layout has 7. choose a receiver with 7-channel processing, or remove 2 speakers.

Can the Denon AVR-S670H run 7.1?

Verdict

Denon AVR-S670H supports 5 speakers; your layout has 7. Denon AVR-S670H has no front pre-outs. Choose a receiver with 7-channel processing, or remove 2 speakers.

Speakers

7 floor, plus a sub

Amp channels

2 short: add a power amp

Processing

2 short of 7

7 floorSubwoofer

Plan 7.1 with the AVR-S670H in your own room.

Draw your room in 3D, place the speakers where they go, and see every connection checked and how it sounds at your seat. Designing is free.

Build it in your room

Other layouts on the AVR-S670H

The AVR-S670H powers 5 speakers and processes 5. In a layout like 7.1.4, the 7 is floor speakers, the 1 a subwoofer and the 4 height speakers.

Questions about the AVR-S670H and 7.1

Does the AVR-S670H support 7.1?: No. Denon AVR-S670H supports 5 speakers; your layout has 7. Choose a receiver with 7-channel processing, or remove 2 speakers.
How many speakers do I need for 7.1?: 7.1 uses 7 speakers and a subwoofer.
Do I need an external amplifier for 7.1 on the AVR-S670H?: An external amplifier can't fix this: denon avr-s670h supports 5 speakers; your layout has 7. choose a receiver with 7-channel processing, or remove 2 speakers.

References for the AVR-S670H

Specs verified against the manufacturer's published data. Last checked September 15, 2026.

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