Will the AVR-S770H damage the Reserve R100?

No. The AVR-S770H is rated for the Reserve R100's 8 Ω load as it comes.

What impedance setting should I use for the Reserve R100 on the AVR-S770H?

None: the Reserve R100 is 8 Ω, and the AVR-S770H needs no change for it.

Is the AVR-S770H powerful enough for the Reserve R100?

Comfortable. From a seat 2 m away, loud 95 dB movie peaks take about 32 W per speaker, and the AVR-S770H is rated 75 W per channel. Cinema reference level, 105 dB peaks, takes about 318 W.

Does the Polk Reserve R100 work with the Denon AVR-S770H?

Verdict

Yes

The Reserve R100 is 8 Ω, and the AVR-S770H is rated for speakers down to 4 Ω, so it drives them as is.

Speaker load

8 Ω speaker, rated down to 4 Ω

Power

75 W

Comfortable. About 32 W gives 95 dB peaks at 2 m

How to connect them

Connect the Reserve R100 speakers to the AVR-S770H's front terminals with speaker wire.
Run Audyssey MultEQ with its microphone at your seat.

Plan the Reserve R100 and AVR-S770H in your own room.

Draw your room in 3D, place both, and see every connection checked and how loud they play at your seat. Designing is free.

Build it in your room

The specs that decide it

Polk Reserve R100

Impedance: 8 Ω
Sensitivity: 86 dB (2.83 V, 1 m)
Recommended amplifier power: 30–150 W
MSRP: $699 a pair (MSRP, September 2026)

All Reserve R100 specs and pairings

Denon AVR-S770H

Amplifier channels: 7
Height formats: Dolby Atmos, DTS:X
Lowest speaker impedance: 4 Ω
MSRP: $749 each (MSRP, September 2026)

All AVR-S770H specs and pairings

Questions about the Reserve R100 and AVR-S770H

Does the Reserve R100 work with the AVR-S770H?: Yes. The Reserve R100 is 8 Ω, and the AVR-S770H is rated for speakers down to 4 Ω, so it drives them as is.
Will the AVR-S770H damage the Reserve R100?: No. The AVR-S770H is rated for the Reserve R100's 8 Ω load as it comes.
What impedance setting should I use for the Reserve R100 on the AVR-S770H?: None: the Reserve R100 is 8 Ω, and the AVR-S770H needs no change for it.
Is the AVR-S770H powerful enough for the Reserve R100?: Comfortable. From a seat 2 m away, loud 95 dB movie peaks take about 32 W per speaker, and the AVR-S770H is rated 75 W per channel. Cinema reference level, 105 dB peaks, takes about 318 W.

Swap one of them

Polk Reserve R100 + Onkyo TX-NR6100Works
Polk Reserve R100 + Yamaha RX-V6AWorks
KEF Q1 Meta + Denon AVR-S770HNeeds a setting change
Klipsch RP-600M II + Denon AVR-S770HWorks

References

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

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