Will the AVR-X1700H damage the SS-CS5?

No. The AVR-X1700H is rated for the SS-CS5's 6 Ω load as it comes.

What impedance setting should I use for the SS-CS5 on the AVR-X1700H?

None: the SS-CS5 is 6 Ω, and the AVR-X1700H needs no change for it.

Is the AVR-X1700H powerful enough for the SS-CS5?

More than you need. From a seat 2 m away, loud 95 dB movie peaks take about 26 W per speaker, and the AVR-X1700H is rated 80 W per channel. Cinema reference level, 105 dB peaks, takes about 253 W.

Does the Sony SS-CS5 work with the Denon AVR-X1700H?

Verdict

Yes

The SS-CS5 is 6 Ω, and the AVR-X1700H is rated for speakers down to 4 Ω, so it drives them as is.

Speaker load

6 Ω speaker, rated down to 4 Ω

Power

80 W

More than you need. About 26 W gives 95 dB peaks at 2 m

How to connect them

Connect the SS-CS5 speakers to the AVR-X1700H's front terminals with speaker wire.
In the AVR-X1700H's speaker setup, set speaker impedance to 6 Ω.
Run Audyssey MultEQ XT with its microphone at your seat.

Plan the SS-CS5 and AVR-X1700H 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

Sony SS-CS5

Impedance: 6 Ω
Sensitivity: 87 dB (2.83 V, 1 m)
MSRP: $168 a pair (MSRP, December 2021)

All SS-CS5 specs and pairings

Denon AVR-X1700H

Amplifier channels: 7
Height formats: Dolby Atmos, DTS:X
Lowest speaker impedance: 4 Ω
MSRP: $649 each (MSRP, September 2026)

All AVR-X1700H specs and pairings

Questions about the SS-CS5 and AVR-X1700H

Does the SS-CS5 work with the AVR-X1700H?: Yes. The SS-CS5 is 6 Ω, and the AVR-X1700H is rated for speakers down to 4 Ω, so it drives them as is.
Will the AVR-X1700H damage the SS-CS5?: No. The AVR-X1700H is rated for the SS-CS5's 6 Ω load as it comes.
What impedance setting should I use for the SS-CS5 on the AVR-X1700H?: None: the SS-CS5 is 6 Ω, and the AVR-X1700H needs no change for it.
Is the AVR-X1700H powerful enough for the SS-CS5?: More than you need. From a seat 2 m away, loud 95 dB movie peaks take about 26 W per speaker, and the AVR-X1700H is rated 80 W per channel. Cinema reference level, 105 dB peaks, takes about 253 W.

Swap one of them

Sony SS-CS5 + Denon AVR-S670HWorks
Sony SS-CS5 + Monoprice M7100XWorks
Sony SS-CS8 + Denon AVR-X1700HWorks
Polk Monitor XT15 + Denon AVR-X1700HWorks

References

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

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