What crossover setting should I use with the SPL-120?

Set your speakers to Small with an 80 Hz crossover: the standard starting point for a receiver and subwoofer, whichever subwoofer you use.

How do I connect the SPL-120 to the RX500A?

Run a subwoofer cable from the RX500A's sub out 1 to the SPL-120's line-level input.

Does the Klipsch SPL-120 work with the Yamaha RX500A?

Verdict

Yes

The SPL-120 has a line-level input, and the RX500A's 2 subwoofer outputs feed it.

Connection

Line-level

Sub out to its LFE input

Sub outputs

On the RX500A

Amplifier

300 W

Built into the SPL-120

How to connect them

Run a subwoofer cable from the RX500A's sub out 1 to the SPL-120's line-level input.
Set speakers to Small with an 80 Hz crossover.
Run Room Correction with its microphone at your seat.

Plan the SPL-120 and RX500A 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

Klipsch SPL-120

Amplifier: 300 W
Low end: 24 Hz
Inputs: Line
MSRP: $600 each (MSRP, September 2026)

All SPL-120 specs and pairings

Yamaha RX500A

Amplifier channels: 7
Subwoofer outputs: 2
MSRP: $600 each (MSRP, May 2026)

All RX500A specs and pairings

Questions about the SPL-120 and RX500A

Does the SPL-120 connect to the RX500A?: Yes. The SPL-120 has a line-level input, and the RX500A's 2 subwoofer outputs feed it.
What crossover setting should I use with the SPL-120?: Set your speakers to Small with an 80 Hz crossover: the standard starting point for a receiver and subwoofer, whichever subwoofer you use.
How do I connect the SPL-120 to the RX500A?: Run a subwoofer cable from the RX500A's sub out 1 to the SPL-120's line-level input.

Swap one of them

Klipsch SPL-120 + Denon AVR-S670HConnects
Klipsch SPL-120 + Denon AVR-X1700HConnects
SVS SB-1000 Pro + Yamaha RX500AConnects
Klipsch R-121SW + Yamaha RX500AConnects

References

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

Brand names are trademarks of their owners. Not affiliated with or endorsed by any manufacturer. 3D models are our approximations. Prices are manufacturer list prices (MSRP) as of the month shown. How we earn from buy links: affiliate disclosure.