Onkyo TX-RZ30

AV receiver · RZ Series series

Drag to turn the model. It is built from the published dimensions, not a photo.

The Onkyo TX-RZ30 is a 9-channel AV receiver rated 100 W per channel at 8 Ω (2 channels driven), with Dolby Atmos and DTS:X decoding. It drives speakers down to 4 Ω and has 2 subwoofer outputs.

Decodes surround sound, switches inputs and powers your speakers.

$1,000 each (MSRP, September 2025)

We earn a commission when you buy through these links. It never affects which products we show or recommend. Disclosure

Speakers the TX-RZ30 can drive

Each pairing is checked by our compatibility engine: the speaker's impedance against this amplifier's rated minimum, and height decoding for height speakers. Whether it plays loud enough depends on how far you sit, which the 3D editor works out for your room.

Rated to drive them (81)

Works after a setting change (17)

Set the receiver to 4 Ω in its speaker setup.

Subwoofers for the TX-RZ30

Each pairing is checked by our compatibility engine against the unit's subwoofer outputs and the subwoofer's inputs.

Connects (17)

TX-RZ30 specifications

Amplifier channels9
Processing channels9
Height formatsDolby Atmos, DTS:X
Power100 W at 8 Ω
Room correctionDirac Live
Size17×7×15 in
Lowest speaker impedance4 Ω
Impedance setting6 Ω, 4 Ω
Subwoofer outputs2
Speaker layouts7.1.2
Weight11.5 kg (25.4 lb)
MSRP$1,000 each (MSRP, September 2025)

Every value comes from the sources under References, last retrieved September 15, 2026. To check it against the rest of your system, use the compatibility checker.

Questions about the TX-RZ30

How many speakers can the TX-RZ30 power?
The Onkyo TX-RZ30 has 9 amplified channels. Its manual lists these layouts: 7.1.2.
Can the TX-RZ30 drive 4 ohm speakers?
Yes. It is rated for speakers down to 4 Ω; set its speaker impedance setting to 4 Ω first.
How many watts per channel is the TX-RZ30?
100 W per channel into 8 Ω, measured from 20 Hz to 20 kHz with 2 channels driven at 0.08% THD.
Does the TX-RZ30 support Dolby Atmos?
Yes. It decodes Dolby Atmos and DTS:X.
How many subwoofer outputs does the TX-RZ30 have?
2 subwoofer outputs. Room correction is Dirac Live.

Similar products

References

  1. Onkyo TX-RZ30: Owner's manual, assets.onkyo-av.com, retrieved September 15, 2026
  2. Onkyo TX-RZ30: Retailer listing, web.archive.org, retrieved 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.