
Sonos Arc Ultra
Score: 89/100
Klipsch Reference Cinema Bundle
Score: 91/100Rankings

The Klipsch Reference Cinema bundle with an Onkyo TX-RZ30 receiver offers a premium 5.1.4 Dolby Atmos experience, combining high-efficiency speakers, a powerful subwoofer, and advanced 8K-ready video and room-correction features. Its size, weight, and complex calibration may deter casual users.

The Sonos Arc Ultra paired with the Sub 4 delivers a premium 9.1.4 Dolby Atmos home-theater experience, featuring extensive codec support, Trueplay calibration, and sleek matte design. It excels in immersive audio and connectivity but is limited by a single HDMI port and the heft of the subwoofer.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 170 wattsbest | |
— | 92 dBbest | |
— | 103 dBbest | |
— | 28 Hzbest | |
— | 20,000 Hzbest | |
— | 9.2best | |
| ↓ lower better | 5.9 kgbest | 53 kg |
1 count | 7 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Physical Specs(1) | ||
Weight (kg) | 5.9 kg | 53 kg |
Connectivity(2) | ||
Bluetooth Version | 5.3 | 5.0 |
HDMI Inputs (count) | 1 count | 7 count |
Audio Performance(1) | ||
Supported Audio Formats | Dolby Atmos, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Multichannel PCM, Stereo PCM, DTS Digital Surround | Dolby Atmos, DTS:X, IMAX Enhanced, Auro-3D |
Design & Build(1) | ||
Finish | matte | Black |


Products in the top-left offer the best value (high score, low price).

Reviewers praise the Arc Ultra for its clean, precise, three-dimensional soundstage and deep bass, while noting the lack of HDMI inputs and limited DTS support.
Users love the crystal-clear dialogue, powerful bass and seamless Sonos integration, but many mention the missing HDMI inputs and the Sub 4's weight.

Professional reviewers highlight the bundle's ultra-wide 5 Hz-100 kHz receiver bandwidth, Dirac Live full-bandroom correction, and the efficiency of Klipsch's Tractrix horn design, while cautioning that the system's size, calibration complexity, and basic remote may deter some users.
Everyday users rave about the immersive soundstage, deep tight bass, and easy Optimize Mode setup, but complain about the heavy package, time-consuming Dirac calibration, and limited remote functionality.
“Rich, detailed, spatially expansive sound with deep, tuneful bass.”

“Sleek matte design that blends into modern living spaces.”

“Bluetooth 5.3 and AirPlay 2 make streaming a breeze.”


