Description
Arc Ultra Soundbar – 9.1.4 Dolby Atmos with Sound Motion™
Delivers 14 drivers—including the innovative Sound Motion woofer—for a richly immersive Dolby Atmos experience with enhanced bass and clarity:contentReference[oaicite:0]{index=0}.
Sub Gen 4 Wireless Subwoofer
Dual 5″ × 8″ force-canceling woofers in a ported enclosure provide visceral low-end extension down to ~25 Hz:contentReference[oaicite:1]{index=1}.
Two Sonos Era 300 Speakers as Surrounds
Compact spatial-audio speakers—each with six Class-D amplifiers—serve as seamless surround and height channels in the immersive soundscape:contentReference[oaicite:2]{index=2}.
Ultimate Immersive Bundle
This premium set delivers full 5.1 surround sound, Dolby Atmos, Wi-Fi streaming, HDMI eARC, Trueplay tuning, speech enhancement, and easy expandability within the Sonos ecosystem:contentReference[oaicite:3]{index=3}.
Community Feedback
A user on r/sonos calls this “a beast of a home theatre system” with easy setup and “insane” performance:contentReference[oaicite:4]{index=4}.
| Specification | Details |
|---|---|
| Brand | Sonos |
| Model | Arc Ultra + Era 300 + Sub Gen 4 Bundle |
| System Type | Premium 5.1 Wireless Home Theatre System |
| Soundbar | Sonos Arc Ultra – Dolby Atmos Enabled |
| Surround Speakers | 2 Ă— Sonos Era 300 Wireless Speakers |
| Subwoofer | Sonos Sub Gen 4 – Deep Bass |
| Connectivity | Wi-Fi, HDMI eARC, Ethernet |
| Voice Control | Amazon Alexa, Google Assistant, Sonos Voice Control |
| Audio Features | Dolby Atmos, Trueplay Tuning, Multi-Room Audio |
| Finish | Matte Black |
| Dimensions (Arc) | 1141.7 Ă— 87 Ă— 115.7 mm |
| Dimensions (Era 300) | 160 Ă— 260 Ă— 185 mm each |
| Dimensions (Sub Gen 4) | 389 Ă— 402 Ă— 158 mm |
| Weight | Arc: 6.25 kg, Era 300: 4.47 kg each, Sub: 16 kg |
| Warranty | 1 Year Manufacturer Warranty |







