Sonos Arc Ultra Soundbar
- Number Of Audio Channels: 9.1.4
- Audio Output Mode: Surround
- Connectivity Protocol: Wi-Fi
- Wireless Technology: Bluetooth, Wi-Fi
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A single-cabinet soundbar with a 9.1.4 channel layout and HDMI, Bluetooth and Wi-Fi connections, built for tabletop placement rather than wall mounting.
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ASIN: B0DFK28LBBModel: ARCG2Category: Soundbars
Overview
The Sonos ARCG2US1BLK is a 9.1.4-channel tabletop soundbar for TV audio, connecting over HDMI, Bluetooth or Wi-Fi. It sits on a shelf or console rather than mounting to a wall, at just over 46 inches wide.
A 9.1.4 channel count packed into one cabinet is an ambitious layout for a single bar, since side and height channels come from drivers built into the unit rather than added later as separate speakers. That simplifies setup compared with a multi-piece system, though it trades away the wider soundstage a true multi-speaker layout can offer. HDMI handles the TV pairing while Bluetooth and Wi-Fi cover wireless streaming, so it can double as a music speaker between shows.
- 9.1.4-channel single-bar layout
- HDMI, Bluetooth and Wi-Fi connectivity
- Tabletop mount, 46.18 in wide
- 12.7 lb, black finish
Who it's for
Fits owners who want one box handling TV sound without running wire to rear or ceiling speakers. Suited to a shelf or media console setup rather than a wall-mounted TV, since the bar is meant to sit flat. Less suited to anyone set on a discrete surround system with separate satellite speakers.
Pros and cons
- Single cabinet covers 9.1.4 channels without extra speakers
- Three connection paths: HDMI, Bluetooth and Wi-Fi
- Tabletop design skips wall-mount hardware
- No wall-mount option listed for this configuration
- Wide 46-inch cabinet needs shelf or console space
- No separate subwoofer included in this listing
Performance notes
The 9.1.4 designation covers left, right, center and side channels plus four height channels, all generated from drivers inside the single cabinet. HDMI handles the TV connection while Bluetooth and Wi-Fi cover wireless streaming, giving three separate ways to get audio into the bar. At 46.18 inches wide and 12.7 lb, it is built to sit on furniture rather than hang on a wall.
Specifications
| Brand | Sonos |
|---|---|
| Model | ARCG2 |
| Dimensions & fit | |
| Speaker Size | 46.2 inches |
| Weight | 12.7 poundshigher than 62% of 40 soundbars |
| Item Dimensions D X W X H | 4.3 × 46.2 × 3.1 inches |
| Capacity & performance | |
| Audio Output Mode | Surround |
| Power & efficiency | |
| Power Source | Corded Electric |
| Input Voltage | 240 volts |
| Construction & materials | |
| Color | Black |
| Enclosure Material | Metal |
| Compatibility & installation | |
| Connectivity Protocol | Wi-Fi |
| Subwoofer Connectivity Technology | Wired |
| Mounting Type | Tabletop Mount |
| Connectivity Technology | Bluetooth, HDMI, Wi-Fi |
| Compatible Devices | Desktop, Laptop, MP3 Player, Projector, Smartphone, Tablet, Television |
| Included components | |
| Unit Count | 1 |
| Warranty & support | |
| Warranty Description | 1 year |
| Warranty Type | Limited |
| Other details | |
| Number Of Audio Channels | 9.1.4 |
| Wireless Technology | Bluetooth, Wi-Fi |
| Speaker Type | Soundbar |
| Control Type | App, Voice |
| Is Waterproof | No |
| Audio Driver Type | Dynamic Driver |
| Number Of Items | 1 |
| Mp3 Player | No |
| Builtin Media | Power Cable, Quick Start Guide |
| Additional Features | Built In Microphone, Dolby Enabled, Hi Res Audio, Multi Room Audio |
| Specific Uses For Product | Travel,Party,Gaming,Business |
| Antenna Location | For Surround Sound Systems,For Televisions,For Gaming Consoles,For Music Players,For Computers |
| Controller Type | App Control |
Closest rivals on specs
Philips B6309 2.1 Channel Soundbar- Weight 12.7 vs 9.48 pounds (+34%)
- Speaker Size 46.2 vs 31.9 inches (+45%)
SYLVOX Outdoor Soundbar 38 Inch- Weight 12.7 vs 4.4 pounds (+189%)
- Speaker Size 46.2 vs 38 inches (+22%)
Frequently asked questions
What channel layout does the Sonos ARCG2US1BLK use?
It is built as a 9.1.4-channel soundbar, with all channels generated from drivers in the single cabinet.
How does the Sonos ARCG2US1BLK connect to a TV?
Over HDMI for the TV link, plus Bluetooth and Wi-Fi for wireless streaming.
Can the Sonos ARCG2US1BLK be wall mounted?
This listing specifies tabletop mounting; no wall-mount hardware is included in the data here.