Sonos arc ultra

Arc Ultra

Device type

Smart Speaker

Max power

28.14 W

Standby power

4.45 W

View discovery and setup instructions for this profile.

Powercalc can discover this model automatically (by entity). Look for a discovery prompt in Home Assistant and accept it to create the sensors. About discovery

Through the interface (recommended)

Start the Powercalc config flow, choose Virtual power (library), and pick Sonos → arc ultra.

Open in Home Assistant

Add this to your configuration.yaml, replacing light.my_light with your own entity.

powercalc:
  sensors:
    - entity_id: light.my_light
      manufacturer: sonos
      model: arc ultra

Library sensor documentation

Community usage

67 opted-in installations

1.26% of 5,314 reporting installationsOpt in to analytics

Device

Manufacturer: Sonos
Aliases: S45
Form factor: Soundbar
Connectivity: Wi-Fi, Bluetooth, Ethernet, Infrared
Barcode: 8720862502840
+1 more
Product page: sonos.com

Power

Power range: 4.62 – 28.14 W

Measurement

Calculation strategy: Linear
Measure device: Shelly Plus Plug
Measure method: Script
Measure description: Measured with utils/measure script
Mains voltage: 120 V
Measure settings: SAMPLE_COUNT: 2SLEEP_TIME: 3VERSION: v1.17.19:docker

Library

Created: Aug 30, 2025, 4:58 PM UTC
Updated: Sep 13, 2026, 9:41 AM UTC
Contributors: Josh Barnard
Discovery: Automatic, by entity

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Sonos arc ultra

Arc Ultra

Set up manually instead

Through the interface (recommended)

Or configure with YAML

Device

Power

Measurement

Library

Device

Power

Measurement

Library

Arc Ultra

Set up manually instead

Through the interface .css-bxmwoh{margin:0;font-family:"Roboto","Helvetica","Arial",sans-serif;font-weight:400;font-size:0.875rem;line-height:1.43;letter-spacing:0.01071em;}(recommended)

Or configure with YAML

Or configure with YAML

Device

Power

Measurement

Library

Device

Power

Measurement

Library

Through the interface (recommended)