Sub 4 unlocks the full power of Sonos sound to immerse you deeper in every scene and song.
A sound choice for a more sustainable future
The Sonos Certified Refurbished program is key to our sustainability efforts, helping minimize waste and extend the life of our products.
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Serviceability
We’re designing products that are easier to disassemble so they can be more efficiently repaired and reused.
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Circularity
By incorporating recycled materials in new products and refurbishing existing ones, we’re amplifying a circular economy.
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Recyclability
We’re eliminating plastic from our packaging in favor of paper that’s responsibly sourced and completely recyclable.
You shop, we donate
We donate 1% of Certified Refurbished sales to high-impact nonprofits focused on environmental preservation and restoration, including Rainforest Connection.
Certified Sonos quality
Every refurbished product undergoes thorough testing to guarantee it’s good as new and includes:
The same one-year warranty as a brand new product
All accessories, manuals, and other documentation
Pristine packaging and necessary replacement parts
Tech Specs
- Audio
- Details + Dimensions
- Power + Connectivity
- Box Contents
- Requirements
- Downloads
Amplifiers
Dual Class-D digital amplifiers perfectly tuned to the subwoofer’s unique acoustic architecture.
Woofers
Dual 5″ x 8″ elliptical woofers face inward for a force-canceling effect that virtually eliminates distortion.
Architecture
Ported cabinet enhances bass response.
Frequency Response
As low as 25 Hz
EQ
Audio settings automatically equalize to balance Sub 4 and the paired Sonos speaker(s). Use the Sonos app to adjust bass, treble, and loudness.
Trueplay
This software measures the acoustics of the room then fine-tunes your Sonos system.
Learn more
Released
Originally released October 2024
Dimensions
Height: 15.31 in (389 mm)
Width: 15.83 in (402 mm)
Depth: 6.22 in (158 mm)
Weight
25.99 lbs (11.79 kg)
Colors
Black, White
Finish
Matte
Join Button
Press once to add Sub 4 to your system during setup.
WiFi
Connects to any 802.11a/b/g/n/ac/ax 2.4/5 GHz broadcast-capable router.
Learn more
Ethernet
10/100 port for hardwiring to your router
Voltage
100-240V 50/60Hz internal power supply
CPU
Quad Core
4xA55 1.9GHz
Memory
512 MB DDR4
4GB eMMC
Operating Temperature
32°F to 104°F
(0°C to 40°C)
Sonos Sub 4
Power Cable I
Length: 6 ft (2 m)
Learn more
Documentation
Quickstart Guide and legal/warranty information
WiFi
Internet connection
Power Source
Nearby electrical outlet
Sonos app
The latest generation of the Sonos app running on a compatible device
Learn more
Sonos product
A compatible amplified non-portable product, such as Arc Ultra or Era 300
Learn more
