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Sub 4
Premium Wireless Subwoofer
Sub 4 unlocks the full power of Sonos sound to immerse you deeper in every scene and song.
Dual orientation
WiFi
Pulse-pounding power
Dual Sonos-engineered drivers generate deep, dynamic low end. The ported enclosure enhances the bass response and low-frequency output so you feel every beat, roar, and rumble in your chest.
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Transform your home theatre experience
Pair Sub 4 with Sonos Arc Ultra, Arc, or Beam for dramatically richer bass, clearer highs, and deeper immersion in all your entertainment.1
Bring music to life
Discern every subtle detail and enjoy a more spacious soundstage when you pair Sub 4 with Sonos Five, Era 300, or Era 100.1
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No buzz or rattle
The acoustic architecture creates a force-cancelling effect that virtually eliminates distortion.
Better sound all around
Sub 4 takes over the lowest frequencies so your paired soundbar or speakers can deliver high and mid frequencies with even greater clarity and precision.
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Perfectly tuned for the room
Trueplay™ optimizes the sound for the unique acoustics of your space so the bass never sounds harsh, muddy, or flat — even if you place Sub 4 next to the wall or lay it flat and put it under your sofa.
Iconic design
Made to be seen, heard, and felt. Sub 4 features an elegant sculptural shape and updated matte finish that perfectly matches your paired Sonos soundbar or speaker.
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Plug and play
Simply plug in the power cable and open the Sonos app to quickly add Sub 4 to your system.
Place it where you want
Sub 4 connects to your system over WiFi, so you can place it where it fits and looks best in the room.
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Compatible products
- Arc Ultra
- Arc
- Beam (Gen 2)
- Beam (Gen 1)
- Ray
- Five
- Era 300
- Era 100
Double the drama
Pair two subwoofers with Arc Ultra for bass so deep and sound so immersive, you'll forget you're at home and not in an actual theatre.1
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Dive into the difference
Discover the new elements of Sub 4
Next Gen Ready
Featuring updated internal electronics, including a faster processor, more memory, and a new WiFi 6 Radio—the Sub 4 is our most sophisticated Sub yet.
Sustainable Power
Showcasing a greener product design, Sub 4 reduces idle power consumption by up to 50%.
Tech Specs
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-cancelling 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
FAQ
Product Guide
Which Sonos subwoofer is right for you?
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Sub 4
Recommended for Arc Ultra, Arc, Beam, Era 300, Five, Amp
Best for a medium-sized or large room
26 lb (11.79 kg)
Matte finish
Position upright or flat
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Sub (Gen 3)
Recommended for Arc Ultra, Arc, Beam, Era 300, Five, Amp
Best for a medium-sized or large room
29 lbs (13.15 kg)
High-gloss finish
Position upright or flat
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Sub Mini
Recommended for Beam, Ray, Era 100, One, One SL, Amp*
Best for a small or medium-sized room
14 lbs (6.35 kg)
Matte finish
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*With small bookshelf speakers
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