Sub 4
Premium Wireless Subwoofer
Sub 4 unlocks the full power of Sonos sound to immerse you deeper in every scene and song.
Pair Sub 4 with your Sonos soundbar or speaker for a difference you can hear and feel.1 Dual force-cancelling woofers deliver pulse-pounding bass and virtually eliminate distortion. Updated with a matte finish, the iconic design looks great in your home. Set it up in minutes — just plug in the power cable and open the Sonos app. Sub 4 connects to your system through WiFi, so you can put it where it looks and fits best in the room. Stand it upright or lay it on its side and hide it under your sofa. Pair two with Arc Ultra or Arc for bass so deep and sound so cinematic, you’ll forget you’re not in an actual theatre.
Tech Specs
Amplifiers
Both Class-D digital amplifiers have been perfectly tuned to the unique acoustic architecture.
Adjustable EQ
Audio settings automatically equalise to balance Sub and the paired Sonos speaker(s) or component. Use the Sonos app to adjust bass, treble and loudness.
Ports
Dual acoustic ports have been precisely tuned to enhance performance.
Trueplay
This software measures the acoustics of the room then fine-tunes your Sonos system. Supported iOS device required.
Frequency Response
As low as 25 Hz
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