Sonos Sub 4 adds deep bass to a compatible Sonos soundbar or speaker system. Its two inward-facing 5 × 8-inch woofers use a force-cancelling arrangement to reduce cabinet vibration, while the ported enclosure supports bass reaching as low as 25 Hz.

• One Sub 4 in matte White, powered by dual Class-D amplifiers.
• Pairs with compatible Sonos products, including Arc Ultra, Arc and Beam. Check compatibility with your exact Sonos system before purchase.
• Connects over WiFi, with an Ethernet connection also available.
• Place it upright or on its side to suit your room.
• Adjust bass and other supported settings through the Sonos app; compatible Trueplay tuning can optimise the paired system for the room.
• Includes a power cable and documentation. No specific regional plug is promised.

A compatible Sonos soundbar or speaker, WiFi internet, a compatible device running the Sonos app and a nearby power outlet are required. The TV, soundbar, other speakers and furniture in room photographs are not included.