Sonos Sub Generation 4 (Black)

Dual Sonos-engineered drivers generate deep, dynamic bass
Ported enclosure enhances the bass response and low-frequency output
Transform your home theater experience when you pair with Sonos Arc Ultra, Arc, or Beam
Force-canceling acoustic architecture virtually eliminates distortion, buzz, and rattle
Iconic sculptural design and updated matte finish that matches your Sonos system
Reliably connects to your Sonos soundbar or speaker over WiFi for flexible placement options