• Each speaker is driven by a digital amplifier (5 Class-D amplifiers).
• Wireless (Wi-Fi) and wired (LAN) connection to the SONOS system. Apple AirPlay 2 for direct content transfer (e.g., YouTube) from an Apple device to the SONOS system. Supports TRUEPLAY room acoustic correction software (via iOS devices). Touch button control and synchronization with the TV remote. Connects to the TV via HDMI eARC (or using the included Optical adaptor). If the TV supports CEC connection, it allows control of ON/OFF functions and volume adjustment, with voice commands.
• PCM Stereo, Dolby Digital, Dolby Digital 5.1 & Dolby Atmos decoding.
• Digital sound control DSP, automatic equalizer, Night Mode, Dialogue Enhancement mode. When combined with the SONOS SUB, it creates a 3.1 system, and with 2 Rear Surround units (ONE, ONE SL, or PLAY:5), it forms a 5.1 home theater system.
• Features 5 built-in microphones (with a mute button, indicator LED, and advanced noise reduction software to detect voice commands even in noisy environments) for voice control of the SONOS system and other home automation devices via Amazon Alexa and Google Assistant. Available in white & black colors.

Power that hits the beat.

The design enhances bass response and low-frequency performance, so you feel every thump, roar, and rumble in your chest.

Transform your home theatre experience.

Connect the Sub 4 with the Sonos Arc Ultra, Arc, or Beam for dramatically richer bass, elevating your entertainment.

Bring music to life.

Hear every small detail and enjoy a more spacious soundstage when you connect the Sub 4 with the Sonos Five, Era 300, or Era 100.

No hum or rattling.

The acoustic architecture creates a force-canceling effect that effectively eliminates distortion.

Better sound everywhere.

The Sub 4 handles the lowest frequencies, allowing your connected soundbar or speakers to deliver high and mid-range frequencies with even greater clarity and precision.

Perfectly tuned for your room.

Trueplay™ optimizes the sound for your unique room acoustics, so bass never sounds harsh or flat—even if you place the Sub 4 next to a wall or under your sofa, flat.

Iconic design.

Made to look, sound, and feel great. The Sub 4 features a sleek sculptural shape and updated matte finish that perfectly matches your connected Sonos soundbar or speaker.

Connect and play.

Simply plug in the power cable and open the Sonos app to quickly add the Sub 4 to your system.

Place it anywhere you want.

The Sub 4 connects to your system via WiFi, so you can position it wherever fits best and looks best in your space.