Specifications
Sonos Beam (Gen 2)
Sound architecture
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Drivers
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3 tweeters (for clear highs and sharp dialogue)
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3 mid-woofers (for warm mid-range frequencies)
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2 passive radiators (for extra layer support)
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Amplifiers
5 digital class D amplifiers (one per driver)
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Dolby Atmos
Support for object-based audio for a spatial experience
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Trueplay™
Automatic room calibration via microphone measurement (iOS/Android)
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Speech Enhancement
Improves the clarity of dialogues in films and series
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Night Sound
Mutes loud sound effects for late-night viewing
Dimensions & Weight
Connections
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HDMI ARC/eARC
One HDMI port (HDMI eARC supports uncompressed Dolby Atmos)
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Optical audio adapter
Included for TVs without HDMI ARC
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WiFi
802.11a/b/g/n (2.4 GHz and 5 GHz)
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Ethernet
1 × 10/100 Mbps port for wired connection
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Bluetooth
Bluetooth Low Energy (BLE) for setup; Bluetoothaudio will be turned off as soon as the Sub 4 is linked
Power & Temperature
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Mains supply
100 – 240 V AC, 50/60 Hz, 1 A universal
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Operating temperature
0°C – 40°C
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Storage temperature
−20 °C – 70 °C
User interface
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Touch control
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Volume up/down: Slide or tap +/−
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Play/Pause: Tap once; press and hold to audio to move to another room
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Next/Previous: Swipe or tap the arrows
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LED indicators
Sonos Sub 4
Sound architecture
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Woofers
Dual 6-inch woofers in a force-cancellation setup for deep, tight bass without vibration
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Amplifiers
2 digital class D amplifiers (one per woofer)
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Enclosure design
Sealed cabinet minimizes resonance for precise bass response
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Frequency range
Reproduces frequencies down to 25 Hz for deep bass
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Trueplay™
Calibration for optimal integration with paired Sonos devicesspeakers; requires iOS device
Dimensions & Weight
Connections and Power
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WiFi
Works via the Sonos network; no direct Wi-Fi configuration required
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Ethernet
1 × 10/100 Mbps port for cabling (optional)
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Mains supply
100 – 240 V AC, 50/60 Hz, internal power supply
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Operating temperature
0°C – 40°C
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Storage temperature
−20 °C – 70 °C
User interface
Contents of the box
Installation & Use
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Placement
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Beam Gen 2: Mount the soundbar under your TV or place it freely on a piece of furniture, just in front of the viewing position.
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Sub 4: Set the subwoofer preferably on the floor or on a stand that distributes the bass evenly throughout the room; avoid tight corners for a cleaner sound.
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Pairing with the Sonos app
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Open the Sonos app (S2) and add the Beam via “Add product”. Follow the instructions for HDMI ARC and microphone settings for Trueplay™.
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Then add the Sub 4 by pressing the pairing button on the subwoofer when prompted by the app. The Sub 4 is automatically integrated into the audio chain Beam.
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Trueplay™ calibration
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Set up voice assistants
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Multiroom integration
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Operation
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Sonos app: Use the app for volume, playlists, streaming services, EQ settings (bass, treble, loudness), Night Sound and Speech Enhancement.
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TV remote control: Thanks to HDMI ARC you can control the volume of the Beam operate with your existing TV remote.
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Touch control (Beam): Tap +/− for volume, swipe for next/previous track, tap Play/Pause.
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Voice commands: Say “Hey Sonos” or “Alexa” (depending on your chosen assistant) to play music, adjust volume, or control smart devices.
Recommendations & Tips
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Placement of the Sub 4: For optimal bass reproduction, place the Sub 4 not directly in a corner, but slightly separate from the walls. Experiment with positioning for minimal vibration in sensitive furniture.
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Trueplay™ at low volumes: Perform the Trueplay™ calibration at a volume setting around 50% so that the speech amplification and bass are adjusted correctly even at normal listening volume.
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Use of Night Sound: Turn on Night Sound when watching movies late at night—this will mute explosions and loud sound effects without missing any dialogue.
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Volume groups: If you want to play music in multiple rooms, create groups in the Sonos app and adjust the relative volume per zone for a balanced experience throughout the home.
With the Premium Entertainment Set with Beam + Sub you are assured of high quality audio, deep bass and a seamless, user-friendly installation. Whether you're watching movies, streaming music or playing games, this set delivers powerful, clear and immersive sound quality that enriches any entertainment experience.