Sonos Sub Wireless Subwoofer - Gen. 3

Item #SO:SUB-GEN3
Sonos

Sonos Sub Wireless Subwoofer - Gen. 3

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Overview

Hear and feel the difference with Sub, the wireless subwoofer for deep bass. Experience lower lows and higher highs when you connect Sub to your Sonos system over WiFi. Place the award-winning design upright or lay it on its side and enjoy pure bass with no vibration or rattle.

High Notes

Huge Bass, Compact Cabinet

Dual driver system delivers awesome deep bass

Place Anywhere

Software allows you to put it anywhere in the room, even lying flat under a couch

Trueplay Tuning

Trueplay fine-tunes the Sub to both your room and the speakers you are pairing with it. The acoustic adjustments Trueplay does are similar to what you might get in a very high-end home theater receiver, pretty amazing for the price

Company & Product Overview

When California-based Sonos introduced a radical new way to experience music almost 20 years ago no one knew at that time they would grow to become the standard in high-performance wireless sound and speakers. Their simple line of products has appealed to music lovers who want to experience the world of streaming audio with ease of use and great sound. 

When Sonos entered the home theater market with soundbars, they once again changed the way people thought about soundbars with their extraordinary sounding products that could also be part of your music system.

Sonos first introduced a wireless subwoofer in 2012. Today’s brand new Sub is the third generation of this great addition for any Sonos system.

Design & Build Quality

The new Sonos Sub is designed to augment the bass of any Sonos speaker or can even be used with your own speakers if you are powering them with the Sonos Amp. You will have a choice of a beautiful gloss black or gloss white finish. The Sub is roughly 15” high by 16” wide and about 6” deep. You will certainly want to bend your knees when you move it around as it weighs 36 pounds. 

The relatively thin cabinet design of the Sonos Sub allows you to hide it in many applications or you even have the option of laying it on its side if necessary. 

We really like the physical appearance of the Sub with its rounded corners and cut-out in the center for the dual bass drivers. Unlike most black box subwoofers, the Sonos Sub looks much more finished and refined to our eyes. 

Build quality is like all things Sonos, just top-notch. Sonos is one of those rare companies that actually tests each and every product as it comes off its production line. Before a product makes it into production it goes through a series battery of stress tests as well. This is a big reason Sonos products have our lowest failure rate of anything we sell at Audio Advice.

sonos arc and sub setup

Features & Technology

The Sub uses two oval, racetrack-shaped drivers that face inward. This force canceling design assures you the cabinet will never rattle even when you crank things up loudly. Sonos powers each subwoofer driver with an individual amplifier designed to bring out the best from the dual speaker design. The new version of the Sonos Sub has much more internal memory and a faster processor that will allow Sonos to send out future performance enhancements through system updates.

One thing that is very important when blending a subwoofer to a system is getting the crossover point set correctly. That is the musical frequency where the bass transitions to the subwoofer and the mids and highs go to the main speakers. Done properly, you can perfectly blend a subwoofer with your speakers, however, if you set the crossover too high or low, the results can be very bad sound.

What is so cool about adding the Sonos sub to an existing Sonos system is that for most cases, when the speakers are all Sonos, the app knows what you are matching up to the subwoofer and the Sonos software knows the rough range for the crossover point. But the real magic happens with Trueplay. This will play about a 3 minute series of test tones and their software will figure out the perfect crossover point and adjust the volume of each speaker. 

Trueplay even works if you are using your own speakers with the Sonos Amp and Sub. Should you wish to fine-tune the level of the sub to your own tastes, simply open up the app and you’ll have a volume level adjustment at your fingertips!

sonos sub on floor in room setting

Performance

We’ve tested the Sub in a variety of setups using the Arc, the new Arc Dolby Atmos soundbar, with a pair of the Sonos Fives, and with many different speakers paired up to a Sonos Amp

From music to movies, the Sub delivers great bass that is well defined and quite impactful. Sonos claims the Sub can reach down to 25Hz which is pretty amazing for its size, (although we are not sure how many dB down it is at that point). The bass is never boomy and always adds that bottom end fill that makes movies and music more fun.

By taking the bass away from your main speakers, the midrange also opens up which we especially noticed on the Sonos Five and when using other stereo speakers with the Sonos Amp.

Overall Recommendation

Bass is the foundation of music. Our advice is the Sub will improve any Sonos system out there. Add it, run TruePlay, and enjoy music and movies at a level you were not expecting!

Details & Specs

No buzz, just bass

Two force-canceling drivers at the center of Sub eliminate vibration and rattle so you get powerful bass without any distortion.

Made to be seen and heard

The award-winning and versatile design features a slim, sculptural shape and high-gloss finish. Stand Sub upright or lay it on its side.

Lower lows and higher highs

Sub takes over the lowest frequencies, enhancing the midrange playback from paired speakers so you experience fuller, more detailed sound.

More immersive entertainment

Connect Sub to Arc or Beam, and enjoy TV, movies, and video games like never before. Add a pair of One SL surrounds for an even more immersive home theater experience.

The latest technology

Increased memory and processing power ensure the best possible performance and prepare Sub for future updates.

Masterfully engineered

Sub's sound ports strategically force the internal energy out of the cabinet to prevent muffling while the specially developed resin resists vibration.

Customized sound

Trueplay™ puts the speaker-tuning capability of recording pros in the palm of your hands and optimizes the sound for the room.

Simple setup

Go from unboxing to listening in minutes. Just plug in the power cord and open the Sonos app.

Automatic software updates

Experience better sound, new integrations, enhanced security, and more reliability with regular platform updates.

WiFi

Stream via your WiFi network, and wirelessly connect more Sonos speakers to expand your sound system.

Expand your sound system
When you're ready, wirelessly connect more Sonos speakers and enjoy listening in more rooms.

  • Deep bass for music, home theater, and more
  • Two force-canceling drivers deliver pure bass with no rattle or distortion
  • Award-winning, versatile design can stand upright or be laid flat
  • Simple to connect to any Sonos system over WiFi

Specifications

  • Two Class-D digital amplifiers perfectly tuned to the acoustic architecture.
  • Two force-canceling drivers face inward for powerful bass without any cabinet buzz or rattle.
  • Dual acoustic ports precisely tuned to enhance performance.
  • Frequency response as low as 25 Hz.
  • Audio settings automatically equalize to balance Sub and the paired Sonos speaker(s) or component.
  • Trueplay™ software dynamically tunes to the unique acoustics of the room. iOS device required.
  • Adjustable EQ settings in the app.
  • Status LED: Indicates the power and connection status.
  • Join Button: Hold to set up and pair with your system.
  • Operating Temperature: 32°F to 104°F (0°C to 40°C)
  • Storage Temperature: -4°F to 158°F (-20°C to 70°C)
  • Power supply: Auto-switching 100-240 V, 50-60 Hz AC universal input.
  • Ethernet Port: 1 10/100 Mbps ethernet port. Wire directly to your router if WiFi is unreliable.
  • WiFi: Connects to WiFi network with any 802.11a/b/g/n/ac 2.4 or 5 GHz broadcast-capable router.
  • Sonos S2: Download the latest generation of the app to set up and control.
  • CPU: Quad Core 1.5 GHz
  • Memory: 256 MB SDRAM, 256 MB NAND Flash

Approximate Dimensions

  • Length: 15.3"
  • Height: 15.8"
  • Depth: 6.2"

Approximate Weight

  • Unit: 36.3 lbs
  • Shipping: 38 lbs

Warranty Information

  • Manufacturer Warranty (authorized online retailer): One Year Parts and Labor
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