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Lowest price we've seen: $1,897.00 on Nov 12 at Walmart. Tracked across 11 stores since Nov 12.
Ultimate Immersive Set with Arc Ultra (Arc Ultra + Sub 4 + 2x Era 300) Turn your living room into a premium Dolby Atmos home theater with Sonos’ most immersive surround bundle. Arc Ultra anchors your system with a powerful, sleek smart soundbar designed for ultra-precise spatial audio, clearer dialogue, and room-filling detail—while Sub 4 delivers deep, force-canceling bass you can feel without the buzz or rattle. Add the Era 300 pair as rear surrounds to expand the soundstage with stunning separation and height effects, making movies, shows, games, and Atmos music feel more lifelike and dimensional. Everything connects over WiFi for flexible placement, and the Sonos app makes setup, tuning, and everyday control simple.
Sonos Arc UltraSonos Era 300Sonos Sub Gen 4
What It's Good At: Delivering next-level Dolby Atmos surround with convincing height and side-to-side immersion Producing deep, dynamic bass with reduced distortion thanks to Sub 4’s force-canceling design Making dialogue easier to understand with AI-powered Speech Enhancement on Arc Ultra Creating a bigger, more precise soundstage using Era 300 surrounds for spatial audio realism Seamless multiroom audio and easy control through the Sonos app (plus AirPlay 2 support) Flexible placement and clean installs with WiFi connectivity and streamlined setup Ultimate Immersive Set with Arc Ultra Full Specifications:
Set Contents: 1x Arc Ultra, 1x Sub 4, 2x Era 300
Color: Black Arc Ultra — Full Technical Specifications
Amplifiers: Fifteen Class-D digital amplifiers
Tweeters: Seven precisely angled silk-dome tweeters (two upward-firing)
Midwoofers: Six midwoofers
Woofer: Sound Motion four-motor, dual-membrane woofer
Microphones: Far-field mic array; mic disconnect via switch
Adjustable EQ: Bass, treble, loudness (Sonos app)
Trueplay: iOS and Android compatible
Speech Enhancement: AI voice detection; four levels
Night Sound: On/off in Sonos app
Home Theater Audio Formats: Stereo PCM; Dolby Digital; Dolby Digital Plus; Dolby Atmos (Dolby Digital Plus); Dolby Atmos*; Dolby TrueHD*; Dolby Atmos (True HD)*; Multichannel PCM*; Dolby Multichannel PCM*; DTS Digital Surround**
TV Audio Swap: Swap TV audio between soundbar and one or two Sonos Ace headphones
Dimensions: 2.95 in (H) x 46.38 in (W) x 4.35 in (D) / 75 mm x 1,178 mm x 110.6 mm
Weight: 13.01 lbs (5.9 kg)
Colors: Black, White
Finish: Matte
Mounting: M5 x 0.8 mm thread pitch; L6.5 mm
Mic Switch: Hardware mic power disconnect
LEDs: Connection/mute/mic/errors indicators
WiFi: WiFi 6; 802.11a/b/g/n/ac/ax (2.4 GHz / 5 GHz)
