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This is Sonos's top two-piece home theater bundle: the Arc Ultra soundbar paired with the Sub 4 wireless subwoofer. The Arc Ultra uses Sound Motion technology to produce a 9.1.4 Dolby Atmos effect from a single bar, and the Sub 4 handles low bass with very little distortion. It suits people who want a clean, app-managed setup without running speaker wires around the room. Against separate AV receivers and multi-speaker kits it is simpler and tidier, but it costs more than most soundbar-and-sub pairs and still relies on one bar for rear effects.
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Lowest price we've seen: $2,314.20 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
Owners of the Arc Ultra and Sub 4 generally praise the wide, room-filling Atmos sound and the clean, deep bass from the sub. Common complaints center on the price of the pair and on the lack of true rear speakers for surround effects.
This set pairs the Sonos Arc Ultra soundbar with the Sub 4 subwoofer for home theater sound. It is built for music, TV, movies and games. Arc Ultra uses Sound Motion technology and supports Dolby Atmos for a 9.1.4 spatial audio experience.
Sub 4 connects to Arc Ultra over Wi-Fi, so it can be placed anywhere in the room. Setup is done through the Sonos app. When the TV is off, you can stream music over Wi-Fi or Bluetooth.
You can control the system with your TV remote, the Sonos app, Apple AirPlay 2, Sonos Voice Control and Amazon Alexa.
