# I waited 5 years for this upgrade - Sonos Arc Ultra

Source: https://www.youtube.com/watch?v=VJYmnmCDGgc
Recap page: https://rapidrecap.app/video/VJYmnmCDGgc
Generated: 2025-07-11T05:10:32.107+00:00

---
## Quick Overview

The Sonos Arc Ultra offers a significant upgrade over the original Arc, particularly in low-end performance and dialogue clarity, making the additional $799 Sub 4 potentially unnecessary for casual movie watching due to the soundbar's impressive standalone bass and spatial audio capabilities.

**Key Points:**
- The Sonos Arc Ultra significantly improves low-end performance and dialogue clarity compared to the original Sonos Arc.
- The Arc Ultra features a new "Sound Motion" speaker design, enabling 9.1.4 spatial audio with Dolby Atmos support.
- Connectivity includes a hard mic switch, Ethernet, Bluetooth 5.3, and a single HDMI eARC port, lacking HDMI pass-through.
- Setup is quick and easy, taking about 10 minutes including firmware updates, with intuitive app-based Trueplay room tuning.
- The new Sub 4, priced at $799, offers impressive, controlled bass even when cranked, but the Arc Ultra's standalone bass performance is strong enough to question the Sub's necessity for typical use cases.
- The Arc Ultra and Sub 4 maintain Sonos's aesthetic design, with the Sub 4 being lighter than its predecessor and offering flexible placement options, including under a couch.

![Screenshot at 2:58: Man holding Sonos Arc Ultra, with text overlay "Dolby Atmos 9.1.4 Spatial Audio" and animated movie playing on TV](https://ss.rapidrecap.app/screens/VJYmnmCDGgc/00-02-58.png)

**Context:** Linus, a long-time user of the original Sonos Arc soundbar, reviews the new Sonos Arc Ultra and the accompanying Sub 4 subwoofer. He evaluates their performance, features, and ease of setup, comparing them to the previous generation and considering their value proposition for home theater and music listening in a large living space.

## Detailed Analysis

The Sonos Arc Ultra represents a notable evolution from its predecessor, the original Sonos Arc, which Linus has used for five years. The new soundbar features Sonos's "Sound Motion" speaker design, which aims to deliver deeper bass response with reduced distortion and allows for more channels within a smaller package. This enables 9.1.4 spatial audio with Dolby Atmos support, providing nine surround channels (some direct, some bounced), one subwoofer channel, and four height channels. While the Arc Ultra maintains a minimalist I/O with only a power input, a hard microphone switch, an RJ45 Ethernet port, a Bluetooth 5.3 pairing button, and a single HDMI eARC port, the lack of HDMI pass-through is a notable drawback as it consumes a potentially fully-featured eARC port on the TV. The unboxing experience highlights eco-friendly packaging. Setting up the Arc Ultra is remarkably simple and quick via the Sonos app, including firmware updates and Trueplay room tuning, which adapts the sound to the room's acoustics. The Arc Ultra delivers significantly improved bass and dialogue clarity on its own, leading Linus to question the necessity of the $799 Sonos Sub 4 for casual movie watching, despite the Sub 4's impressive and controlled bass performance even at high levels. The Sub 4 is lighter than its predecessor and offers flexible placement options, including under furniture, which Trueplay tuning can compensate for. While the new products offer premium sound and aesthetics, their high price point (both Arc Ultra and Sub 4 are $999 and $799 respectively) makes them a luxury upgrade, especially when compared to more budget-friendly DIY surround sound solutions.

### Initial Impressions & Unboxing

- Speaker introduces the new Sonos Arc Ultra and Sub 4, highlighting his long-term use of the original Arc
- Arc Ultra packaging features an eco-friendly design and an adorable locking mechanism
- The Arc Ultra's physical design is very similar to the original, but it is slightly wider and shorter.

### Connectivity & Features

- The Arc Ultra has a sparse I/O including power, a hard mic switch, Ethernet, Bluetooth 5.3, and a single HDMI eARC port
- The lack of HDMI pass-through means the soundbar occupies the TV's eARC port, potentially limiting other high-refresh rate devices
- Sonos includes a 4.9ft power cable and a 6ft HDMI cable, which is criticized for being too short for some setups.

### Audio Performance & Technology

- The main benefit is "Sound Motion" speaker design for deeper bass and reduced distortion, allowing more channels
- The Arc Ultra supports 9.1.4 spatial audio with Dolby Atmos, featuring 9 surround channels, 1 subwoofer channel, and 4 height channels
- The soundbar delivers impressive bass and dialogue clarity even without a dedicated subwoofer, performing well in a large room.

### Setup Experience & App Controls

- Setup is quick and painless via the Sonos app, automatically detecting and connecting the Arc Ultra
- Trueplay tuning uses the phone's microphone to optimize sound for the room's acoustics, providing noticeable improvements
- The Sonos app offers various controls including EQ (bass/treble), height audio level, sub audio level and phase, volume limiting, speech enhancement, and voice assistant integration (Alexa, Sonos Voice Control).

### Subwoofer Performance & Value

- The Sub 4 is priced at $799, raising questions about its necessity given the Arc Ultra's strong standalone bass
- The Sub 4 is lighter than its predecessor and can be placed anywhere, including under a couch, with Trueplay optimizing sound for its location
- Even with the Sub 4's bass cranked, it remains controlled and avoids being boomy or muddy, offering a great experience.

### Overall Value & Comparison

- The Arc Ultra is a solid upgrade for existing Arc users, especially for music performance, but the $999 price point is significant
- The combined cost of the Arc Ultra and Sub 4 is substantial, leading to a comparison with more affordable DIY surround sound setups that can offer similar or even higher performance in some aspects.

![Screenshot at 0:00: Man holding Sonos Arc Ultra box, excited expression](https://ss.rapidrecap.app/screens/VJYmnmCDGgc/00-00-00.png)
![Screenshot at 0:57: Close-up of Sonos Arc Ultra's sparse rear ports (power, mic switch, Ethernet, HDMI eARC)](https://ss.rapidrecap.app/screens/VJYmnmCDGgc/00-00-57.png)
![Screenshot at 1:51: Man holding coiled Sonos power cable and HDMI cable](https://ss.rapidrecap.app/screens/VJYmnmCDGgc/00-01-51.png)
![Screenshot at 2:30: Man standing in living room with large TV and Sonos Arc, showing room size](https://ss.rapidrecap.app/screens/VJYmnmCDGgc/00-02-30.png)
![Screenshot at 2:58: Man holding Sonos Arc Ultra, with text overlay "Dolby Atmos 9.1.4 Spatial Audio"](https://ss.rapidrecap.app/screens/VJYmnmCDGgc/00-02-58.png)
![Screenshot at 3:46: Side-by-side comparison of Sonos Arc Ultra (white) and original Arc (black) with dimensions overlay](https://ss.rapidrecap.app/screens/VJYmnmCDGgc/00-03-46.png)
![Screenshot at 6:32: Man on couch looking at phone, showing Sonos app Trueplay tuning in progress](https://ss.rapidrecap.app/screens/VJYmnmCDGgc/00-06-32.png)
![Screenshot at 7:42: Man kneeling next to Sonos Sub 4, showing its design and placement](https://ss.rapidrecap.app/screens/VJYmnmCDGgc/00-07-42.png)
![Screenshot at 8:49: Side-by-side comparison of Sonos Sub 4 (white) and original Sub (black) with dimensions and weight overlay](https://ss.rapidrecap.app/screens/VJYmnmCDGgc/00-08-49.png)
![Screenshot at 10:04: Man touching phone to Sonos Sub 4 for Trueplay tuning](https://ss.rapidrecap.app/screens/VJYmnmCDGgc/00-10-04.png)