Sonos Beam G2 + Sub Mini Soundbar Subwoofer vs Sonos Sub 4 Wireless Subwoofer (2026): Key Differences
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When you compare the sonos beam g2 sub vs sub 4, you are looking at two distinct Sonos audio solutions. Both use WiFi for reliable wireless connectivity and integrate seamlessly with the Sonos app. The primary difference lies in their form and function. The first option is a complete two-piece set featuring the Beam soundbar and the compact Sub Mini. The second is a standalone Sub 4 subwoofer designed to add deep bass to an existing soundbar setup. Understanding these spec differences helps you choose the right gear for your room.
Key differences
| Aspect | Sonos Beam G2 + Sub Mini Soundbar and Subwoofer Set | Sonos Sub 4 Wireless Subwoofer |
|---|---|---|
| Product Type | Soundbar and Subwoofer Set (2-Pack) | Standalone Wireless Subwoofer |
| Enclosure Type | not listed | Ported |
| Woofer Size | Sub Mini | Dual Sonos-engineered drivers |
| Dimensions (Height) | 4.8 inches (Sub Mini) | 15.8 inches |
| Weight | not listed | 26.5 pounds |
Which one should you choose?
Choose Sonos Beam G2 + Sub Mini Soundbar and Subwoofer Set if
- You need a complete home theater system for smaller or medium-sized rooms
- You want a compact subwoofer that balances low frequencies for the Beam soundbar
- You prefer a setup that includes both a soundbar and a subwoofer in one package
Choose Sonos Sub 4 Wireless Subwoofer if
- You already own a Sonos soundbar and want to add deep, dynamic bass
- You need a ported enclosure to enhance bass response and low-frequency output
- You have the space for a larger, heavier subwoofer that stands upright or lies on its side
Verdict: The Beam G2 + Sub Mini set is the practical choice if you need an all-in-one audio solution for compact spaces. The Sub 4 is better if you already have a compatible soundbar and want to maximize bass performance with a dedicated, larger unit.
Sonos Beam G2 vs Sub 4 Comparison
Product Type
The Sonos Beam G2 + Sub Mini is a complete 2-Pack entertainment set. It combines a smart soundbar with a compact subwoofer to handle TV audio, music, and gaming. The Sonos Sub 4 is a standalone wireless subwoofer. It does not include a soundbar. You need a separate Sonos speaker, such as the Arc or Beam, to use it. The Beam G2 set is an all-in-one solution for smaller rooms. The Sub 4 is an add-on component for existing systems.
Enclosure Type
The Sonos Sub 4 features a ported enclosure. This design enhances bass response and low-frequency output for deeper sound. The Sonos Sub Mini is listed as a compact subwoofer without a specified enclosure type in the provided data. Ported designs often provide more output at the lowest frequencies. If you prioritize maximum bass extension, the Sub 4 has a clear structural advantage. The Sub Mini focuses on balancing frequencies rather than deep extension.
Size
The Sonos Sub 4 is a large unit measuring 15.8 inches in height, 15.3 inches in width, and 6.22 inches in length. It weighs 26.5 pounds. You can stand it upright or lay it on its side. The Sonos Sub Mini is described as compact. Its specific dimensions are not listed, but it is part of a set designed for smaller or medium-sized rooms. The Sub Mini is significantly smaller and lighter than the Sub 4.
Connectivity
Both products use WiFi for reliable wireless connectivity. The Sonos Beam G2 + Sub Mini also supports Apple AirPlay 2 for streaming music. This allows you to stream from hundreds of services using the Sonos app or your voice. The Sonos Sub 4 connects reliably to your Sonos soundbar over WiFi. It requires a single power cable and setup via the Sonos app. Both offer flexible placement options due to wireless design.
Compatibility
The Sonos Beam G2 + Sub Mini is a complete set that syncs with your existing TV remote. It is ideal for smaller rooms. The Sonos Sub 4 transforms your home theater when paired with Sonos Arc Ultra, Arc, or Beam. It uses force-canceling acoustic architecture to eliminate distortion, buzz, and rattle. The Sub 4 is designed to work with higher-end Sonos soundbars. The Beam G2 set is a self-contained system for immediate use.
Which Sonos Audio Setup Fits You
Small room owners needing a full system
The Beam G2 + Sub Mini set includes both the soundbar and subwoofer. It is designed for smaller or medium-sized rooms. The Sub Mini balances low frequencies while the soundbar handles dialogue. This 2-pack solution offers a complete audio experience without requiring additional speaker purchases.
Users wanting deep bass with existing soundbars
The Sub 4 features dual Sonos-engineered drivers and a ported enclosure for enhanced low-frequency output. Its force-canceling architecture reduces distortion and rattle. You can pair this standalone wireless subwoofer with compatible Sonos soundbars like the Arc or Beam to upgrade your existing home theater bass performance.
Listeners prioritizing compact size and portability
The Sub Mini is significantly more compact than the Sub 4. The set dimensions are much smaller, fitting easily into limited spaces. This solution allows you to stream music over WiFi or AirPlay 2 while keeping the physical footprint minimal. It is ideal for buyers who value space-saving design.
The products compared
Sonos Beam G2 + Sub Mini Soundbar and Subwoofer Set
Best for: smaller rooms with moderate volume needs
- Woofer Size
- Sub Mini
- Connectivity
- WiFi, Apple AirPlay 2
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This 2-pack includes the Sonos Beam soundbar and Sub Mini. It uses WiFi and Apple AirPlay 2 for connectivity. The Sub Mini balances low frequencies to improve Beam performance. The set is designed for smaller or medium-sized rooms. It supports low to moderate volume levels. You can control the system using the Sonos app or voice commands.
Pros
- Includes both Beam soundbar and Sub Mini subwoofer
- Connects via WiFi and Apple AirPlay 2
- Sub Mini balances lowest frequencies for better sound
- Syncs with existing TV remote
- Stream music over WiFi using Sonos app
Cons
- Limited to low to moderate volume levels
- Intended for smaller or medium-sized rooms
- Sub Mini woofer size is smaller than standard models
Good fit if
- You have a smaller or medium-sized room
- You prefer low to moderate volume levels
- You want a complete soundbar and subwoofer set
Skip if
- You need high volume output for large spaces
- You require Bluetooth connectivity
- You want a standalone subwoofer only
Verdict: Sonos Beam G2 + Sub Mini Set fits users with smaller rooms who prefer moderate volume. It provides a complete audio solution with WiFi connectivity and app control.
Sonos Sub 4 Wireless Subwoofer
Best for: Sonos users wanting maximum bass performance
- Enclosure Type
- Ported
- Connectivity
- WiFi
- Application
- Soundbars
- Dimensions
- 6.22 × 15.3 × 15.8 inches
- Weight
- 26.5 pounds
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The Sonos Sub 4 is a white wireless subwoofer designed to add deep bass to your home theater. It features a ported enclosure with dual drivers and force-canceling architecture to reduce distortion. Measuring 15.8 inches high and weighing 26.5 pounds, it connects via WiFi. You can place it upright or on its side. It pairs with Sonos soundbars for a complete audio setup.
Pros
- Dual Sonos-engineered drivers for dynamic bass
- Ported enclosure enhances low-frequency output
- Force-canceling architecture eliminates distortion
- WiFi connectivity for flexible placement
Cons
- Heavier at 26.5 pounds than the Sub Mini
- Larger footprint at 15.8 inches high
- Requires Sonos app for setup and control
Good fit if
- You want deeper bass than the Sub Mini provides
- You have space for a larger subwoofer
- You own a Sonos soundbar system
Skip if
- You need a compact subwoofer for small spaces
- You prefer a lighter, easier-to-move unit
- You are not using a Sonos ecosystem
Verdict: Sonos Sub 4 Wireless Subwoofer delivers powerful bass for those who prioritize performance over compact size. It is the right choice for Sonos users seeking a more robust low-frequency experience than the Sub Mini offers.
Specifications side by side
| Spec | Sonos Beam G2 + Sub Mini Soundbar and Subwoofer Set | Sonos Sub 4 Wireless Subwoofer |
|---|---|---|
| Woofer Size | Sub Mini | not stated |
| Enclosure Type | not stated | Ported |
| Connectivity | WiFi, Apple AirPlay 2 | WiFi |
| Application | not stated | Soundbars |
| Dimensions | not stated | 6.22 × 15.3 × 15.8 inches |
| Weight | not stated | 26.5 pounds |
| Size | 2-Pack | not stated |
| Color | White | White |
| Model | Beam | SUBG4US1 |
Frequently asked questions
Is the Sonos Beam G2 + Sub Mini a complete package?
Yes, it is a 2-Pack that includes both the smart soundbar and the compact Sub Mini. You get a full audio solution for TV, music, and gaming in one purchase. The Sonos Sub 4 is sold separately as a standalone wireless subwoofer, so you must already own a compatible soundbar or amplifier to use it.
Which subwoofer provides more powerful bass?
The Sonos Sub 4 delivers more powerful bass. It is designed for users who prioritize maximum low-frequency performance over compact size. The Sub Mini in the Beam G2 set offers moderate volume and balanced low frequencies, making it suitable for smaller rooms where extreme bass impact is not required.
How big is the Sonos Sub 4?
The Sonos Sub 4 measures 15.3 inches in width, 15.8 inches in height, and 6.22 inches in length. It weighs 26.5 pounds. This larger footprint distinguishes it from the Sub Mini, which is part of the compact Beam G2 set and designed to fit discreetly in smaller spaces.
Do both systems use WiFi connectivity?
Yes, both products use WiFi for reliable wireless connectivity. They integrate seamlessly with the Sonos app for control and streaming. The Sonos Sub 4 is a wireless subwoofer, and the Beam G2 + Sub Mini set also relies on WiFi to connect the soundbar and subwoofer to your network.
Can I use the Sonos Sub 4 with any TV?
No, the Sonos Sub 4 is a standalone wireless subwoofer. It requires a compatible Sonos soundbar or amplifier to function. You cannot connect it directly to a TV. The Beam G2 + Sub Mini set is a complete unit, so it works immediately with your TV without needing additional audio components.
What color options are available for these products?
Both the Sonos Beam G2 + Sub Mini set and the Sonos Sub 4 are available in White. The Sonos Sub 4 model number is SUBG4US1. The Beam G2 set is listed as a 2-Pack in White, ensuring a consistent look for your home audio setup.
Which setup is better for a small room?
The Sonos Beam G2 + Sub Mini set is better for smaller rooms. It provides a complete audio solution with moderate volume needs. The Sub Mini balances low frequencies effectively in compact spaces. The Sonos Sub 4 is larger and intended for users seeking robust bass performance, which may be excessive for small areas.