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Sonos Sub Gen4 Black

SUBG4AU1BLK
$1299
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Product Overview

The Sub Gen4 Black amplifies the low-frequency sound in your Sonos home theatre or music system.

This subwoofer is designed for Sonos users who want to experience deeper bass and a more immersive audio environment in their living room or dedicated media space. Its wireless connectivity allows flexible placement, whether you want it upright beside your entertainment unit or tucked away under furniture.

WiFi 802.11a/b/g/n/ac/ax support enables seamless integration with compatible Sonos soundbars and speakers, including Arc, Beam, Ray, Five, and Era 300. The Sub Gen4 weighs 11.79kg and measures 40.2cm wide, 38.9cm high, and 15.8cm deep, making it suitable for most room layouts. Only a power cable is needed for setup, as all audio is transmitted wirelessly once paired in the Sonos app.

Model SUBG4AU1BLK in black comes with a 1 year manufacturer's warranty.

Key Features

  • WiFi and Ethernet connectivity

Key Specifications

Brand:
Sonos
Model Number:
SUBG4AU1BLK
Wireless Connections:
WiFi 802.11a/b/g/n/ac/ax 2.4/5 GHz

General Information

Type:
Subwoofer
Colour:
Black
Family:
Sonos Sub Gen 4

Warranty

Manufacturer's Warranty:
1 Year

General Information

Type:
Subwoofer
Colour:
Black
Family:
Sonos Sub Gen 4

Product Dimensions

Product Height (mm):
389
Product Width (mm):
402
Product Depth (mm):
158
Product Weight (kg):
11.79

Box Dimensions

Box Height (mm):
508
Box Width (mm):
483
Box Depth (mm):
226
Box Weight (kg):
14

Product Reviews of Sonos Sub Gen4 Black

Sonos Sub Gen4 Black SUBG4AU1BLK

Overall Rating Snapshot

5.0 stars

5 out of 5 stars from 8 reviews

100% of users recommend this product

4
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3
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2
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1
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What customers say, summarised by AI
  • Noticeable upgrade to sound clarity and depth, especially in home theatres
  • Bass is powerful yet precise, not muddy or overwhelming when set up correctly
  • Seamless installation process via the Sonos app, takes only seconds
  • Pairs excellently with other Sonos products like the Arc and Era 100s
  • Sale pricing and price matching offer excellent value for money
  • Sleek design integrates well into various living spaces
AI-generated summary from customer reviews, which may include incentivised reviews.
  • 5 out of 5

    The best Sub at the best price

    I was so happy to grab the Sonos Sub4 at such a good sale price!

    Jason T

    Confirmed purchase 28 September 2026

    Published on 20 October 2026

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 5 out of 5

    Excellent

    Worthy addition to my arc ultra and 2 era 100. Its a beast!!

    Suraj

    Confirmed purchase 25 September 2026

    Published on 20 October 2026

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 5 out of 5

    Anonymous

    Confirmed purchase 15 April 2026

    Published on 12 July 2026

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 5 out of 5

    Gen 4 sub

    Added 2nd sub to theatre set up. Greatly improves boom factor. Had to tweak some settings so it wasn’t overbearing. But definitely a noticeable difference. Even better with the price matching of competitors. Win win.

    Jay

    Confirmed purchase 7 May 2026

    Published on 3 June 2026

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 5 out of 5

    Sub 5

    Awesome product, love this addition to my home theatre

    Karthik

    Confirmed purchase 15 January 2026

    Published on 11 February 2026

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 5 out of 5

    My best Sonos upgrade yet

    I've been a Sonos user for years, starting with a basic Beam setup, and I honestly thought my sound was 'good enough.' Adding the Sonos Sub (Gen 4) completely shattered that perception. I can confidently say this is the single most impactful audio upgrade I've ever made. My biggest fear was that adding a sub would make the sound muddy or boomy, especially in my living room which has an open floor plan. I was immediately proven wrong. The Sub (Gen 4) is surgical in its precision. It’s not about volume; it’s about clarity and depth. Where my old system used to just hint at the low end, the Sub now gives it a rich, textural foundation. I put it to the test immediately with the opening scene of Dune and then a few of my favorite electronic music tracks. The difference was night and day. Explosions in the movie went from a pop to a deep, subterranean rumble that you don't just hear, you feel in your chest. Music feels fuller and more 'live'—the Sub handles those deep bass lines with a tight, powerful snap that never drowns out the vocals or mids from my Arc. It's truly a musical subwoofer. Installation was literally seconds. I plugged it in, tapped 'Add Sub' in the Sonos app, and ran Trueplay. Done. The design is sleek enough that it tucks away perfectly, yet it delivers a presence that is absolutely massive. If you're on the fence, jump off. This is a mandatory investment for anyone who wants a truly immersive, high-fidelity experience from their Sonos ecosystem. The Sub (Gen 4) doesn't just improve your audio; it redefines what your system is capable of. I wish I hadn't waited this long!

    Sandy

    Confirmed purchase 30 August 2025

    Published on 9 October 2025

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 5 out of 5

    Could not recommend the Sonos Sub Gen4 enough!

    The bass is amazing. It’s like I’m in the cinema!

    Veronica

    Confirmed purchase 16 September 2025

    Published on 8 October 2025

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

  • 5 out of 5

    Dammm this, bass is hectic. Yeah ya !!!

    The songs Arc, is aswome as is then ya add the gen 4 sub in as well and its dammmm !! Next level amazing

    Louis

    Confirmed purchase 27 April 2025

    Published on 30 May 2025

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

You've viewed 8 of 8 reviews

ABOUT THE GOOD GUYS REVIEWSThe Good Guys product reviews are collected from verified purchasers who may have received an incentive in return for providing an authentic review.

The below information is AI generated based on Australian websites information around this item. We have done our best to ensure its accuracy but suggest verifying any information within this tab before purchasing.

At a glance

The Sonos Sub Gen4 Black is a wireless subwoofer built for Sonos users who want deeper bass for movies, TV and music in a cleaner, more immersive setup. It is best suited to people already using compatible Sonos speakers or soundbars and wanting flexible placement without audio cables. Its main limitation is that it is designed to work within the Sonos ecosystem rather than as a universal subwoofer.

What it’s great for

  • Home theatre bass upgrade
  • Immersive movie nights
  • TV audio enhancement
  • Wireless music listening
  • Sonos system expansion

Where it works best

  • Living room
  • Media room
  • Apartment lounge
  • Open-plan family area
  • Dedicated TV setup

Who it’s for

  • Sonos owner
  • Movie enthusiast
  • Music listener
  • Home entertainment upgrader
  • Design-conscious household

Things to consider

This model is best for people already using compatible Sonos speakers, as it is not intended to act as a universal subwoofer for mixed-brand audio systems.

Cinematic experience score

9/10 - powerful bass addition for movies and TV when paired with compatible Sonos home theatre products

Room size suitability

Best suited to small to large living rooms and media rooms where deeper bass can enhance TV, movie and music playback

Music vs movie performance

Leans slightly toward movies, but also well suited to bass-rich music listening in a Sonos multi-speaker setup

Ease of setup rating

9/10 - simple setup with only a power cable needed and pairing handled through the Sonos app

Multi-room flexibility

Strong within the Sonos ecosystem, making it a good fit for homes already using Sonos in multiple rooms

Key benefits

  • Wireless Subwoofer Design: Adds low-frequency impact to your setup without needing a separate audio cable run across the room.
  • Flexible Placement: Can be positioned upright beside furniture or tucked under furniture to better suit different room layouts.
  • Sonos System Integration: Pairs with compatible Sonos soundbars and speakers for a more cohesive home theatre or music experience.
  • WiFi 802.11a/b/g/n/ac/ax Support: Supports both 2.4 GHz and 5 GHz wireless networking for reliable connection within compatible Sonos setups.
  • Single-Cable Setup: Only the power cable is required, helping keep installation neat and reducing visible cabling.
  • Low-Frequency Reinforcement: Delivers deeper bass that can make action scenes, soundtracks and bass-heavy music feel fuller.
  • Compatible Speaker Range: Works with supported Sonos models including Arc, Beam, Ray, Five and Era 300 for flexible system matching.
  • Black Finish: Blends easily into most home theatre spaces and modern entertainment units.

Q: Is this a standalone speaker or does it need Sonos speakers?

A: No. Sonos Sub Gen4 is not a standalone speaker and does not replace a soundbar or main speaker. It adds low bass to a compatible Sonos setup, so it needs to be paired in the Sonos app with a supported Sonos soundbar or speaker.

Q: Does Sonos Sub Gen4 work with non-Sonos soundbars or AV receivers?

A: No. Sonos Sub Gen4 is built for the Sonos ecosystem and is documented for compatible Sonos soundbars and speakers. It suits a Sonos-based setup, not a mixed-brand system built around a different soundbar, speaker brand or AV receiver.

Q: Do I need HDMI or speaker cables for Sonos Sub Gen4?

A: No. Sonos Sub Gen4 only needs a power cable, because audio is sent wirelessly after pairing in the Sonos app. That keeps cable clutter down, but setup still depends on a compatible Sonos product and a working home WiFi network.

Q: Will it fit beside a TV unit or under furniture?

A: Yes, in many rooms. Sonos Sub Gen4 measures 40.2cm wide, 38.9cm high and 15.8cm deep, so its slim depth is usually the key dimension for placement beside cabinetry or under furniture that has enough physical clearance.

Q: Can I use the Sonos Sub Gen4 for music and movies?

A: Yes. Sonos Sub Gen4 is designed to add low-frequency bass for both music and home theatre when paired with compatible Sonos speakers. It does not play on its own, so the overall sound still depends on the Sonos speaker or soundbar it is paired with.