| Enclosure type | Sub 4: Ported / Bass-Reflex |
|---|---|
| Frequency Response | Sub 4: 25 Hz; 8-Inch Ceiling Speaker: 29 Hz - 20 kHz ±3dB (with DSP) |
| Power | 8-Inch Ceiling Speaker: 225 Watts maximum |
| Woofer Bass Driver Size (mm) | 203 mm |
| Mid/Bass Driver | 8-Inch Ceiling Speaker: One 8-inch polypropylene |
| Tweeter | Arc Ultra: 7 silk-dome tweeters; 8-Inch Ceiling Speaker: 30 mm (1.2-inch) |
| Impedance (Ω) | 8 Ω |
| Sensitivity | 86 dB SPL |
| Subwoofer RMS Power (watts) | 125 Watts |
| Subwoofer Bass Driver Size (mm) | 203 mm |
| Phase Control | Yes (Sub 4) |

Sonos Arc Ultra + Sub 4 + Amp + 8-Inch In-Ceiling Set Package

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Details
Experience the pinnacle of cinematic immersion with this ultimate Sonos architectural home theater bundle. This professional-grade set combines the revolutionary Arc Ultra—featuring Sound Motion™ technology for a massive spatial audio stage—with the iconic Sub 4, delivering pulse-pounding, distortion-free bass.
To complete the overhead experience, the Sonos Amp powers a pair of 8-inch In-Ceiling Speakers, providing crystal-clear height channels or rear surrounds that disappear into your decor. Designed for those who refuse to compromise on aesthetics or performance, this package offers a seamless, high-output wireless ecosystem that brings true theater-quality Dolby Atmos into the heart of your home.
Package includes:
- SONOS Arc Ultra Premium Smart Soundbar
- SONOS Sub 4 Premium Wireless Subwoofer
- SONOS Amp Stereo Amplifier with Alexa Enabled and AirPlay 2
- Sonos 8-Inch 2-Way Architectural In-Ceiling Speakers Pair

Sonos Arc Ultra Premium Smart Soundbar utilizes innovative Sound Motion™ technology to elevate your entertainment experience like never before.
Enjoy clearer dialogue, rich bass, and intricate sound that envelops you from all angles, all wrapped in a stunningly sleek design. With Dolby Atmos, you’ll experience sound in an entirely new way, delivering a 9.1.4 spatial audio experience. The enhanced Speech Enhancement feature provides superior control over dialogue clarity, ensuring you catch every word. Setup is quick with the included HDMI cable, and you can manage everything effortlessly with your TV remote. Additional control options include the Sonos app, touch controls on the Arc Ultra, Sonos Voice Control, and Amazon Alexa. When your TV is off, you can still stream music and more from your favorite services using WiFi and Bluetooth. For the ultimate Dolby Atmos surround sound experience, consider adding a Sonos Sub and Era 300 rear speakers. Expand your listening options by integrating Sonos speakers into other rooms for a whole-home audio experience.
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Sonos Sub 4 Premium Wireless Subwoofer enhances the full power of Sonos sound, enveloping you in every scene and song.
Experience a difference you can truly feel by pairing the Sub 4 with your Sonos soundbar or speakers. Dual force-cancelling woofers deliver impactful bass with minimal distortion, while the new matte finish gives its iconic look a modern touch. Setting it up is simple — just connect the power and open the Sonos app. The Sub 4 integrates with your system via WiFi, allowing for flexible placement to suit your room. Stand it upright or lay it on its side, even hiding it beneath furniture. Pair two with Arc Ultra or Arc for bass so immersive, you’ll feel like you’re in a movie theater.
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SONOS Amp Stereo Amplifier delivers 2 x 125 Watts of powerful sound. Upgrade your music system with smart control and streaming services, Amazon Alexa Enabled and AirPlay 2 features. You can also connect to your analogue input device while connecting the TV sound with ARC HDMI digital connection.
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Sonos 8-Inch 2-Way Architectural In-Ceiling Speakers are designed with a custom-built woofer and high-excursion motor, delivering a seamless midrange, impressive deep bass, and an expanded listening area. With a 30 mm tweeter and optimized waveguide, these speakers offer natural-sounding vocals and improved high-frequency dispersion, ensuring wide and even coverage that fills any room with immersive sound. Upgrade your audio system with these Sonos in-ceiling speakers for an enhanced listening experience.
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SONOS Arc Ultra Premium Smart Soundbar
- Revolutionary Sound Motion™ technology for deeper bass in a slimmer design
- Immersive 9.1.4 spatial audio experience with Dolby Atmos
- 14 high-performance drivers, including dedicated height and side-firing channels
- Advanced AI Speech Enhancement with multiple levels for crystal-clear dialogue
- Upgraded Wi-Fi 6 and Bluetooth 5.3 for versatile wireless streaming
- Sleek, low-profile design with a modern matte finish
- Trueplay™ tuning to optimise sound for your room’s unique acoustics
- HDMI eARC support for high-quality uncompressed audio formats
- Touch-sensitive volume slider and dedicated playback controls
- TV Audio Swap for a seamless transition to Sonos Ace headphones
- Eco-friendly design with 20% less power consumption at idle
- Voice control ready with Sonos Voice Control and Amazon Alexa
SONOS Sub 4 Premium Wireless Subwoofer
- Deep, pulse-pounding bass down to 25 Hz
- Dual force-canceling woofers for zero rattle or distortion
- Faster processor and increased memory for better performance
- Upgraded Wi-Fi 6 for a more reliable connection
- Modern matte finish in Black or White
- Versatile design to stand upright or lie flat
- Trueplay tuning for room-optimized sound
- Energy-efficient design with reduced idle power
- Support for dual-subwoofer home theater setups
- Lightweight build compared to previous generations
- Seamless wireless pairing with the Sonos ecosystem
SONOS Amp Stereo Amplifier with Alexa Enabled and AirPlay 2
- HDMI RCA Port
- Analogue Audio Line-In
- Wireless Connection
- Amazon Alexa Support
- AirPlay 2 Support
Sonos 8-Inch 2-Way Architectural In-Ceiling Speakers Pair
- Enhanced bass response reaching down to 29 Hz
- Larger 8-inch woofer for richer, more powerful low-end
- 20% larger tweeter (1.2-inch) for exceptionally clear vocals
- Wider 100-degree dispersion to fill large, open-plan spaces
- Higher output capacity with power handling up to 225W
- Pivoting acoustic assembly for precise sound aiming
- Trueplay™ technology for automatic, professional-grade tuning
- Seamless architectural integration with paintable matte white grilles
- Optimized frequency response specifically designed for use with Sonos Amp
Technical Specs
Speaker General Specifications
Receiver General Specifications
| Number Of Channels | 2 Channel |
|---|---|
| Watts RMS per Channel (8 Ω) | 125 Watts |
| Smart Voice Assistant | Works with Siri |
| AirPlay | AirPlay 2 |
| HDMI ARC (Audio Return Channel) | Yes |
| App Remote Control | Sonos App |
| Wireless Technology | WiFi |
| Room Calibration & Speaker Optimisation | Trueplay (with supported speakers and iOS device) |
| Online Audio Services Support | Spotify Connect, TIDAL, Deezer, Amazon Music, Apple Music, TuneIn |
| Supported File Formats | Stereo PCM, Dolby Digital, DTS Digital Surround |
| Warranty | Australian Manufacturer Warranty |
Receivers Inputs & Outputs
| Main Speaker Terminals | Custom-designed banana plugs (supports standard diameter banana plugs) |
|---|---|
| Subwoofer Outputs | 1 (Auto-detecting RCA type, user-adjustable 50-110 Hz crossover) |
| HDMI Inputs | 1 (HDMI ARC) |
| Analog Inputs | 1 (RCA Line-in) |
| LAN | Yes |
| Wireless LAN (Wi-Fi) | Yes |
Dimension
| Amplifier Dimension (H×W×D) | 64 × 217 × 217 mm |
|---|---|
| In Ceiling Speaker Dimension (DxWxH) | ⌀ 283.5 x 135 mm (ea) |
| Soundbar Dimension | 75 × 1178 × 110.6 mm |
| Subwoofer (H×W×D) | 389 × 402 × 158 mm |
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Delivery/Return
Refund, Return and Repair Policy
Digital Cinema strives to make every purchase a happy one.
Please read our Refund, Return Warranty Policy before making a purchase from Digital Cinema, our Outlined are Our policy on refunds, returns and repairs and your rights under the Australian Consumer Law.
Always inspect any products that we have delivered to you or that you picked up from the Digital Cinema store, to make sure you are completely satisfied with the condition of the products, including that the products are of merchantable quality.
If you have any questions about this policy, please contact our staff on 1300 859 905 or click here to email.
Change of Mind
Please choose carefully as refunds for change of mind would only be accepted with a restocking fee subject to approval. We recommend you carefully choose any products before adding them to your cart and continuing with your order. The restocking fee is 25% if approved.
Goods Damaged in Transit
If any products are delivered damaged, please contact our Customer service Staff as soon as possible. Digital Cinema will organise to have your products returned to Digital Cinema and to arrange for a replacement of your products fast. Damaged products need to be returned in the same condition received by you with all original packaging, accessories and manuals.
Digital Cinema Security Policy
Digital Cinema uses the eWAY Payment Gateway for its online credit card transactions. eWAY processes online credit card transactions for thousands of Australian merchants, providing a safe and secure means of collecting payments via the Internet.
All online credit card transactions performed on this site using the eWAY gateway are secured payments.
- Payments are fully automated with an immediate response
- Your complete credit card number cannot be viewed by Digital Cinema or any outside party.
- All transactions are performed under 128 Bit SSL Certificate.
- All transaction data is encrypted for storage within eWAYÂ’s bank-grade data centre, further protecting your credit card data.
- eWAY is an authorised third party processor for all the major Australian banks. eWAY at no time touches your funds; all monies are directly transferred from your credit card to the merchant account held by Digital Cinema.
Delivery Charges
Digital Cinema will refund all delivery charges in the event an item has to be returned due to a fault or damage and no replacement items can be found. Delivery refund will only be approved within 14 days of purchase and all original packaging, accessories and manuals are included.
Please note that if you choose to cancel an online order before it has been dispatched and a request for refund is approved, a 1.4% fee will be applied to your refund amount. This fee covers charges that we are unable to recover from the Visa and Mastercard networks.
Consumer Guarantees and Your Rights Under the Australian Consumer Law
Refer to Consumer Guarantee laws for more information.
Refunds
Any Refunds will be made by Digital Cinema using the same method of payment used to make your purchase. Refunds will normally be processed within five (5) days.
Digital Cinema reserve the right to refund and cancel any order when the below occurs.
- Grossly incorrect pricing has been listed by accident due to human error.
- Items cannot be fulfilled due to stock issues.
- The sale is considered to be fraudulent and Digital Cinema considers the fulfillment of this sale may harm Digital Cinema.
You will be contacted by email to explain why a refund has been issued and products not delivered.
Returns and Repairs
Before returning any goods please contact our service team for approval and return merchandise number 1300 859 905
You may also contact Digital Cinema on 1300 859 905 or visit the store where the items were collected. A Digital Cinema team member will help you with any return or repair. This will include inspecting the products, organising for the products to be repaired, or offering you a replacement.
Products need to be returned within a reasonable time period. This timeframe may vary from product to product and may depend on the type of product you purchased and the price you paid.
If any goods cannot be easily returned to the Digital Cinema store, due to where you are located please contact our service staff for help with logistics 1300 859 905
Products returned under warranty will be assessed and/or repaired within a reasonable time period. You will be provided with a repair time after the item is assessed. This time may vary due to reasons beyond our or the manufacturer's control, such as parts availability and incorrect fault advice given.
You may be required to pay labour, assessment or freight costs, such as where goods are assessed to have been damaged by misuse or accident, or where the goods are assessed not to be faulty. We will provide you with a cost if this case arrises.
If any electrical goods that you returned may lose settings or user saved preferences during the resetting and rebooting phases in a repair sequence.
Purchasing from Digital Cinema is an acceptance of the above policies.
If you have any questions relating to your Order, please contact us on 1300 859 905 or email customer support on [email protected].
Refund, Return and Repair Policy
Digital Cinema strives to make every purchase a happy one.
Please read our Refund, Return Warranty Policy before making a purchase from Digital Cinema, our Outlined are Our policy on refunds, returns and repairs and your rights under the Australian Consumer Law.
Always inspect any products that we have delivered to you or that you picked up from the Digital Cinema store, to make sure you are completely satisfied with the condition of the products, including that the products are of merchantable quality.
If you have any questions about this policy, please contact our staff on 1300 859 905 or click here to email.
Change of Mind
Please choose carefully as refunds for change of mind would only be accepted with a restocking fee subject to approval. We recommend you carefully choose any products before adding them to your cart and continuing with your order. The restocking fee is 25% if approved.
Goods Damaged in Transit
If any products are delivered damaged, please contact our Customer service Staff as soon as possible. Digital Cinema will organise to have your products returned to Digital Cinema and to arrange for a replacement of your products fast. Damaged products need to be returned in the same condition received by you with all original packaging, accessories and manuals.
Digital Cinema Security Policy
Digital Cinema uses the eWAY Payment Gateway for its online credit card transactions. eWAY processes online credit card transactions for thousands of Australian merchants, providing a safe and secure means of collecting payments via the Internet.
All online credit card transactions performed on this site using the eWAY gateway are secured payments.
- Payments are fully automated with an immediate response
- Your complete credit card number cannot be viewed by Digital Cinema or any outside party.
- All transactions are performed under 128 Bit SSL Certificate.
- All transaction data is encrypted for storage within eWAYÂ’s bank-grade data centre, further protecting your credit card data.
- eWAY is an authorised third party processor for all the major Australian banks. eWAY at no time touches your funds; all monies are directly transferred from your credit card to the merchant account held by Digital Cinema.
Delivery Charges
Digital Cinema will refund all delivery charges in the event an item has to be returned due to a fault or damage and no replacement items can be found. Delivery refund will only be approved within 14 days of purchase and all original packaging, accessories and manuals are included.
Consumer Guarantees and Your Rights Under the Australian Consumer Law
Refer to Consumer Guarantee laws for more information.
Refunds
Any Refunds will be made by Digital Cinema using the same method of payment used to make your purchase. Refunds will normally be processed within five (5) days.
Digital Cinema reserve the right to refund and cancel any order when the below occurs.
- Grossly incorrect pricing has been listed by accident due to human error.
- Items cannot be fulfilled due to stock issues.
- The sale is considered to be fraudulent and Digital Cinema considers the fulfillment of this sale may harm Digital Cinema.
You will be contacted by email to explain why a refund has been issued and products not delivered.
Returns and Repairs
Before returning any goods please contact our service team for approval and return merchandise number 1300 859 905
You may also contact Digital Cinema on 1300 859 905 or visit the store where the items were collected. A Digital Cinema team member will help you with any return or repair. This will include inspecting the products, organising for the products to be repaired, or offering you a replacement.
Products need to be returned within a reasonable time period. This timeframe may vary from product to product and may depend on the type of product you purchased and the price you paid.
If any goods cannot be easily returned to the Digital Cinema store, due to where you are located please contact our service staff for help with logistics 1300 859 905
Products returned under warranty will be assessed and/or repaired within a reasonable time period. You will be provided with a repair time after the item is assessed. This time may vary due to reasons beyond our or the manufacturer's control, such as parts availability and incorrect fault advice given.
You may be required to pay labour, assessment or freight costs, such as where goods are assessed to have been damaged by misuse or accident, or where the goods are assessed not to be faulty. We will provide you with a cost if this case arrises.
If any electrical goods that you returned may lose settings or user-saved preferences during the resetting and rebooting phases in a repair sequence.
Please note that if you choose to cancel an online order before it has been dispatched and a request for refund is approved, a 1.4% fee will be applied to your refund amount. This fee covers charges that we are unable to recover from the Visa and Mastercard networks.
Thank you for your understanding.
Purchasing from Digital Cinema is an acceptance of the above policies.
If you have any questions relating to your Order, please contact us on 1300 859 905 or email customer support on [email protected].






























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