Products

PSB Speakers

PSB CSIW SUB28 - DUAL 8" IN-WALL SUBWOOFER

Product Code: PS-BCSIWSUB28

Brand
PSB Speakers
RRP $1,899.00
 
 
Quantity In Cart:  
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PSB CSIW SUB28 - DUAL 8" IN-WALL SUBWOOFER
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CategoryCode SX0224
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Series Custom Sound Series
Size 2 x 8"
Speaker Type Subwoofer

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• Dual 8” Passive In-Wall Subwoofer • Polypropylene cone, rubber surround • Designed for both new construction or retrofit applications • Sealed Cabinet Design • High strength doglegs for easy installation and removal • Magnetic, small perforation grille • Design and final voicing engineered by Paul Barton • Ideal match with CS 500W subwoofer amplifier - notes 2

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• Dual 8” Passive In-Wall Subwoofer • Polypropylene cone, rubber surround • Designed for both new construction or retrofit applications • Sealed Cabinet Design • High strength doglegs for easy installation and removal • Magnetic, small perforation grille • Design and final voicing engineered by Paul Barton • Ideal match with CS 500W subwoofer amplifier


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PSB Speakers

-role
Technical Specifications
Brands PSB Speakers
Series Custom Sound Series
Size 2 x 8"
Speaker Type Subwoofer
  • Details
  • Downloads
  • Where to Buy
  • Ordering

CSIW SUB28 – Dual 8″ In-Wall Subwoofer

Dual 8″ in-Wall Subwoofer
The CSIW SUB28 is a premium in wall sealed cabinet subwoofer with dual 8” high performance drivers capable of delivering detailed low frequency performance. Equipped with heavy duty nylon dog-ears, and a magnetic small perforation grille, the CSIW SUB28 can be used in both new construction or retrofit applications. Versatile, and easy to deploy, the CSIW SUB28 is a cornerstone of hidden audio system design.

  • Dual 8″ Passive In-Wall Subwoofer
  • Polypropylene cone, rubber surround
  • Designed for both new construction or retrofit applications
  • Sealed Cabinet Design
  • High strength doglegs for easy installation and removal
  • Magnetic, small perforation grille
  • Design and final voicing engineered by Paul Barton
  • Ideal match with CS 500W subwoofer amplifier
  • Height : 25 3/8″ – Width: 13 1/2“ – Depth: 3 3/4“

Specifications

Sound Pressure Level
  • Maximum @ 100Hz    TBD
Sensitivity
  • Anechoic Chamber    87dB
  • Listening Room    89dB
Impedance
  • Nominal    4 Ohms
Acoustic Design
  • Woofer (Nominal)    
    • 2 x 8" (100mm)
    • Carbon Fibre Cone
    • Rubber Surround
    • Steel Basket
Construction
  • Cabinet    Metal
  • Grille Face    Metal
Dimensions / Weights / Finish
  • Dimensions    
    • Net W - 13 1/2"* (343mm)
    • Net H - 25 3/8” * (625mm)
    • Net D - 3 3/4” * (95mm)
  • Shipping Dimensions    
    • Net W - 18 1/2"* (470mm)
    • Net H - 31 4/5” * (808mm)
    • Net D - 12 1/5” * (310mm)
  • Volume    0.3 ft³
  • Weight    Net - 26lb (12kg)
  • Shipping - 32.6 lb (14.8 kg)
  • Finish    White Paintable Grille
Notes    * Non-metric measurements are approximate.
All specifications are subject to change without notice.

Ordering from Amber Technology

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You can place an order using guest checkout, and we’ll email your order details when we ship.

You can register by following this link. When you register, we will retain your order history and checkout information for future transactions. Registration is quick and free. We’ll never share your registration details outside Amber Technology.

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If you need help with any login or site-related issues, please contact us here.

Shipping

Orders placed though the Amber Technology website are despatched from our Sydney warehouse. Orders placed before 1.00pm Sydney time (for items in stock) will generally be shipped on the same day. 

We ship using Startrack Express. We deliver Australia-wide to residential, business and PO box addresses.

Shipping is free for all orders over $1100 including GST (effective 1 April 2026). There is a $33 (including GST) shipping and handling charge for all orders under $1100 including GST. 

Tracking

Tracking numbers for your order can be found in the order history section of your dashboard. If you have any questions regarding shipping, please contact us.

Warranty

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

All items purchased from Amber Technology will be covered under warranty. The duration and terms of this warranty are specified by the manufacturer unless otherwise stated. Warranty information is available on the individual product listings on this site.

Refurbished items will include a 12 month warranty unless otherwise stated.

Please contact us if you have received an item which has been damaged in transit or is otherwise not working correctly when you receive it. Subject to availability, we will arrange for a replacement item to be despatched and for the faulty item to be returned to us. 

Amber Technology maintains a nation-wide network of carefully selected Authorised Service Agents to ensure that you are never far from convenient, expert technical and service support. If your item develops a problem and requires servicing under warranty, please contact your local Authorised Service Agent.

Stock Availability

The availability of stock is communicated via the indicator of each product listing page. "Available" means that reasonable stock is in our warehouse, ready for immediate shipment. "Limited Stock" means that we have only a small number of items in stock. "Out of Stock" means this item is currently unavailable for immediate shipment - orders placed for ‘Out of Stock’ items will be fulfilled as soon as replacement stock arrives.

"Special Order” items are products that are not generally kept in stock in Australia. Lead times for Special Order items vary depending on country of origin, manufacturer’s stock levels, factory production schedules and/or incoming shipment transit times. Please contact us for an estimate as to the likely lead time. Please note that finalized sales for special order items cannot be cancelled.

Refurbished items

If refurbished stock is available, this will be shown on the summary page for the product. If a product listing only allows you to choose refurbished stock, we are not holding new stock and we can no longer obtain new stock.

Refurbished items are always in perfect working order and will include all accessories. Refurbished items are may

  • have a damaged carton
  • have been used for demonstrations
  • have been repaired
  • have minor imperfections that do not impact performance.

Refurbished items include a 12-Month warranty unless otherwise stated.

Technical Support

Please visit the Get Support page to find a service agent, log a service ticket, or ask a technical question about your product.

Returns

Please contact us if you have received an item which has been damaged in transit or is otherwise not working correctly when you receive it. Subject to availability, we will arrange for a replacement item to be despatched and for the faulty item to be returned to us.  

Accessories

  inc GST
RRP $1,899.00
 
(Each)