Bowers & Wilkins SA250 (Mk 2) Subwoofer Amplifier


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Bowers & Wilkins are a well-known name in hifi and develop some of the most highly advanced traditional loudspeakers on the market today. It's with this prestigious reputation and the wealth of experience that comes with it, that Bowers & Wilkins are able to incorporate the same standard of outstanding sound quality into their in ceiling and in wall models.

The SA250 Mk 2 is a rack-mountable Class D amplifier, designed specifically to power and enhance Bowers & Wilkins' in-wall subwoofer models. This subwoofer is required when using either the ISW-4 or ISW-3 in wall subs, and will provide them with an incredibly powerful, yet stable response, allowing these subwoofers to reproduce bass to a superlative level of accuracy and control. 

The SA250 Mk 2 can power two in-wall subwoofers at once.


Compatible With ISW-3 In-Wall sub
ISW-4 In-Wall sub 


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Providing your item is in stock, the order is usually dispatched within 24 hours. Please remember that postage and packing is completely free for orders over £50*. Out of stock items will be dispatched as soon as they become available, out of stock items can take between 4 to 21 days for dispatch. For information on delivery costs, please refer to the table below or click this link for more information.


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Shipping CostsMainland UK (Next-Day)Offshore/Out-of-reach (2-day)Nothern Ireland, Channel Islands, Isle of Man, Scottish Islands, Scilly IslandsRepublic of Ireland (2-day)
Under £50 Orders £7.50 £12.50 £15.00
Over £50 Orders FREE £19.99 £29.99
Surcharge Orders £50.00 £69.99 £79.99
Saturday by 12 £35.00 N/A N/A


*We ship free of charge to mainland UK addresses, excluding the Scottish Highlands or 'Out-Of-Reach' Scottish locations. Please consult the list of post-codes located here to see if your location falls within this category. If you are still unsure, please contact us on 01432 354921. We also ship to Northern Ireland, Channel Islands, Scilly Isls, Scottish Isles and Scottish Highlands, however delivery to these locations will incur a charge and can only be sent via a 2-day service.