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Sydney's Amplifiers Expert

Bowers & Wilkins - SA250 Mk2 - Amplifier

SKU SA250 Mk 2

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Bowers & Wilkins SA250 MK2 Subwoofer Amplifier is specifically designed for Custom Installation In-wall subwoofers, the ISW-3 and ISW-4. Deceptively slim at 89 mm, and weighing 5.4 Kg, it provides 250 Watts of power. The SA250 Mk2's equalization is custom-tailored to the In-wall subwoofers, with a two-position EQ switch to select between the ISW-3 and ISW-4.


1-year manufacturer's warranty

Key Features:

  • Rack mount amplifier for custom installation In-wall subwoofers
  • 250W Class D amplifier
  • Two-position EQ switch

Technical Specifications

Description 250W rack-mount amplifier with builtin subwoofer equalisation
Amplifier Inputs

- 2x RCA Phono socket, line in
- 2x RCA Phono socket, link out
- 1x XLR socket, line in
- 1x XLR socket, link out
- 3.5mm jack - 12V trigger on/standby
(overrides manual standby setting)
- 3.5mm jack - 12V trigger equalisation

Amplifier outputs

- 1x Neutrik® Speakon® 4-pole speaker socket
- 2x pairs of Binding Posts

Amplifier power output
250 Watts
Input impedance 33kΩ
Signal / noise
Rated power consumption
95W – 1/8 full power
30W – Idling
Height: 100mm (3.9 in) [88.5mm (3.5 in) plus feet]
Width: 430mm (16.9 in)
Depth: 322mm (12.7 in)
Front panel Height: 2U 88.1mm/3.5 in

Net Weight

5.4kg (11.9 lb)