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Bowers & Wilkins CDA-4D - Black - FP43621
Item #: BW-FP43621
$2,000.00
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CDA-4HD
Compact 125 distribution amplifier
A compact distribution amplifier with four channels of 125 watts each, DSP for product optimization and dynamic EQ for subwoofers.
CDA-2HD DSP Amplifier
The CDA-4D is a compact distribution amplifier, designed to power current and future Bowers & Wilkins Custom Installation loudspeakers. Embedded DSP allows optimization of a wide range of products and dynamic EQ for Bowers & Wilkins subwoofers. It boasts four channels of 125 watts each, and its full-rack-width 1U design delivers high-performance from minimum rack space.
![]() | Impressively smartTo ensure the CDA-4D delivers in the modern custom installation system, it is equipped with Digital Signal Processing (DSP). This allows it to be used in wide variety of situations, provides control over IP and configuration, and for providing dynamic EQ for Bowers & Wilkins subwoofers. |
Compact powerhouse.CDA-4D's 1U size means that it takes up the minimum of rack real estate. But with four channels of 125 watts of Class D amplification on hand it can deliver power when required. Plus, as it’s bridgeable this can be configured to 2 x 250 watts, ora 2.1 setup (2 x 125 watts and 1 x 250 watts), where needed. | ![]() |
![]() | FlexibleWhether you are looking to upgrade an in-situ installation or planning a new one, the CDA-4D DSP amplifier is ideal. It can drive two zones, and works with a wide variety of Bowers & Wilkins products, both current and future. |
Don't look. Listen.
Details & Specifications
Load impedance range |
>3Ω per channel (>6Ω in bridge mode) |
Output Power per channel, non-clipped |
60W into 8Ω |
Output Power bridge mode, non-clipped |
125W into 4Ω |
Output Power total, all channels |
250W into 8Ω |
DC offset voltage |
<50mV |
Frequency Response (-3dB) |
<10Hz to >30kHz, any load impedance |
Frequency response accuracy (20Hz-20kHz) |
+/-1dB |
Dynamic range |
>85dB A-Weighted |
THD+N (1kHz, 500W, 4Ω) |
<1% |
Voltage Gain |
15dB to 39dB, adjustable |
Input impedance |
10kΩ |
Maximum input voltage |
4Vrms |
Signal sense threshold |
2.5mV (independent of Gain setting) |
Wake-up time |
<0.2s (If other zones active) |
Turn-off time |
<2s (From all zones inactive) |
12V trigger input threshold |
Typically 3V (recommended input is 5-15V) |
Controls & Indicators |
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Connectors |
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Power |
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Thermal dissipation |
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Dimensions |
Net weight: 4.1kg (9.0lb) |
Finish |
Black |
Specs
Item #: BW-FP43621
Manufacturer Part #: FP43621










