Model: FP43621
from $1,000
The Bowers & Wilkins CDA-4D is a compact 4-channel distribution amplifier designed to power your audio system with precision. This versatile unit features both analog and digital inputs, including RCA and Ethernet, alongside two 4-way Phoenix Combicon style outputs for flexible connectivity across two audio zones. With adjustable voltage gain from 15dB to 39dB, a frequency response of <10Hz to >30kHz, and a robust 130W maximum average power consumption, the CDA-4D delivers reliable performance for distributing high-quality audio throughout your space.
Match your amplifier's power output (Watts RMS) to your speakers' sensitivity and impedance (Ohms). Do not obsess over astronomical peak wattage claims; RMS is the true measure of sustained power. Available from $1,000.
Amplifiers have practically zero ongoing costs aside from electricity, which is highly variable based on usage volume and class type (Class A uses more power than Class D). Good amplifiers can last decades with proper care. Consumables are virtually non-existent unless using tube amps.
Common Failure Modes
Solid-state amplifiers are extremely reliable. Failures usually stem from blown capacitors, overheated output transistors, or physical wear on volume potentiometers. Proper ventilation prevents 90% of heat-related failures.
Match your amplifier's power output (Watts RMS) to your speakers' sensitivity and impedance (Ohms). Do not obsess over astronomical peak wattage claims; RMS is the true measure of sustained power. Class D amplifiers run cool and are compact, while Class A/B offer traditional warm sound at the expense of heat and size.
Solid-state amplifiers can last 20+ years. Capacitors may eventually dry out and need replacement.
The Bowers & Wilkins Amplifier CDA-4D 4-Channel Compact Distribution is available at bhphoto, abt, starting at $1,000.
Amplifiers have practically zero ongoing costs aside from electricity, which is highly variable based on usage volume and class type (Class A uses more power than Class D). Good amplifiers can last decades with proper care. Consumables are virtually non-existent unless using tube amps.
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