description Cambridge Audio CXA81 Amplifier Overview
The Cambridge Audio CXA81 is a network-attached amplifier designed for audiophiles and serious home stereo enthusiasts. It combines discrete Class D amplification with a built-in Digital Audio Converter (DAC). This allows users to stream high-resolution audio from various network sources like internet radio or music services directly into their existing hi-fi systems, offering precise and detailed sound reproduction.
help Cambridge Audio CXA81 Amplifier FAQ
Is the Cambridge Audio CXA81 actually a network streaming amplifier?
No. The CXA81 is an integrated stereo amplifier with digital inputs and Bluetooth, but it does not contain the network-streaming platform found in Cambridge Audio's Evo or CXN products.
Is the CXA81 a Class D amplifier?
No. Cambridge Audio specifies a Class AB design rated at 80 watts per channel into 8 ohms, increasing to 120 watts per channel into 4 ohms.
Which DAC and digital connections are built into the CXA81?
The original CXA81 uses an ESS Sabre ES9016 DAC. Its digital inputs include USB audio, coaxial S/PDIF, and optical connections, allowing a computer, television, or separate streamer to use the internal converter.
Can the CXA81 drive two pairs of speakers and a subwoofer?
It provides switchable A and B speaker outputs plus a dedicated subwoofer pre-out. Running two pairs simultaneously changes the electrical load, so both speakers' impedance and Cambridge Audio's guidance should be checked.
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