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Cambridge Audio CXA81 80 Watt Integrated Stereo Amplifier with aptX HD Bluetooth (Gray)

Regular price $999.00
Sale price $999.00 Regular price
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Product Information

Model: C11130K | UPC: 5055300418784


What's In The Box

Product Information

Model: C11130K | UPC: 5055300418784

Rewarding Performance

Cambridge’s CXA81 integrated amplifier builds on the foundations laid by the first CX Series, and over 50 years’ experience of building amps. It offers a progressive perspective – effortless, poised, and sophisticated. 80 watts per channel give CXA81 complete authority over music, to reveal every emotion and nuance from your whole music collection – be that streamed or on disc.


  • Award-Winning Sound - 4x winner of What Hi-Fi? Product of the Year
  • New CX Black Edition now available
  • 80 watts per channel power to drive the most demanding speakers 
  • Class AB Amplification for balanced & efficient performance 
  • Toroidal Transformer for incredible sound-staging 
  • High Quality ESS Sabre ES9016?DAC – to realize digital music at its best 
  • Digital inputs –?TOSLINK, Coaxial & USB Audio Input (up to 24-bit/384kHz & DSD256 digital files from Mac/PC) 
  • Balanced XLR inputs for premium connection 
  • Bluetooth aptX HD input connects wirelessly to devices, including Alva TT V2

Your World’s a Stage

The thing that hits you when you hear CXA81 for the first time, is just how detailed everything sounds. You’ll pick up instruments, subtle shifts in tone, and harmonies you’ve previously missed. Close your eyes, and you’ll be able to place every musician in the soundstage. Once you’ve experienced CXA81, there’s no turning back.

Return on Investment

Cambridge’s engineering team in London invested hours researching, developing, experimenting and, above all, listening to ensure that CXA81 was right. Their goal: to make the most accomplished and absorbing integrated amp in its class. Every component selected, and decision made, based on the desire to deliver the most complete musical picture possible.

Effortlessly Musical

At the heart of CXA81 beats a Class AB power amplifier stage with optimized capacitor values. It takes the musicality of Class A and blends it with the efficiency of Class B. The amp’s short signal path is efficient, leaving little opportunity for interference. The resulting sound is pristine while delivering the emotional impact the artist intended.

Power with Control

Thanks to a generous toroidal transformer, CXA81 delivers a prodigious 80 watts of power per channel. Dual taps into the left and right of the amplification board mean that, in effect, each channel has its own power supply – resulting in a vivid sound stage. Dynamic shifts in music – like those loud then quiet moments –?are handled with ease. 

Get the Message 

Designed to bring your music to life, CXA81’s state-of-the-art digital circuit board includes the cutting-edge ESS Sabre ES9016 digital-to-analogue converter (DAC). This means digital audio files, up to a heady 32-bit/384kHz or DSD256, are energized – with every subtle detail delivered in full. CXA81 combines unparalleled accuracy with vivid musicality, doing so beautifully.

Get Connected

CXA81 has connectivity covered. As well as digital optical, coaxial and USB Audio, it features stereo RCA inputs, balanced XLR sockets plus wireless hi-res connectivity via Bluetooth aptX HD – perfect for Alva TT V2. You can even connect a second set of speakers, to hear your music in another room.

*Please note: Included Bluetooth antenna is required to enable Bluetooth connectivity

Designed for Life

Thanks to the relentless dedication of Cambridge’s team in London, CXA81 is a complete solution. Its combination of versatility, power and audio excellence means it can form the center of your musical experience for many years to come.?Its elegant, minimalistic lines, crafted from aluminum and steel, will endure both physically and aesthetically. 



  • Power Output: 80W RMS into 8 Ohms, 120W RMS into 4 Ohms
  • DAC: ESS Sabre ES9016K2M
  • Frequency Response: <5Hz - 60kHz +/- 1dB
  • Analog Audio Inputs: 1x balanced XLR, 4 x RCA
  • Digital Audio Inputs: 1 x S/PDIF coaxial, 2 x TOSLINK optical, 1 x USB audio, Bluetooth (integrated)
  • Compatibility: TOSLINK optical: 16/24bit 32-96kHz PCM only, S/PDIF coaxial: 16/24bit 32-192kHz PCM only, USB: audio profile 1.0/2.0 (default 2.0), up to 24-bit 384kHz PCM, up to DSD256 or DoP256, Bluetooth: 4.2 A2DP/AVRCP supporting up to aptX HD (24bit 48kHz)
  • Bluetooth aptX HD Receiver built-in: Yes
  • Roon Tested: Yes
  • Outputs: Speakers A+B, 3.5mm headphone, Preamp Output, Subwoofer Output
  • Remote Control: Yes
  • Max Power Consumption: 750 W
  • Standby Power Consumption: <0.5W
  • Dimensions (W x H x D): 16.9" x 4.5" x 13.4"
  • Weight: 19.1 lbs

What's In The Box

  • CXA81 80 Watt Integrated Stereo Amplifier with aptX HD Bluetooth
  • Power Cable
  • Remote Control
  • Control Bus Cable
  • Bluetooth Antenna
  • Quick Start Guide
  • Saftey Guide
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