Edge A

Integrated Amplifier

  • Built to celebrate musicality – Our most detailed integrated amplifier.
  • Hand-picked components – hours of listening to select only those that sound the best.
  • Twin Toroidal Transformers – huge reserves of power for consistent tonality.
  • Cambridge Audio proprietary Class XA Amplification - no audible crossover distortion.
  • Ready for digital – built-in DAC with digital inputs including TV ARC and Bluetooth aptX HD.
  • Edge A Hero

    Our Most Detailed Integrated Amplifier

    Edge A is made to celebrate musicality. Riffs, phrases, percussive rolls – take in every detail of your music thanks to its dynamic setup. Effortlessly powerful, but with incredible depth, the overall sound is breath-taking – like you’re sat in the recording booth with the musicians.

    • what hi-fi 5 stars logo

      "At this price, we can’t think of a more complete alternative than the Edge A. Cambridge has done a terrific job."

    • stereophile logo

      “a sonic powerhouse”

    • ecoustics logo

      "the amplifier just does everything you ask of it with finesse, a huge soundstage, and surprising amount of warmth.”

    • gear patrol logo

      "If you were to build out the perfect hi-fi system for your dream house, this amplifier would probably be at its heart"

      Edge A Integrated Amplifier

      Breathtaking Musicality

      Edge A is designed to bring musical detail to life. It delivers a finely balanced sound with a depth and clarity that come through with every note. We developed the system by ear, testing every component and only choosing those that blew us away. The end result is a ground-breaking arrangement that produces a much cleaner signal path and lets your music breathe. Edge A perfectly delivers our classic British sound – nothing added, nothing taken away.

      Edge A Integrated Amplifier dark close-up

      More Musical Detail

      We pioneered the use of toroidal transformers in amplifiers, which led to improved performance. In Edge we take this one step further, using opposing symmetry twin toroidal transformers. This cancels out electromagnetic interference whilst offering outstanding power and maintaining consistent tonality, no matter how loud it’s played.


      Effortless Power Without Distortion

      Using standard Class A amplifier technology wasn’t going to be efficient enough for Edge A. Instead we added a bias voltage to a traditional Class AB design, reducing distortion to inaudible levels. This unique configuration also produces less heat and makes the whole system much more effective.


      Hi-Res Bluetooth

      Pair any Bluetooth device to your Edge A to easily stream your music. With aptX HD support, you can play your audio at up to 24-bit/48kHz quality for an incredibly rich listening experience.

      Edge A Integrated Amplifier

      Sonic Balance

      Edge A was designed with a unique PCB. Our engineers replaced conventional capacitors with a DC coupled topology and also added a solid-state volume control. The end result is a clean signal path that’s perfectly balanced at any volume.

      Edge A Integrated Amplifier, laptop and guitar

      Perfect Partners

      Edge systems are designed to work in perfect synchronisation. Match the performance of Edge A with loudspeakers to make the foundations of a hi-fi system unlike anything else.

    • Press reviews

      • The Ear

        United Kingdom, June 2020

        ‘The way this amp lays out all the detail in front of you and yet delivers it all in a cohesive fashion is nothing short of breathtaking.’
      • Sound & Vision

        United States, December 2018

        ‘...Some [audiophiles] believe that a separate power and preamplifier is the only way to achieve point-of-diminishing-returns sound quality. But as the Edge A integrated stands ready to show, they’re wrong. I’ve heard the proof.’
      • AVTech Media

        United Kingdom, November 2018

        BEST HIGH-END INTEGRATED AMPLIFIER 2018/19 '[W]hat really gives this integrated amp ‘the edge’ over its rivals is its compelling music delivery. Mixing room-shaking prowess with effortless purity, it’s nothing short of a marvel at the price.'
      • Secrets of Home Theater and High Fidelity

        United States, January 2022

        “While the integrated amplifier market gets ever more crowded, the Cambridge Audio Edge A stands out with its stunning good looks and equally lush sound quality.”
      • The Ear

        United Kingdom, December 2020

        'From the very moment it touched down on my doorstep, something told me that the hefty Edge A integrated amp was going to be something very special indeed.'
      • Hi-Fi +

        United Kingdom, December 2018

        '[Edge A is a] stunning new integrated amplifier. Cambridge Audio has long held the reputation of making affordable giant killers. In its 50th year, it made its own giant, and even that is still a giant killer in its own right.'
      • Gear Patrol

        United States, December 2018

        'Cambridge Audio's most powerful and detailed integrated amplifier ever...' '...If you were to build out the perfect hi-fi system for your dream house, this amplifier would probably be at its heart.'

        Customer Reviews

      • The details

        Continuous power output 100W RMS into 8 Ohms; 200W RMS into 4 Ohms
        THD (unweighted) <0.002% 1kHz at rated power (8 Ohms); <0.02% 20Hz – 20kHz at rated power (8 Ohms)
        Frequency response <3Hz – >80kHz +/-1dB
        S/N ratio (ref full power) >103 dB
        Crosstalk @ 1kHz < -100dB
        Input sensitivity Input A1-A2 (unbalanced) 380mV RMS
        Input impedances Input A3 (balanced) 47k Ohm; Input A1-A2 (unbalanced) 47k Ohm
        Inputs Balanced, Coax S/PDIF, TOSLINK, USB Audio, Unbalanced, Bluetooth, Audio Return Channel (ARC)
        Outputs Speakers, Preamplifier, Headphones (impedance of between 12 and 600 ohms are recommended)
        USB audio input USB Audio Class 2.0 supporting up to 24-bit 384kHz PCM, or up to DSD256
        Bluetooth 4.1 (Smart/BLE enabled) A2DP/AVRCP supporting formats up to aptX HD
        TOSLINK input 16/24 bits, 32-96kHz
        Coax S/PDIF input 16/24 bits, 32-192kHz
        Max power consumption 1000W
        Standby power consumption <0.5W
        Dimensions 150 x 460 x 405mm (5.9 x 18.1 x 15.9")
        Weight 24.4kg (53.7lbs)
        In the box Edge A Integrated Amplifier; 1.5M Power Lead; Edge Remote Control; 3 x AAA Batteries; Bluetooth Antenna; Edge Link Cable; Edge A User Manual