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Behold the Sugden Masterclass IA-4 Integrated Amplifier - a testament to Sugden's dedication to crafting exceptional audio experiences. As their flagship integrated amplifier, the IA-4 seamlessly combines unparalleled power, exquisite detail, and versatile functionality to redefine the boundaries of high-fidelity sound.


Unveiling the Power of Pure Class A:

  • Upgraded Class A Power Output: Immerse yourself in the captivating warmth and detail of Sugden's pure Class A sound. The IA-4 boasts an upgraded power circuit featuring a larger power supply and enhanced smoothing and output capacitors, delivering a truly refined listening experience.
  • Exceptional Performance: Enjoy exceptional power with 33 watts RMS per channel, effortlessly driving a wide range of speakers and filling your listening space with rich, detailed sound.


Unwavering Commitment to Fidelity:

  • Bespoke Pre-Amplifier Section: Experience crystal-clear audio with the IA-4's meticulously designed pre-amplifier section. This bespoke design prioritizes clarity and detail, ensuring an accurate and uncolored presentation of your music.
  • High-Quality Phono Stage: Connect your turntable directly to the IA-4 using the integrated high-quality phono stage. This eliminates the need for an external phono stage and ensures exceptional sound quality for your vinyl collection.
  • Gold-Plated Circuitry, Relay Switching, and Precision Controls: The IA-4's meticulous construction utilizes gold-plated circuit boards, full relay switching, and a precision input selector switch. These high-quality components contribute to exceptional signal fidelity and a luxurious user experience.


Unmatched Versatility and Control:

  • Comprehensive Input and Output Options: Connect a wide range of sources with ease using the IA-4's diverse selection of inputs: three line-level, tape, MM phono, and balanced. Additionally, variable pre-out, fixed out, and loudspeaker outputs provide flexibility for integrating the IA-4 into your existing audio system.
  • Remote Control Convenience: Control the IA-4 from the comfort of your listening position using the included RC5-compatible remote control.


Experience the Sugden Masterclass IA-4 Integrated Amplifier and rediscover the magic of music. It's a statement piece for the discerning listener, delivering unparalleled audio performance and timeless elegance.

Sugden Masterclass IA-4 Integrated Amplifier:

PriceFrom R170 000,00
  • Line Input Sensitivity:

  • Phono Input Sensitivity:
    2mV (MM)

  • Power Output:
    33 Watts RMS per channel

  • Frequency Response:
    +/- 1dB from 14Hz to 200kHz

  • Bandwidth:
    6Hz to 300kHz

  • Signal to Noise Ratio:
    > 84dB

  • Dimensions:
    165 x 430 x 440mm (hwd)

  • Weight:
    20kg (packed)

  • Inputs:
    Three line level, tape, MM phono, balanced

  • Outputs:
    Variable pre-out, fixed out, loudspeaker out

  • Volume Control:
    Remote control RC5 compatible

  • Tape Monitor and Record Off

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