Product Details

McIntosh Headphone Amplifier

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  • The MHA100 headphone amplifier features McIntosh’s Headphone Crossfeed Director (HXD®) to allow high quality recordings to image like conventional speakers in your headphones, bringing new depth and spatiality to your music. Four digital inputs allow the McIntosh Digital Engine to decode your digital music at up to 32 bits and 192kHz for maximum analog fidelity; two analog inputs are also available. 50-watt stereo speaker outputs are included for when you want to enjoy your favorite speakers instead of your headphones. Works with nearly any headphone brand or design.


    Up to 100W speaker output (50W x 2)

    For robust sonic performance.

    Autoformer technology

    Offers selectable 8-40 ohms, 40-150 ohms and 150-600 ohms impedance ranges to accommodate a wide range of headphones.

    HXD (Headphone Crossfeed Director)

    Delivers brilliant audio output comparable to conventional speakers via connected headphones when listening to high-quality recordings.

    McIntosh Digital Engine

    Offers up to 32-bit/192kHz digital music decoding for precise, lifelike sound reproduction.

    Sentry Monitor power output stage protection circuits

    Help ensure lasting performance and safeguard headphones against impedance mismatch. Built-in thermal protection circuits provide defense against overheating.

    Direct Current Detection and Protection

    Shield headphones and loudspeakers. Power Guard circuit helps minimize amplifier clipping and offers additional protection for connected equipment.

    Large power transformer

    Along with multiple large filter capacitors and a regulated power supply promotes stable, low-noise operation.

    Multifunction OLED display

    Plus illuminated meters and fiber-optic solid state front-panel illumination ensures a clear view of important information.

    Electronic input switching

    Allows users to easily switch between inputs with minimum noise and distortion.

    Glass front panel and super mirror chassis finish

    Offer a sleek look. The compact design provides versatile placement options.


    Include AES/EBU, coaxial and optical digital, as well as a USB 2.0 port, for flexible connectivity.

    1/4" headphone output

    Allows simple connection of compatible headphones (not included). Also features a stereo preamplifier output.


    Product Brand McIntosh
    Model Number MHA100
    Color Black/Silver
    Color Category Black
    Product Depth 18
    Product Length 5.6
    Product Weight 26.5
    Product Width 11.5
    Manufacturers Warranty Labor 3 years limited
    Manufacturers Warranty Parts 3 years limited
    Condition NEW
    Box Contents MHA100 Headphone Amplifier
    Additional Accessories Included Remote
    Headphone Jack true
    Inputs USB 2.0
    Bass Boost Selectable
    Maximum Frequency Response 100
    Minimum Frequency Response 10
    Number Of Channels 2
    Preamp Outputs true
    Signal To Noise Ratio 105
    Total Harmonic Distortion 0.005
    Total Power Handling 100