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McIntosh MXA70 Integrated Audio System

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  • Product Description

    ​The MXA70 Integrated Audio System features a compact yet fully functional 50 watt stereo amplifier and a pair of specially designed 2-way desktop speakers. The speakers are finished in a luxurious, high gloss piano black, and achieve an unusually rich and full sized level of performance for their size.

    Six inputs provide you the flexibility to connect a variety of your music sources; four of the inputs are digital and allow the McIntosh Digital Engine to decode your digital music at up to 32 bits and 192kHz for maximum analog fidelity and enjoyment.

    "A large dose of McIntosh in a compact package... a classy system that offers a fuss-free way to owning a McIntosh product" - What Hi Fi

    For those times when you want to enjoy your music in a more intimate way, the MXA70 includes a dedicated headphone amplifier that takes advantage of unique McIntosh technologies so that every headphone - from ear buds to studio quality phones - will yield the best possible personal listening experience. Our new Headphone Crossfeed Director (HXD®) enables high quality recordings to image like conventional speakers in your headphones, bringing new dimensions to your music.

    "A smoothness and a refinement you wouldn't expect from a mini system." - Hi-Fi Choice UK

    The MXA70's compact size gives you choice and flexibility when deciding where to place it in your room. It makes a great audio system for your office, bedroom or vacation house.

    "This is a little gem of an audio system. It sounds as good as systems many times it size -- though diminutive, it produces quite robust, clean sound. Not to be ignored, it is a very visually pleasing system, with extremely high build quality. My sound source is the optical output of a pretty good Yamaha CD player plugged into the digital input on the McIntosh. I immediately heard nuances in music I'd listened to for years... It is rather astonishing that so much music can come from such a small system." - MichaelB from Chicago, IL (customer review)

    Our Power Guard® circuitry will prevent clipping that could damage your headphones or speakers, while a 5 Step Bass Boost Control allows for further tonal customization. The amplifier is housed in a beautiful polished stainless steel chassis that not only compliments the classic glass front panel, knobs, brushed aluminum end caps and gloss black speakers, but also blends nicely with any room decor. ​​​​​​​​​​​​​​​

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  • Other Details

    Electronic Specifications

    Power Output per Channel 50 Watts
    Speaker Impedance 8 Ohms
    Rated Power Band 20Hz to 20kHz
    Total Harmonic Distortion 0.005%
    Intermodulation Distortion 0.005% maximum, if the instantaneous peak power is 100 watts or less per channel with both channels operating for any combination of frequencies from 20Hz to 20kHz
    Dynamic Headroom 1.5dB
    Frequency Response +0,-0.5dB 20Hz to 20kHz
    Frequency Response, +0, -3dB 10Hz to 100kHz
    Sensitivity (Unbalanced) 300mV
    Sensitivity (Balanced) 600mV
    Maximum Input Signal (Unbalanced) 8V
    Maximum Input Signal (Balanced) 16V
    Signal To Noise Ratio 105dB
    Input Impedance (Balanced / Unbalanced) 25K/25K
    Damping Factor >150
    Preamplifier Output 3V (8V maximum)
    Preamplifier Output Impedance 500 Ohms
    Voltage Gain 36.5dB
    Power Guard <2% THD with up to 16dB overdrive at 1kHz

    Loudspeaker Specifications

    System Driver Complement One 4 inch Woofer/Midrange
    One 3/4 inch Dome Tweeter
    Impedance 8 Ohms Nominal
    Frequency Response 60Hz - 45kHz
    Sensitivity 80dB (2.83V/1m equivalent)
    Crossover Frequency 2,000Hz
    Power Handling 75 Watts
    Enclosure Finish High Gloss Black
    Grille Finish Black Knit Cloth

    Digital Audio Specifications

    Digital Coaxial Input Sample Rate 16Bit, 24Bit - 32kHz to 192kHz
    Digital Optical Input Sample Rate 16Bit, 24Bit - 32kHz to 192kHz
    Digital AES/EDU Input Sample Rate 16Bit, 24Bit - 32kHz to 192kHz
    Digital USB Input Sample Rate 16Bit, 24Bit, 32Bit - 32kHz to 192kHz

    Headphone Output Specifications

    Headphone Power Output High Selection: 1W
    Normal Selection: 250mW
    Headphone Output Impedance 8-40 Ohms
    40-150 Ohms
    150-600 Ohms


    Headphone Output 1 (1/4")
    High Level Inputs Unbalanced 1 Stereo
    High Level Inputs Balanced 1 Stereo
    Digital Coaxial Input 1
    Digital Optical Input 1
    Digital AES/EBU Input 1
    Digital USB Input 1
    Preamplifier Output 1 Stereo


    Tone Controls 5 Step Bass Boost Control: 0 to +12.5dB (in 2.5dB steps) @ 40Hz
    Power Control Input Yes
    Power Control Output Yes

    General Specifications

    Output Meters Yes
    Amplifier Type Solid State
    Power Requirement 120V 50/60Hz, 1.5A
    Standby Power Requirement <0.25 Watts
    Output Autoformer Yes for Headphones
    Dimensions (W x H x D) 23-1/4" x 10-7/8" x 18"
    Weight 50 lbs.