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        MC331 Hybrid Tube Amplifier

        Fosi Audio MC331 Hybrid Tube Amplifier

        €139,95

        10+ In stock

        Add to cart

        Fosi Audio MC331 Hybrid Tube Amplifier

        10 reviews
        5 from 5
        10 reviews
        5 stars
        70%
        4 stars
        10%
        3 stars
        20%
        2 stars
        0%
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        Brand: Fosi Audio
        2 x 105 W
        MC331 Hybrid Tube Amplifier
        MC331 Hybrid Tube Amplifier
        MC331 Hybrid Tube Amplifier
        MC331 Hybrid Tube Amplifier
        MC331 Hybrid Tube Amplifier
        MC331 Hybrid Tube Amplifier
        MC331 Hybrid Tube Amplifier
        MC331 Hybrid Tube Amplifier
        € 115,66€ 139,95 10+ In stock
        • -5% Purchase 4 for only € 132,95 per piece
        € 139,95
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        • At least two years warranty
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        MC331 Hybrid Tube Amplifier
        MC331 Hybrid Tube Amplifier
        MC331 Hybrid Tube Amplifier
        MC331 Hybrid Tube Amplifier
        MC331 Hybrid Tube Amplifier
        MC331 Hybrid Tube Amplifier
        MC331 Hybrid Tube Amplifier
        MC331 Hybrid Tube Amplifier

        Pros and cons

        According to our specialists
        • Equipped with replaceable 5654W vacuum tubes for rich and warm audio.
        • Classic Retro Design with Bluetooth
        • With Remote-control

        Product description Fosi Audio MC331 Hybrid Tube Amplifier

        The Fosi Audio MC331 is a 2.0 channel hybrid tube amplifier designed for audiophiles who value both sound quality and design aesthetics. It integrates a built-in DAC and vacuum tube technology to deliver a warm, rich sound profile. Featuring multiple input and output options—including Bluetooth, USB, Optical, Coaxial, and RCA—it is compatible with a broad range of devices and ensures seamless audio connectivity.

         

        Highlights of the Fosi Audio MC331

        • All-in-One Functionality: Works as a DAC, preamp, and amplifier to suit versatile audio setups.
        • Premium Sound Enhancement: Equipped with replaceable 5654W vacuum tubes for rich and warm audio.
        • Flexible Connectivity: Supports Bluetooth, USB, Optical, Coaxial, and RCA inputs, along with speaker, pre-out, and headphone outputs.
        • Classic Retro Design: Features a VU meter and visible vacuum tubes for a nostalgic visual appeal.

         

        Product Details of Fosi Audio MC331

        Fosi Audio MC331 Hybrid Tube Amplifier

         

        With an emphasis on ease of use, the amplifier allows users to control all functions via the front panel or a remote control. The retro-inspired design incorporates a VU meter that dances to the music’s rhythm, adding both functionality and style. Its robust build and innovative features make the MC331 an excellent choice for enhancing home audio systems.

         

        Additional specifications include a dynamic range of ≥100 dB, THD ≤0.03%, and support for a headphone impedance range of 32-300Ω, ensuring detailed and distortion-free sound. The unit’s compact form factor makes it a convenient yet powerful addition to any audiophile’s setup.

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        Specifications

        Article number
        MC331
        EAN
        6976136960539
        Rated power output (RMS)
        2 x 105 Watt
        Minimum load
        4 Ω
        Signal-to-noise ratio (SNR)
        >100 dB
        Distortion
        0.03%
        Optical S/PDIF in/out
        -/1
        Coaxial in/out
        1/-
        RCA in/out
        1/-
        USB
        Input
        Headphone jack
        3.5 mm Jack
        Bluetooth
        Input
        Remote control
        Yes

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        Reviews

        10 reviews
        Review this product
        5 of 5
        It looks very nice on my desk! It also really helps that it has multiple input methods and even built-in DAC (I am using Toslink). The built-in EQ is usable, although it is a bit weird to me that bass is on the right and treble on the left. Also I would like to know what frequencies the bass and treble control are actually using, couldn't find this in any documentation... Maybe I didn't look enough? I would really like it to have a parametric mi...

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        By Simon Joel on 30 September 2026
        3 of 5
        Kan geen 100 watt RMS zijn, geluid warm en niet heel strak. Laag volume is problematisch door noise suppression maar uiteindelijk goed tevreden!
        By Pieter on 14 September 2026
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        MC331 Hybrid Tube Amplifier
        € 115,66
        € 139,95
        MC331 Hybrid Tube Amplifier
        10+ In stock
        Add to cart
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