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    Fosi Audio Box X4 Phono Preamp with JAN 5654W Vacuum Tubes for MM Turntable Phonograph Record Player with Volume Bass Treble Control

    (2 from fosiaudio.com) Write a Review
    • Upgrade your home audio system with the new-generation phono preamp, the Fosi Audio BOX X2 upgraded version
    • JAN 5654W Tube MM Phono Preamplifier: The BOX X4 phono preamp supports 3.5MM AUX and MM turntable input, converting phono signals to Line Level with low-frequency noise removal using high-quality components and low-noise integrated circuits. Protect your turntable with the grounding post feature
    • Tube Headphone Amplifier & Preamplifier: The Fosi Audio BOX X4's versatile design includes a 3.5MM AUX headphone and RCA output, offering a range of usability beyond expectations
    • Applicable Vacuum Tube Model: 6K4/6J1/6J4/GE5654/6AK5/66*In vacuum tubes, etc. Achieve a customized stereo system by replacing vacuum tubes. With different tubes producing unique sounds, it's a DIY opportunity worth exploring
    • What You Get: BOX X4 phono preamp, DC 12V power supply, user manual
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    Overview
    Specs
    Reviews (2)
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    JAN 5654W Vacuum Tube Phono Preamp/Headphone Amp Product Parameters:
    • Input Interface: MM turntable input, 3.5mm AUX input, 12V DC input
    • Output Interface: RCA output, 3.5mm headphone output
    • Output: Active(powered) speakers, Amplifier, Headphones
    • Applicable headphone types: 16 ohm - 300 ohm
    • Output Voltage Level: 1kHz and 650mV
    • SNR: >70dB
    • THD: <0.1%
    • Frequency Response: Standard RIAA
    • Product Adapter Input Voltage Range: AC 110V - 240V
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    Treble and Bass independent gain rotation design, sound quality is under control, adding more playability and fun for music, more ways to play and wait for you to discover. 

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    A 3.5mm headphone amplifier output interface is compatible with an ordinary 3.5mm headset. It is designed for headphone users, reserves the gain interface for audiophile DIY. This preamp can restore the sound more clearly. 

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    This preamp uses 5654 vacuum tubes, has a softer listening experience, simulating natural sound, makes audio equipment keep a classic acoustic tone, and achieves beautiful HiFi sound quality. 5654 tubes can be replaced by 6K4/6J1/6J4/6AK5/66* In vacuum tubes, etc. to suit audiophiles needs. 

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    Suitable for moving-magnet (MM) cartridges. Precise RIAA equalization. Consistent sonic performance, super low noise. 

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    This mini preamp has stereo RCA inputs and stereo RCA outputs Connect the turntable to the RCA inputs and ground. 

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    The power supply has performances such as short-circuit protection and overload protection. And effectively reduce the impact of AC input.

    JAN 5654W Vacuum Tube Phono Preamp/Headphone Amp
    Product Parameters:

    Input Interface: MM turntable input, 3.5 mm AUX input, 12V DC input
    Output Interface: RCA output, 3.5 mm headphone output
    Output: Active (powered) speakers, Amplifier, Headphones
    Applicable headphone types: 16 - 300
    Output Voltage Level: 1kHz and 650mV
    SNR: 70dB
    THD: 0.1 %
    Frequency Response: Standard RIAA
    Product Adapter Input Voltage Range: AC 110V - 240V

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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    Return Policies

    • Return for refund within: 30 days
    • Return for replacement within: 30 days
    • This item is covered by Fosi Audio Return Policy

    Manufacturer Contact Info

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