Home / Fosi Audio SK01 Headphone Amplifier Equalizer Preamp with Bass Midrange Treble Tone Control and Loudness Compensation Portable Class A Analog Amp for Electric Guitar Instrument with 3.5mm 6.35mm Jacks
  • Fosi Audio SK01 Headphone Amplifier Equalizer Preamp with Bass Midrange Treble Tone Control and Loudness Compensation Portable Class A Analog Amp for Electric Guitar Instrument with 3.5mm 6.35mm Jacks
  • Fosi Audio SK01 Headphone Amplifier Equalizer Preamp with Bass Midrange Treble Tone Control and Loudness Compensation Portable Class A Analog Amp for Electric Guitar Instrument with 3.5mm 6.35mm Jacks
  • Fosi Audio SK01 Headphone Amplifier Equalizer Preamp with Bass Midrange Treble Tone Control and Loudness Compensation Portable Class A Analog Amp for Electric Guitar Instrument with 3.5mm 6.35mm Jacks
  • Fosi Audio SK01 Headphone Amplifier Equalizer Preamp with Bass Midrange Treble Tone Control and Loudness Compensation Portable Class A Analog Amp for Electric Guitar Instrument with 3.5mm 6.35mm Jacks
  • Fosi Audio SK01 Headphone Amplifier Equalizer Preamp with Bass Midrange Treble Tone Control and Loudness Compensation Portable Class A Analog Amp for Electric Guitar Instrument with 3.5mm 6.35mm Jacks
  • Fosi Audio SK01 Headphone Amplifier Equalizer Preamp with Bass Midrange Treble Tone Control and Loudness Compensation Portable Class A Analog Amp for Electric Guitar Instrument with 3.5mm 6.35mm Jacks
  • Fosi Audio SK01 Headphone Amplifier Equalizer Preamp with Bass Midrange Treble Tone Control and Loudness Compensation Portable Class A Analog Amp for Electric Guitar Instrument with 3.5mm 6.35mm Jacks
  • Fosi Audio SK01 Headphone Amplifier Equalizer Preamp with Bass Midrange Treble Tone Control and Loudness Compensation Portable Class A Analog Amp for Electric Guitar Instrument with 3.5mm 6.35mm Jacks
  • Fosi Audio SK01 Headphone Amplifier Equalizer Preamp with Bass Midrange Treble Tone Control and Loudness Compensation Portable Class A Analog Amp for Electric Guitar Instrument with 3.5mm 6.35mm Jacks

Fosi Audio SK01 Headphone Amplifier Equalizer Preamp with Bass Midrange Treble Tone Control and Loudness Compensation Portable Class A Analog Amp for Electric Guitar Instrument with 3.5mm 6.35mm Jacks

Combo Design: Whether as a powerful headphone amp, a customizable analog preamp, or an acoustic equalizer for the instrument, it effortlessly elevates your listening experience, delivering exceptional sound quality and personalized sound signatures
Tri-Band Control: By enabling adjustments for tr
$79.99
$159.98
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  • Detail

    • A multi-functional audio gear for desktop and portable music playing and tone tuning.
    • With a built-in high-capacity battery and isolated power design to reject interference, it ensures a pure listening experience without break-off.

    With treble, middle, and bass adjustments capabilities, combined with central point positioning, you can easily find the perfect balance. Additionally, you can effortlessly defeat all the tone adjustments with just a click on the PURE button.

    • Input: 3.5mm line in; Output: 3.5mm line out, 3.5mm/6.35mm headphone jack
    • Max Power Output: RMS 2400mW@32Ω
    • Terminating Impedance: 16-300Ω
    • Battery Capacity: 2500mAh (6-Hour Battery Life)

    1Tri-Band EQ2Loudness3Gain Levels4Headphone Jacks1Scenario 12Scenario 23Scenario 31Buttons2Knobs3Side4Front & Rear
  • Can it be used while charging?

    You can use the SK01 while it is plugged in and charging, and connect the source via AUX IN. Or use a 5V 1.5A/2A adapter to charge it fully and unplug it when in use

  • If both its line out and headphone jack are connected to the headphones and amplifier, which output takes priority?

    The design allows both the line output and headphone output to play the same audio simultaneously. To exclusively use the headphones, it's necessary to disconnect the line out

  • The tone-control knobs are not working?

    Please check if the TONE button is set to PURE mode. PURE is the mode where the signal bypasses the tone circuit. Switching to TONE mode should enable the tone adjustment.

  • Fosi Audio SK01 Headphone Amplifier/Preamp

    Tailor the Sound to Your Preference

    Tri-Band Adjustment for Personality

    Loudness Function for More Pleasure

    Two Gain Modes to Adapt Your Headphones

    Compatible with 3.5mm/6.35mm Headphones

    As a Headphone Amp

    As an Analog Preamp

    As an Equalizer

    Can it be used while charging?

    If both its line out and headphone jack are connected to the headphones and amplifier, which output takes priority?

    The tone-control knobs are not working?

  • Customer Reviews
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