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
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- 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 treble, midrange, and bass, in conjunction with central detents for tone-defeating, achieving the most suitable equilibrium becomes effortless. Up to 2400mW power is available in high impedance mode
- Diverse Capabilities: Instantly restore original sound with the one-click tone- defeating button; Immerse yourself in music during the quiet hours using the loudness function; Tailor the gain level to accommodate headphones with various impedances through the gain level switch
- Superb Finishing: The aluminum alloy body showcases meticulous attention to details. Built-in 2500mAh battery, up to 6 hours of battery life. It offers versatile connectivity through the 3.5mm & 6.35mm headphone jacks (32-300 ohms), serving as both a portable and desktop headphone amplifier
- What You'll Get: Fosi Audio SK01 Headphone Amp x1, User Manual x1, 2-in-1 USB Type-A/C to Type-C Cable x1
Product description
Fosi Audio SK01 Headphone Amplifier/Preamp
- 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.
Tailor the Sound to Your Preference
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)
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Tri-Band Adjustment for Personality
Tailor the treble, middle, and bass with the knobs to find the perfect balance.
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Loudness Function for More Pleasure
Activate it to get a more balanced listening experience at lower volume levels.
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Two Gain Modes to Adapt Your Headphones
Achieve the best performance by selecting the right gain level to fit different impedance.
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Compatible with 3.5mm/6.35mm Headphones
Maximum 2400mW power to drive your 32-300Ω single-ended headphones with extraordinary performance.
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As a Headphone Amp
Drives any of your headphones easily and enrich the listening experience.
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As an Analog Preamp
Modifies the characteristic to get your beloved sound.
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As an Equalizer
Delivers accurate sonic detail for acoustic instruments.
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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
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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
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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.
Comparison Chart
Headphone Amp/Preamp | Type | DAC+Headphone Amp |
2400mW@32Ω-High Gain | MAX Power Output | 3.5mm: 280mW@32Ω |
3.5mm line in | Input | USB + Optical |
line& headphone jack | Output | Headphone, AUX/OPT |
Treble& Bass Control | ||
<0.001% | THD | ≤0.001% |
≥108dB | SNR | ≥120dB |
Headphone Amp/Preamp | Type | Headphone Amp |
2400mW@32Ω-High Gain | MAX Power Output | 310mW@32Ω |
3.5mm line in | Input | 3.5mm AUX |
line& headphone jack | Output | 3.5mm Headphone ×5 |
Treble& Bass Control | ||
<0.001% | THD | <0.001% |
≥108dB | SNR | ≥105dB |
Headphone Amp/Preamp | Type | DAC+Headphonep Amp |
2400mW@32Ω-High Gain | MAX Power Output | 220mW@32 Ohm(BAL) |
3.5mm line in | Input | Type C+ USB A |
line& headphone jack | Output | 3.5&4.4mm Headphone |
Treble& Bass Control | ||
<0.001% | THD | ≤ 0.0006%(SE) |
≥108dB | SNR | ≥120dB |
Headphone Amp/Preamp | Type | DAC+Headphone Amp |
2400mW@32Ω-High Gain | MAX Power Output | 250mW@32 Ohm(BAL) |
3.5mm line in | Input | Type C+ USB A |
line& headphone jack | Output | 3.5&4.4mm Headphone |
Treble& Bass Control | ||
<0.001% | THD | <0.0001% |
≥108dB | SNR | ≥130dB |
- SK02
- PH05
- DS1
- DS2
-Postage is FREE for Australian residents.
-International orders will have shipping calculated at checkout. Any applicable duties are not included and are the responsibility of the purchaser.
-All items will be shipped within 2 business days
-We use multiple couriers to get the best possible delivery times. Your parcel may be delivered by courier or Australia Post depending on your location.
Delivery Times:
Australia:
Expected delivery time is between 3-10 business days for most items within Australia. In the rare instance that a delivery takes longer than this, please contact us to work out a solution.
International:
Orders may take approx. 7-21 business days to most countries worldwide.
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