Fosi Audio SK01 Headphone Amplifier Preamp

• 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.
  
  

• Unmatched Headphone Compatibility: Experience versatile connectivity with the Fosi Audio SK01 Headphone Amplifier Preamplifier 2 in 1. Its input features a 3.5mm line in, while the output offers a 3.5mm line out, along with a 3.5mm/6.35mm headphone jack. Enjoy powerful performance with a max power output of RMS 2400mW@32Ω, catering to terminating impedance between 16-300Ω. Elevate your audio experience with seamless connectivity and exceptional power, all in one compact device.

• Tailor-Made Audio Experience: The SK01 is a multi-functional audio gear that caters to desktop and portable music playing and tone tuning. The tri-band adjustment allows you to personalize treble, middle, and bass, finding the perfect balance for your preferences.

• Multi-functional experience: Whether as a powerful headphone amp, a customizable analog preamp, or an accurate equalizer, it effortlessly elevates your listening experience, delivering exceptional sound quality and personalized sound signatures.

• Long-Lasting Battery: Enjoy up to 6 hours of continuous usage with the built-in high-capacity battery, while the isolated power design rejects interference, providing a pure listening experience without any interruptions.

• Exquisite Design: Crafted with an aluminum alloy body, the SK01 is both elegant in appearance and touch, adding a touch of sophistication to your desktop setup.
  
  

• What you Get: Fosi Audio Sk01 Headphone Amp x1, User Manual x1,2-in-1 USB Type-A/C to Type-C Cable x1, an 24-month worry-free warranty and friendly customer service.

Specifications

Specifications	Details
Model	SK01
Input	3.5MM line in
Output	3.5mm Headphone, 6.35mm Headphone, 3.5MM line out
Amp output maximum power	High Gain: RMS 2400mw/ 32Ω,Low Gain: RMS 300mw/32Ω
Frequency Range	20Hz-20kHz (±0.5dB)
THD+N	0.001% @ 1kHz and 770mV
SNR	≥108dB
Headphone matching impedance	16-300Ω
Device Dimension	4.76*2*1.69inch (121*51*43mm)
Net Weight	0.641b/290g
Power Supply	5V, USB Type-C

Use a 5V 1.5A/2A adapter to charge it.

What‘s in the box？

Item Quantity Fosi Audio Sk01 Headphone Amp x 1, 2-in-1 USB-A/C to C Cable x 1, User’s Manual x 1

SK01 User Manual