Fosi Audio SK01 Headphone Amplifier & Preamplifier 2 in 1 for Headphone Earphone, Power Amplifier, Active speakers
SPECIFICATIONS
Battery Capacity: 2500mAh
Bluetooth: No
Body Material: aluminum
Brand Name: Fosi Audio
Built-in Battery: Yes
Certification: CE
Channels: 2 (2.0)
Crosstalk: 83dB
DSD (Direct Stream Digital): No
Dimensions (WxHxD): 121*51*43mm
Frequency Response: 20Hz-20kHz(±0.05dB)
High-concerned chemical: none
Input: 3.5mm line in
Input Type: LINE IN (AUDIO IN)
Model Number: SK01
Noise Floor: 20μV
Origin: Mainland China
Output: 3.5mm line out, 3.5mm headphone jack, 6.35mm headphone jack
Output Power: Max 2400mW@32Ω
Output Type: LINE OUT (AUDIO OUT)
Output Voltage: High Gain: RMS 2400mW@32ohm, Low Gain: RMS 300mW@32ohm
Package: YES
Power Input Voltage: DC 5V
Recommended Headphone Maximum Impedance: 251 - 300 Ohm
SNR: 108dB
Signal To Noise Ratio: 108dB
THD: ≤ 0.001% @ 1kHz and 770mV
Type: Mini Amplifier
Fosi Audio SK01 Headphone Amplifier & Preamplifier 2 in 1 for Headphone Earphone, Power Amplifier, Active speakers
Notice: If you choose to ship from the Brazil warehouse, Aliexpress currently does not offer the option of collecting and paying ICMS fees on behalf of the buyer. If it is found later by the tax authorities that ICMS fees need to be paid, the buyer is responsible for paying them, and the seller will not bear the responsibility. if you mind to pay 18% of the ICMS fee, please choose to ship from China, thank you for your understanding!
Features:
-
The SK01 is a high-power headphone amplifier with tone controls (treble,middle and bass), high and low gain settings, bypass mode, and loudnessfunction. The tone control feature allows you to customize the sound to
your preferences and compensate for any shortage in your headphones or audio system. The high and low gain settings are suitable for headphones with different impedance. The bypass mode provides a pure reproduction of the original sound. The loudness function allows you to immerse yourself in the world of music during quiet nights.
Highlight:
Model: SK01
Input : 3.5MM line in
Output : 3.5mm Headphone, 6.35mm Headphone, 3.5MM line out
Powe Supply:5V
Power Input Interface: USB Type-C
THD: < 0.001% @ 1kHz and 770mV
SNR: ≥108dB
Frequency response: 20Hz-20kHz (±0.5dB)
Amp output maximum power: High Gain: RMS 2400mw/ 32Ω,
Low Gain: RMS 300mw/32Ω
Headphone matching impedance: 16-300Ω
Size (L*W*H): 4.76*2*1.69inch (121*51*43mm)
Net Weight: 0.641b/290g
Package Include:
QA
1.What are the charging time and battery life of the SK01?
It takes approximately 2-3 hours to fully charge the battery, and once charged, it can provide up to 6 hours of continuous usage at the low gain setting, with the volume control set to the middle and the tone controls turned off. Although enabling the tone controls may slightly increase battery consumption, the overall battery life is still impressive, allowing for a full day of heavy usage or a couple of days of moderate usage. Additionally, if you prefer to use the device on your desktop, you can keep it plugged into the charger continuously,
Q2：Why isn't the USB input on SK01 working?
The SK01 Only supports USB powering and a 3.5mm aux input.
Q3：Can SK01 be used while charging?
