USB Decoder Audio Amplifier: Fosi Audio SK02

Weight	8 oz
Dimensions	6 mm
Brand Name	KZ
Output Type	Balanced Out
Built-in Battery	Yes
Recommended Headphone Maximum Impedance	251-300 Ohm
Input Type	OPTICAL
Hign-concerned Chemical	None
DSD (Direct Stream Digital)	Yes
Body Material	Aluminum
Dimensions (WxHxD)	1215143mm
Channels	2 (2.0)
Signal To Noise Ratio	3.5mm:120dB 4.4mm:115dB
Bluetooth	No
Type	Mini Amplifier
WIFI	No
Model Number	SK02
Output Voltage	3.5MM:280mW/32ohm 4.4MM:1100mW/32ohm
Package	YES
Certification	FCC
Origin	Mainland China
PCM	Yes
DAC Model	ES9038Q2M
Brand	Fosi Audio
Input	USB, OPT
Output	3.5/4.4mm Headphone Jack, 3.5mm AUX/OPT
SNR 3.5mm Headphone Jack	Low Gain: 116dB High Gain: 120dB
SNR 4.4mm Headphone Jack	Low Gain: 110dB High Gain: 116dB
Distortion	≤0.001% @ 1kHz
Background Noise	3.5mm Headphone Jack: 3.7μV 4.4mm Headphone Jack: 12μV
Headphone Impedance	16-300Ω
Input Voltage	DC 5V
feature	Portable headphone amp,Desktop headphone amp,USB DAC
frequency response	20Hz-20kHz(±0.02dB)

USB Decoder Audio Amplifier: Fosi Audio SK02

Experience the ultimate audio quality with the Fosi Audio SK02 DAC Headphone Amplifier. This powerful device supports DSD256 and PCM 32bit/384kHz high-resolution decoding, delivering exceptional sound performance. Whether you’re listening to music or watching movies, this amplifier elevates your audio experience to new heights.

Compact Yet Powerful: The SK02 features a minimalist design but packs a punch with its impressive features. It supports 3.5mm single-ended and 4.4mm balanced headphone outputs, catering to a wide range of headphones and IEMs with an impedance range of 16-300 ohms.
Stunning Performance: Equipped with a high-end ESS SABRE ES9038Q2M DAC and SGM8262 op-amps, this amplifier ensures superior sound quality. With parameters like a SNR of 120dB, low noise floor of 3.7μV, and THD of 0.001%, every listening session is a delightful experience.
User-Friendly Design: The SK02 is driver-free and offers plug-and-play convenience. It features a multi-functional control knob for easy power on/off, play/pause, and volume adjustments. Quick-switch buttons for high/low gain and input modes enhance usability.
Remarkable Versatility: Supporting USB and optical input, the SK02 is compatible with various devices like computers, laptops, CD players, and more. It can function as a headphone amplifier or a preamp, offering flexibility in setting up your audio system.
Exquisite and Durable: Crafted from a single piece of aluminum alloy using CNC machining, the SK02 is both stylish and durable. Fosi Audio provides a 24-month worry-free warranty and excellent customer service for all users.