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Fosi Audio SK02 DAC Amp Desktop Amplifier USB C to AUX Digital to Analog Audio Converter Adapter Preamp Optical to 3.5mm 4.4mm Balanced Combo for Home Audio System

4.4 out of 5 stars 194 ratings
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Purchase options and add-ons

Brand Fosi Audio
Colour Black
Compatible devices Devices with USB or optical output and software support
Material Aluminum Alloy
Output wattage 0.34 Watts
Item weight 350 Grams
Model name SK02
Power source AC Adapter
Output channel quantity 2
Amplifier type Solid State

About this item

  • Compact Yet Powerful: The SK02 employs a minimalist and stylish design language. Despite its small size, it boasts mighty features. It supports DSD256 and PCM 32bit/384kHz high-resolution decoding, along with 3.5mm single-ended and 4.4mm balanced headphone outputs. Its robust power can easily drive wide range of headphones and IEMs with an impedance range of 16-300 ohms
  • Stunning Performance: It features a high-end ESS SABRE ES9038Q2M DAC and SGM8262 op-amps. Its excellent circuit design ensures superior parameters with a SNR as high as 120dB, a low noise floor of only 3.7¦ÌV, and an incredibly low THD of 0.001%. The 4.4mm balanced output power reaches an impressive 1100mW at 32 ohms. The exceptional high-resolution capability and pure sound quality make every listening experience an extraordinary sensory journey
  • User-Friendly Design: The SK02 requires no drivers and offers plug-and-play convenience. It integrates a big multi-functional control knob, allowing easy access to power on/off, play/pause, and volume adjustments. The unit features quick-switch buttons for high/low gain and input modes. Additionally, its colorful indicator lights enable effortless identification of the current working mode and the song's sampling rate
  • Remarkable Versatility: Supports USB and optical input, widely applicable for decoding with computers, laptops, CD players, TVs, and projectors. Not only can it function as a headphone amplifier, but it can also serve as a preamp, pairing with active speakers or an amplifier like Fosi Audio V3, ZA3, TB10D amp and passive speakers to form a desktop listening or home audio system
  • Exquisite and Durable: The SK02 is crafted from a single piece of aluminum alloy using CNC machining and a delicate sandblasting process. This not only gives it an exquisite appearance but also ensures lasting durability
› See more product details

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Fosi Audio SK02 DAC Amp Desktop Amplifier USB C to AUX Digital to Analog Audio Converter Adapter Preamp Optical to 3.5mm 4.4m
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Product information

Technical Details

Brand ‎Fosi Audio
Manufacturer ‎Fosi Audio
Model ‎SK02
Model Name ‎SK02
Part Number ‎SK02
Compatible Devices ‎Devices with USB or optical output and software support
Amplifier Type ‎Solid State
Mounting Hardware ‎amplifier
Output Wattage ‎0.34 Watts
Voltage ‎230 Volts
Power source type ‎AC Adapter
Batteries included ‎No
Batteries Required ‎No
Speaker Output Channel Quantity ‎2
Connector Type ‎usb, auxiliary
Material Type ‎Aluminum Alloy
Does it contain liquid? ‎No
Manufacturer ‎Fosi Audio
Item model number ‎SK02
Product Dimensions ‎12 x 5 x 4 cm; 350 g
ASIN ‎B0CRB676R5

Additional Information

Date First Available Feb. 26 2024
Customer Reviews
4.4 out of 5 stars 194 ratings

4.4 out of 5 stars
Â鶹Çø Rank

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Fosi Audio SK02 DAC Amp Desktop Amplifier USB C to AUX Digital to Analog Audio Converter Adapter Preamp Optical to 3.5mm 4.4mm Balanced Combo for Home Audio System

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  2. Guided by our mission of "Redefining HiFi with Unmatched Value", Fosi Audio continues to fuel its passion for the Hifi industry, ramp up R&D efforts, and co-create new HiFi equipment with users. We pledge to bring more amazing Hifi gear with high value for the price, innovative design, cutting-edge technology, and premium quality, to audiophiles worldwide.

  3. audio component amplifiers
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    Fosi Audio SK02 DAC Amp Desktop Amplifier USB C to AUX Digital to Analog Audio Converter Adapter ...

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  6. speaker amp
  7. bluetooth amp
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Product Description

Compact Yet Powerful

Compact Yet Powerful

Fosi Audio SK02 Desktop DAC Headphone Amp

Capturing every nuance from classical to modern beats, the SK02 blends purity and rich details that are perfect for HiFi enthusiasts.

Premium Sound, Audiophile's Choice

Premium Sound, Audiophile's Choice

The SK02 is a headphone amplifier with built-in decoding functionality, designed for uniqueness and practicality. It is equipped with a multifunctional volume control knob, separate gain and mode selection buttons. Get the best performance out of your headphones.

  • Input: USB, OPT
  • Output: 3.5mm single-ended, 4.4mm balanced, 3.5mm AUX/OPT
  • Max Power Output: 3.5mm: 280mW@32¦¸, 4.4mm: 1100mW@32¦¸
  • Terminating Impedance: 16-300¦¸

One-Button Gain and Input Mode Switches

Gain and Input Mode Switches

Equipped with dedicated buttons for high/low gain and input source; a simple touch switch settings, crafting perfect sound.

Supports Optical & USB Input

Supports Optical & USB Input

Efficient connectivity and clear transmission for seamless high-resolution audio, ushering in a new era of high-quality audio transmission.

3.5mm AUX/Optical Integrated Design

3.5mm AUX/Optical Design

Dual enjoyment in one: The seamless fusion of AUX and optical outputs provides a professional audio experience for various devices.

Solid Aluminum Alloy Knob

Solid Aluminum Alloy Knob

Precision-engineered for durability and reliability, providing a smooth and comfortable operational experience.

Which Fosi Audio headphone amp is right for you?

SK02

SK01

PH04

PH05

K5 PRO

Customer Reviews
4.4 out of 5 stars 194
4.5 out of 5 stars 297
4.4 out of 5 stars 546
4.6 out of 5 stars 62
4.0 out of 5 stars 1,019
Type
DAC+Headphone Amplifier/Preamp Headphone Amplifier/Preamp Headphone Amp Headphone Amp DAC+Headphone Amp
MAX Power Output
3.5mm: 280mW,4.4mm: 1100mW@32¦¸ 2400mW@32¦¸(High Gain) 40mW@100 Ohm 310³¾°Â°ª32¦¸ —
Input
USB + Optical 3.5mm line in 3.5mm AUX 3.5mm AUX USB-C + OPT + COA+3.5mm Mic
Output
Headphone Jack, AUX/OPT 3.5mm line out, headphone jack 3.5mm Headphone ¡Á4 3.5mm Headphone ¡Á5 RCA + 3.5mm Headphone
Treble & Bass Control
✘ ✔ ✘ ✘ ✔
THD
¡Ü0.001% <0.001% — <0.001% <0.003%
SNR
¡Ý120»åµþ ¡Ý108»åµþ — ¡Ý105»åµþ >110dB
Terminating Impedance
16-300 Ohm 16-300 Ohm 15-150 Ohm 16-300 Ohm 16-300 Ohm
Work Voltage
USB-C/DC5V USB-C/DC5V DC 12V DC12V/1A USB-C/DC5V

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