Fosi Audio IM4 IEM Accessories: 4.4mm Balanced, 3.5mm with Mic, D2 DAC
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Fosi Audio IM4 IEM Accessories: 4.4mm Balanced, 3.5mm with Mic, D2 DAC
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FAQ’s
If you have any questions, please refer here: FAQs
80W Toroidal Transformer
Custom pure copper toroidal transformer with up to 100W peak output ensures stable power delivery, even with three devices connected.
Nippon Chemi-Con Capacitors
Premium capacitors help minimize ripple and noise, with ripple as low as 0.1mV.
High-Reliability Rectifier
A GBU806 rectifier bridge rated at 600V/8A ensures fast, stable AC-to-DC power conversion.
4-Core Regulation
Powered by three LM1085IT and one ST78M05 linear regulators from Texas Instruments.
Product details
Description
IM4 IEM Accessories include 4.4mm balanced cable, 3.5mm cable with microphone, and D2 DAC.
High-purity wire, low signal loss, enhance sound quality—clear treble, full bass, wide sound field.
Gold-plated plug, anti-oxidation, stable transmission; soft wire, anti-tangle, comfortable to use.
Plug and play, no modification needed. Suitable for daily commute, Hi-Fi listening, calls, games.
Specs: Fit IM4 IEM, 4.4mm balanced + 3.5mm with mic + D2 USB-C to 3.5mm DAC.
Specifications
Power Input
AC: 115V / 230V
Note:
115V setting supports 100–120V input
230V setting supports 220–240V input
Power Output
DC 1: 12V / 15V (Rated Power: 20W)
DC 2: 12V / 5V (Rated Power: 15W)
USB: 5V / 1A (Rated Power: 5W)
Operating Temperature
-20 ~ 40°C (-4°F ~ 104°F)
Temperature Rise Test
Temperature rise of 25°C (77°F) at full load
What‘s in the box？
- Fosi Audio PSU20*1
- 1.2m (47.2 in) DC-DC Power Cable*1
- 0.3m (11.8 in) DC-DC Power Cable*1
- User Manual*1
- AC Power Cord*1