Fosi Audio IM4 IEM Accessories: 4.4mm Balanced, 3.5mm with Mic, D2 DACIM4 IEM Accessories include 4. 4mm balanced cable, 3. 5mm cable with microphone, and D2 DAC. High purity wire, low signal loss, enhance sound qualityclear 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

All components can be assembled by hand

1% High-Precision Film Resistors

SNR ≥100dB

because this is class d amplifier

Customizable Sound Signature: The V3 amplifier features replaceable op-amp chips

the built-in central detents facilitate easy restoration to the sound's original character

AccessoriesVintage Elegance: The LC30 boasts dual large VU meters

4mm balanced cable

35mm headphone jack

81in Length: Streamlines your desktop setup and facilitates easy connections

You can enjoy a very warm and smooth sound

Specifications Details Model Q4 PC-USB supports input sampling rate 24Bit/96kHz High and low sound adjustment range ±6dB Fiber/coaxial support input sampling rate 24Bit/192kHz Frequency response 20Hz-20kHz (±3dB) PC-USB support operating system XP/W7/W8/W10/MAC/Linux Distortion 0