BOYA BY-K4 3.5mm TRS Female to USB-C Male Adapter Cable for Microphones (6cm, Black)

Unlike bulky audio interfaces or unreliable generic adapters, the BOYA BY-K4 delivers a direct, no-compromise path from your favourite 3.5mm TRS microphone to any USB-C device. This 6 cm cable is purpose-built for creators who demand clean, dependable audio capture on smartphones, tablets, and computers without extra drivers or power supplies.

Highlights

• Converts analog 3.5mm TRS microphone signal to digital USB-C audio
• Ultra-compact 6 cm length reduces clutter and signal loss
• Plug-and-play with USB Audio Class – no drivers needed
• Bus-powered directly from the USB-C port – no batteries or external power
• Durable TPE jacket with black finish blends seamlessly into any setup
• Works with Android, Windows, and macOS devices

In daily use

Connect your lavalier or shotgun microphone to the BY-K4, plug the USB-C end into your phone or laptop, and start recording immediately. The built-in digital conversion ensures your voice comes through with clarity, free from the hiss and interference often introduced by cheap analog dongles. The short cable keeps your rig tidy, whether you're vlogging on the go, conducting interviews, or capturing field audio.

Full specifications

• Input connector: 3.5mm TRS female (mono microphone)
• Output connector: USB Type-C male
• Cable length: 6 cm
• Audio input type: Microphone (mono)
• Signal direction: Analog (mic) to digital (USB-C)
• Digital audio conversion: Yes
• Power source: Bus-powered from USB-C device
• Plug and play: Yes (USB Audio Class)
• Operating system compatibility: Android, Windows, macOS
• Cable jacket material: TPE
• Colour: Black

Final note

The BOYA BY-K4 is the missing link for modern creators who refuse to compromise on audio quality. Its robust construction and universal compatibility make it an essential tool for anyone serious about mobile recording.