Description
Overview
A USB-C headphone adapter built on the ALC5686 DAC chip, decoding digital audio at up to 32-bit and 384kHz. It plugs into a phone or laptop USB-C port to provide a wired headphone output.
Specifications
- Decoding chip: ALC5686
- Resolution: 32-bit
- Sample rate: up to 384kHz
- Input: USB-C plug
- Output: headphone jack
- Function: conversion inside the adapter
Purpose
Phones that dropped the analog jack leave their USB-C port carrying digital audio only, which a passive plug cannot drive headphones from. Putting the decoder in the plug keeps conversion at the connector.
Applications
- Wired headphones on jackless phones
- Laptop and tablet headphone output
- Car aux input from a USB-C source
- Desktop audio without a sound card
- IEM and monitor headphone listening
How to Use
- Plug the adapter fully in; a partial seat gives one channel or nothing.
- Connect headphones, then raise volume from the source.
- Select the adapter as the audio output if the device offers a choice.
- Set the source to its highest supported rate, up to 384kHz.
- Caution: turn volume down before putting headphones on, and avoid charge-only USB-C ports.
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