HiBy HIBYDIGITAL API0 - USB HD audio isolator
Welcome to use HiBy Music’s products
Thank you for purchasing HiBy AP10 launched by HiBy Music. In order to let AP10 bring you a better experience, this article introduces the common functions and operation methods of AP10, hoping to help you understand and use it more comprehensively. At the same time, you are also welcome to visit the official website of HiBy Music (HiBy) www.hiby.com to learn more about HiBy Music products and purchase related products.
USB HD Audio Isolator
1. Product introduction
HiBy Digital AP10 is a device with USB expansion, SD card reading and writing, and audio noise isolation functions. It provides double isolation of power supply and digital signals between the computer and the decoder (or player), purifying the current noise caused by ground loop and power grid noise interference. It also integrates a high-speed USB HUB (including SD card slot) to support multi-device expansion and data reading and writing.
- HiBy Digital AP10 is a device that integrates USB expansion and SD card reading and writing
- Dual type-C, respectively charging input, USB3.2 USB data port input
- Dedicated USB2.0, power data isolation, player audio output
- USB3.2 GEN1 and type-C, U disk and device data reading and writing
- It can also be used to charge mobile phones and other devices, and to read and write data.
- Indicator light: The top LED LOGO and USB DAC port are always on, and other ports are plugged in and light up.
Appearance introduction

Take the AP10 front view as a reference:
- High-speed Type-C data interface
- Dedicated USB audio output interface (USB-A)
- Dedicated USB audio input interface (Type-C)
- Dedicated power supply interface (Type-C)
- High-speed USB-A data interface
- High-speed SD card slot
Unboxing video
2. Interface distribution and usage instructions
| Interface/Component | Identification | Use |
|---|---|---|
| Type-C (charging input) | “POWER IN” | Connect the 5V power adapter to power AP10 and connected devices |
| Type-C (USB 3.2 data input) | “USB 3.2 IN” | Connect to computers, mobile phones, players and other audio devices |
| USB 2.0 dedicated audio output | "USB AUDIO OUT" | With isolation, connect to decoder (DAC), headphone amplifier, etc., output clean audio signal |
| USB 3.2 Gen1 interface | “USB 3.2 HUB“ | Connect to U disk, mobile hard disk, etc., support high-speed reading and writing |
| SD card slot | “SD CARD” | Insert the SD card and read and write music files through the computer |
| Top LOGO light | “HIBY DIGITAL” | Always on when power is turned on, indicating that the device is turned on |
Tips:
Please use high-quality USB cables that support data transmission to ensure stability and sound quality.
3. Interface input and output description
| Interface type | Functional description | Voltage/current specifications |
|---|---|---|
| Type-C (power input) | Device power input | 5V 4A (less than) |
| Type-C (data input, USB 3.2 Gen1) | Connect to computer/mobile phone and other audio source devices to transmit data | 5V 500mA |
| USB 2.0 (audio output) | Connect to decoder/headphone amplifier, support data reading and writing (audio signal) | 5V 400mA |
| USB-A 3.2 Gen1 | Charging output + data reading and writing (such as USB flash drive, mobile hard disk) | 5V 1A |
| Type-C (extension port) | Charging output + data reading and writing (such as connecting to mobile phones, tablets, etc.) | 5V 1A |
| SD/TF card slot | Data reading and writing (SD card, TF card) |
4. Hardware specifications
| Body | Specifications |
|---|---|
| Digital Audio Interface | USB-A (USBDAC Out, USB2.0) |
| Memory card slot | SD3.0 UHS-I |
| USB data interface | Type-C (UsB3.2 Genl), USB-A (UsB3.2 Genl) |
| Power input interface | Type-C (5V@4A; 5V@500mA; ) |
| Body material | Aluminum alloy middle frame, glass cover |
| Body size | 9442.416.6mm |
| Body weight | 81.2g |