We know that there are many different radio interfaces. Just like Retevis and Ailunce radios. Different models may also have different interfaces.
You need to buy an audio adapter SA29 first. It can let you use the Kenwood 2 pin connector speaker mic on Ailunce HD1.
You can connect it on your HD1, and then you can use the Kenwood 2 pin connector audio accessories on the HD1.
Yes, the audio adapter is suitable for Ailunce HD1, Retevis RT29, RT82, RT48 and most of motorola radios with GP328Plus connector.
Click to buy: SA29 Audio Adapter
If you have any questions, feel free to leave messages to us. Ailunce is always here.