Shenzhen Liwei Electronic provides custom development of wire-controlled headphone PCBA solutions for 3.5mm analogue and Type-C digital headsets. The platform covers multi-button inline control boards, high-quality call microphone integration and freely mappable button functions, and is compatible with both iOS and Android devices.
Key Specifications
| Interface type | 3.5mm TRRS / Type-C |
| Button count | 1 / 3 / 5 buttons, customizable |
| Microphone solution | Electret or MEMS silicon mic, optional |
| Impedance matching | 16 Ω / 32 Ω / 64 Ω |
| Control protocol | CTIA / OMTP compatible |
| ADC resolution | 24 bit |
| Button life | Over 1,000,000 presses |
| PCB size | Customized on demand |
Solution Highlights
- Full platform compatibility — CTIA/OMTP dual-protocol support works with iOS and Android, plug and play.
- Custom button functions — play/pause, track switching, volume up/down, voice assistant and answer/end call can be mapped freely.
- HD call microphone — noise-reducing electret microphone picks up voice clearly and safeguards call quality.
- Miniature PCBA design — compact PCB layout fits various headset structures and industrial designs.
- Fast custom delivery — over 10 years of PCBA experience with rapid response from requirement to prototype.
Application Scenarios
Branded phone accessories, custom headsets for education institutions, gift customization, sports headsets and gaming headsets.
Solution Consultation
Liwei Electronic provides fast PCBA custom development with a flexible minimum order quantity. Contact us for quotations and sample lead time.
