Bluetooth Speaker Solution Development Case
Tüketici Elektroniği | Müşteri:某音频品牌
Project Background: The client is a consumer electronics company in Shenzhen, needing to develop a portable Bluetooth speaker for young consumers, requiring good sound quality, long battery life, fashionable appearance.
Solution Design:
1. Main Control Chip: JieLi AC6965D Bluetooth audio SoC
2. Bluetooth Version: Bluetooth 5.0, supports APTX transmission
3. Power Amplifier Solution: CS8673 3W Class D amplifier
4. Speaker: 40mm full-range speaker + passive radiator
5. Power: 1200mAh lithium battery, battery life 8 hours
6. Functions: TF card playback, FM radio, AUX input
Technical Challenges:
- Sound Quality Optimization: Small volume speaker bass enhancement technology
- Battery Life Optimization: Low-power design, playback time 8 hours
- Waterproof Design: IPX5 waterproof rating
Deliverables:
- Hardware Design: Main board design, structural cooperation
- Firmware Development: Bluetooth protocol, sound effect processing, EQ adjustment
- Appearance Design: Industrial design cooperation, multiple colors available
- Mass Production Introduction: SMT patch processing, production line testing
Customer Value: Product monthly sales 20,000 units on Amazon Europe site, became a hit product.
Proje Sonuçları
Project Results: Successfully delivered smart wearable device PCBA solution. Client has started mass production with monthly output of 35,000 units.
Key Metrics:
- Yield rate: 99.2%
- Power consumption: BLE 5.0, 7 days battery life
- Performance: Heart rate, blood oxygen, sleep monitoring, step counter
- Reliability: IP68 waterproof, skin safe materials
Client Feedback: Sensor accuracy good, APP data sync stable.