Specifications
- Base Material: FR-4, Tg 130℃ / 135℃ optional, 94V-0 flame retardant
- Board Thickness: 0.8mm / 1.0mm / 1.2mm / 1.6mm
- Copper Thickness: 1oz (35μm), 2oz (70μm) optional
- Layer Count: 1 layer, 2 layers, 4 layers available
- Minimum Line Width / Space: 0.12mm / 0.12mm
- Minimum Hole Size: 0.3mm
- Surface Finish: HASL, Lead-free HASL, ENIG, OSP, Immersion Silver
- Solder Mask: Green, Black, Blue, Red customizable
- Silkscreen: White ink
- Tolerance: ±0.1mm for outline
- Compliance: RoHS, REACH
Manufacturing Advantages
- Adopt FR4 94V-0 flame-retardant substrate, excellent fire safety for audio consumer electronics
- Stable lamination process, low board warpage, suitable for automated SMT assembly
- Precise etching technology, clean circuit traces, reduce signal crosstalk of audio signals
- Multiple surface finish options to meet soldering and long-term storage requirements
- Strict IQC, IPQC, FQC full inspection, open/short circuit test 100%
- Support custom outline, notch, slot, panel design for speaker controller
- Fast prototype and mass production lead time, flexible OEM customization
Impedance Characteristics
- Default single-ended / differential impedance can be customized as requested for audio signal lines
- Controlled impedance tolerance: ±10% (standard), ±5% for high requirement
- Optimized trace width, spacing and dielectric thickness for audio low-frequency & mid-frequency signals
- Low impedance fluctuation, avoid audio distortion, noise and signal attenuation
- Suitable for analog audio signal transmission, power supply loop and communication signal traces
Signal & Electrical Performance
- Insulation Resistance: ≥10¹²Ω, good isolation between audio signal and power circuit
- Dielectric Strength: ≥20kV/mm, prevent breakdown between high-voltage power and audio analog lines
- Low dielectric loss at audio frequency band, keep clear sound signal output
- Low leakage current, stable power supply for speaker amplifier circuit
- Good anti-interference performance, reduce hum and background noise of speaker
- Stable electrical performance under working temperature -20℃ ~ +85℃
- Support amplifier circuit, volume control, Bluetooth decoding, indicator light circuit layout
Application Scenarios
- Bluetooth audio speaker main control board
- Portable speaker control circuit
- Home theater speaker control module
- Active speaker amplifier PCB
- Desktop audio, soundbar control board
- Multimedia speaker and audio peripheral controller
We provide one-stop custom PCB service, including DFM review, prototype trial, mass production, strict electrical testing and flexible delivery schedule. Our engineering team supports layout suggestion for audio circuits to reduce noise and improve sound performance.
