Eliminate low‑quality, overpriced transformers and boost your automotive audio line‑up with reliable, cost‑effective magnetic components. Most automotive audio manufacturers face three recurring challenges: Data from a 2025 cross‑industry survey shows 57 % of purchasing
“Switching to Xinchangda’s transformer cut our BOM cost by 28 % and the 48‑hour delivery kept our production line running. No more bottlenecks.” – John Lee, Procurement Manager, SoundWave USA
“The custom‑size ODM unit fit perfectly into our new dashboard design, saving us 12 mm of chassis space.” – Maria Rossi, Technical Director, AutoTune Europe
Certificates & Compliance
CE, FCC, RoHS, GS, CB, VDE, SAA
ISO 9001, ISO 14001, HACCP/GMP
IPPC (International Product Performance Certification)
Frequently Asked Questions
What is the minimum order quantity for OEM amplifier car transformers?
Our standard MOQ is 1,000 pieces per model. For large‑scale projects we can lower it to 500 pieces with a short‑lead‑time surcharge.
Can you provide custom core materials or winding configurations?
Yes. Our R&D team offers full OEM/ODM services, including ferrite, powdered iron, and high‑frequency alloy cores, as well as multi‑layer windings.
What are the payment terms for first‑time buyers?
We accept T/T 30 % deposit + 70 % balance before shipment, or L/C at sight. For verified accounts, we can extend to 60 days net.
How do you handle international shipping and customs clearance?
We partner with DHL, UPS, and FedEx for door‑to‑door service. All export documents (CO, packing list, test reports) are provided to ensure smooth customs clearance.
Do you offer after‑sales technical support?
Our 24/7 technical hotline and online ticket system provide troubleshooting, firmware updates (if applicable), and replacement parts within 7 days.
Limited‑Time Offer: Free Engineering Sample + 10 % Discount on First Order
Only 200 samples left – secure yours before stock runs out.
All quotes are free, no‑obligation, and include full compliance documentation.
What Our Clients Say
Emily Chen, Senior Purchasing Manager – AudioMax Canada
“The price advantage was immediate – 30 % cheaper than our previous supplier – and the quality exceeded expectations. We’ll place recurring orders.”
David Kim, Operations Lead – DriveTech Japan
“Fast 48‑hour delivery kept our production line from stopping during a seasonal spike. The transformer performed flawlessly under high‑temperature tests.”
Laura Martinez, Technical Director – AutoTune Europe
“Custom core geometry reduced size by 20 % while maintaining power output. The engineering support was responsive and knowledgeable.”
About the Author
Michael Zhou, Senior Magnetics Engineer – Xinchangda Electronic
With 15 years of experience in magnetic component design for automotive and industrial markets, Michael has led over 200 OEM/ODM projects worldwide. He holds a Master’s degree in Electrical Engineering (University of Shanghai) and is a certified ISO 9001 internal auditor. Michael regularly contributes to IEEE Magnetics Society publications and speaks at the International Automotive Electronics Expo.
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