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Designed for Purchasing Managers, Technical Directors, and Operations Leaders who demand reliable audio component supply at competitive cost.
Get Free Quote in 24 hIn 2025‑2026, 68 % of U.S. audio OEMs reported at least one of the following challenges when sourcing speaker filters:
These issues translate directly into higher production costs, delayed market entry, and potential brand damage.
See How We Solve Them →Our factory combines 14 years of magnetic‑component expertise with a fully automated production line to deliver:
| Parameter | Range / Options | Tolerance | Certification |
|---|---|---|---|
| Inductance (L) | 0.5 mH – 10 mH | ±0.5 % | CE, FCC |
| Current Rating | 0.5 A – 5 A | ±5 % | RoHS, ISO‑9001 |
| Q‑Factor | 0.7 – 5.0 | ±0.1 | GS, CB |
| Operating Temp. | ‑40 °C ~ +85 °C | N/A | VDE, SAA |
Case 1 – Premium Home‑Theater OEM (USA): Replaced a 3‑year‑old supplier with Xinchangda’s custom 2‑way crossover. Result: 27 % reduction in total component cost and 15 % improvement in SPL flatness across 20 kHz–200 Hz.
Case 2 – Automotive Audio Module (Europe): Integrated 0.8 mH high‑Q filters with a 48‑hour design cycle. Lead time cut from 45 days to 12 days, enabling a new model launch before the fiscal year‑end.
Read More Success Stories →Yes. Our 10 R&D engineers work with you from schematic to 3‑D layout. First‑article samples are ready within 48 hours after CAD approval.
Standard MOQs start at 5,000 pieces per part. For high‑volume models, we can go as low as 1,000 pcs with the same lead time.
All filters undergo pre‑production testing in our FCC‑certified lab. Certification reports are included with every shipment.
We offer air freight (2‑3 days), express courier (DHL/UPS, 1‑2 days), and sea freight (5‑7 days to West Coast, 10‑12 days to East Coast). All options include real‑time tracking.
Yes. A dedicated account engineer is assigned to each client. Our standard warranty covers 24 months for material and workmanship, with free replacement for any non‑conforming units.
Limited‑time offer: **Free 100‑piece sample kit** + **30‑day money‑back guarantee** for first‑time U.S. buyers.
Email Sample Request WhatsApp NowOr call us directly at +1 (415) 555‑0123 (U.S. toll‑free). Offer expires 30 days from today.
Emily Chen, Procurement Lead – AudioTech Ltd. “The first batch hit 99.8 % pass‑rate on our in‑house QC. We saved $18 k on a 50k‑unit order and the delivery was 2 days ahead of schedule.”
Mark Davis, Operations Manager – SoundBridge Corp. “Xinchangda’s OEM design service turned our prototype into a mass‑production part in less than a week. Their engineering team speaks fluent English and technical jargon.”
Linda Patel, VP of Engineering – Harmonic Labs. “Compliance was a nightmare with other suppliers. Xinchangda delivered full FCC/CE/ RoHS documentation instantly, letting us clear customs without a hitch.”
Alex Li, Senior Application Engineer – Xinchangda Electronic
With 12 years of hands‑on experience in magnetic component design for audio, medical, and renewable‑energy markets, Alex leads the OEM/ODM program for speaker filters. He holds a B.Sc. in Electrical Engineering (University of Hong Kong) and is a certified ISO‑9001 auditor. Alex regularly publishes technical whitepapers on low‑distortion filter topologies and has spoken at the International Audio Engineering Conference (2024).
For direct inquiries, reach Alex at grace01@xinchangdadz.com or call +86 131 2825 6415.
Trusted by Global Brands
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All products ship with full compliance documentation (CE, FCC, RoHS, ISO‑9001, CB, VDE, SAA) and are covered by our 24‑month warranty.
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