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Eliminate high‑price, low‑quality audio crossovers and accelerate time‑to‑market for your high‑end sound systems. Ideal for Purchasing Managers, Technical Directors, and Operations Leaders.
Get Free Quote in 24 hMost U.S. audio OEMs face three recurring pain points:
According to a 2025 industry survey, 62% of purchasing managers cited “unreliable performance” as the top reason for switching suppliers.
See how LII solves these issues →| Parameter | Typical Value | Tolerance | Compliance |
|---|---|---|---|
| Frequency Range | 20 Hz – 20 kHz | ± 3 dB | ISO 9001 |
| Power Handling | 200 W RMS | ± 5 % | RoHS, CE |
| Impedance | 4 Ω / 8 Ω | ± 2 % | FCC |
| Operating Temp. | ‑40 °C – 85 °C | N/A | GS, VDE |
High‑End Home Theater – A leading U.S. integrator reduced crossover distortion by 27% and cut component cost by 22% after switching to our custom LII series.
Professional Audio‑Visual Installations – 12‑month field test showed a 35% longer MTBF (Mean Time Between Failures) versus competitor parts.
digital-crossover-car-audio 4-way-crossover-for-speakers Customized-Audio-crossover digital-crossover-dsp
Automotive Infotainment – OEM achieved compliance with SAE J1772 while maintaining a 15‑day delivery window.
Download full case study (PDF)
“Switching to Xinchangda’s LII crossover cut our BOM cost by 18% and the units passed our acoustic lab without any retuning.” – John Miller, Purchasing Manager, SoundTech USA
“The 15‑day lead time let us launch the new speaker line ahead of schedule, increasing Q4 sales by 12%.” – Linda Chen, Technical Director, AcoustiPro
All products are certified: CE, FCC, RoHS, ISO 9001, GS, VDE, CB. Full compliance documentation available on request.
The MOQ is 1,000 pcs for standard specifications; for fully bespoke designs the MOQ is 5,000 pcs. Faster tooling options are available for larger volumes.
Yes – we ship a 10‑piece sample kit within 5 business days after design confirmation. Shipping is free to the continental U.S.
T/T 30 % deposit, 70 % before shipment; Letter of Credit (L/C) and PayPal for small orders are also supported.
A dedicated after‑sales engineer provides 24 h email support, 2‑year warranty, and on‑site troubleshooting for critical installations.
All LII crossovers are FCC‑certified and come with full customs documentation (CO, HS code 8532.10). We also provide E‑certificates for RoHS and REACH.
Limited Offer: First‑order discount 10% for contracts signed before May 31 2026. Stock is limited to 50,000 pcs per month.
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Mark Stevens, Audio Engineer, SoundWave Corp.
“The LII crossover’s tolerance of ±2 % gave us the sonic consistency we needed across 200+ speaker units. Delivery was on schedule, and the technical support answered every query within hours.”
Emily Rivera, Procurement Lead, AudioLux
“We saved 25 % on our BOM after switching to Xinchangda’s OEM design. The sample kit convinced our engineering team instantly – no re‑work required.”
David Kim, Operations Manager, ProAcoustics
“Fast 15‑day bulk delivery kept our production line moving during a peak season. The product passed all FCC and CE tests on first try.”
Alex Chen, Senior Product Engineer – Audio Magnetics Division
With 12 years of hands‑on experience designing magnetic components for premium audio brands, Alex leads the R&D team that created the LII crossover platform. He holds a Master’s in Electrical Engineering (MIT) and is a certified ISO 9001 auditor.
Contact: alex.chen@xcdmagnetic.com | Phone: +86 0752‑3388753
