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For Purchasing Managers & Technical Directors who need crystal‑clear audio without the cost overruns of low‑quality filters, our crossover low pass filter delivers up to 37% reduction in harmonic distortion while meeting CE, FCC, RoHS, and ISO‑9001 standards.
Get Free Quote in 24 h| Parameter | Typical Value | Tolerance |
|---|---|---|
| Cutoff Frequency | 200 Hz – 3 kHz (customizable) | ±0.5 % |
| Impedance | 4 Ω / 8 Ω | ±0.2 dB |
| Power Handling | 50 W – 200 W | ±5 % |
| Temperature Range | ‑40 °C to +85 °C | N/A |
| Material | Ferrite Core, Litz Wire | ISO 9001 compliant |
Professional Audio Installations: A US‑based concert venue replaced generic filters with our custom 250 Hz low‑pass units, achieving a 31% reduction in feedback incidents and a 12% increase in ticket sales due to superior sound quality.
crossover-3-way-passive adjustable-passive-crossover audio-crossover-filter High-Power-Choke
Medical Imaging Equipment: Our low‑noise design helped a leading MRI manufacturer meet IEC 60601‑2‑33 standards, cutting warranty claims by 18%.
New‑Energy Inverters: Integrated into solar‑inverter modules, the filter lowered harmonic distortion from 5.6% to 2.1%, improving overall system efficiency by 4.3%.
“Switching to Xinchangda’s low‑pass filters cut our audio‑system warranty costs by 27% and improved end‑user satisfaction scores from 78 % to 92 %.” – John Miller, Operations Manager, SoundTech USA
Certifications: CE, FCC, RoHS, ISO 9001, VDE, SGS, CB, GS – all documents downloadable on request.
Q1: What is the typical lead time for a custom crossover low pass filter?
A: Standard stock units ship within 7 days. Custom specifications (cutoff frequency, impedance) are produced in 14‑21 days after design approval.
Q2: Can you provide OEM branding and packaging?
A: Yes. Our OEM/ODM team handles logo placement, custom color‑coding, and compliance labeling (CE, FCC, RoHS) at no extra tooling cost for orders over 5,000 units.
Q3: How do you ensure quality for high‑volume orders?
A: All units undergo 100% automated winding inspection, magnetic core permeability testing, and final batch certification by SGS. Test reports are issued with every shipment.
Q4: What are the payment and shipping options for US buyers?
A: We accept T/T, L/C, PayPal, and corporate credit cards. DHL, UPS, and FedEx air freight are available; sea freight for bulk orders (>10 k pcs) with FOB Shenzhen pricing.
Q5: Do you offer after‑sales technical support?
A: Our 24 h support desk (US + CN) provides schematic reviews, integration assistance, and a 12‑month warranty covering material and workmanship defects.
Q6: Is a free sample available for evaluation?
A: Absolutely. We ship up to 10 pcs of a standard 200 Hz low‑pass filter to your facility within 5 business days – no charge, no obligation.
Limited‑time offer: Free 30‑day sample + 10% discount on first order for contracts signed before 31 May 2026.
Request Sample Now Email Sales TeamOr WhatsApp us directly: +86 131 2825 6415
Emily Chen, Procurement Lead – AudioGear Inc.
“The Xinchangda low‑pass filter cut our component cost by 28% while the sound clarity improved noticeably. Delivery was exactly as promised.”
Michael Patel, Technical Director – MedTech Solutions
“Certification paperwork was flawless, and the filter met IEC standards on the first test. After‑sales support resolved a wiring query within 2 hours.”
Sara Lopez, Operations Manager – GreenSolar Ltd.
“Our inverter efficiency rose 4.3% after integrating the custom low‑pass filter. The ROI was realized in less than three months.”
David Liu, Senior Product Engineer – Xinchangda Electronic
With 14 years of experience in magnetic component design, David leads the R&D team that has delivered over 70,000 crossover networks monthly to 20+ countries. He holds a Master’s degree in Electrical Engineering (University of Hong Kong) and is a certified ISO 9001 auditor.
Contact: grace01@xinchangdadz.com | Phone: +86 131 2825 6415
