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Tailored for Purchasing Managers, Technical Directors, and Operations Leaders who demand superior bass performance without premium price tags.
Get Free Quote in 24 hHigh price, low quality, delayed shipments – three pain points that cost you time and money.
Imagine a new‑generation home‑theater line delayed by 3 months because the low‑frequency audio module fails compliance testing. That’s a lost revenue of $250k on average.
See How We Solve It →| Parameter | Value | Unit |
|---|---|---|
| Power Rating | 0.5‑5 | kVA |
| Frequency Range | 20‑200 | Hz |
| Core Material | Nanocrystalline | - |
| Efficiency | ≥95 | % |
| Temperature Rise | ≤40 | °C |
| Certifications | CE, FCC, RoHS, ISO 9001 | - |
• Home‑Theater Sub‑Woofer Modules – 20 k units delivered in 22 days, achieving 37% cost reduction vs. legacy suppliers.
• Professional Concert PA – Custom 5 kVA transformers used in 3 major festivals, resulting in a 12 dB SPL gain.
• Automotive Audio Systems – Integrated low‑frequency crossovers that passed UL‑94 V‑0 flame test on first attempt.
High-Frequency-Transformer-EE-Type transformer-1-1 Isolation-Transformer High-Frequency-Transformer-PQ-Type
Standard stock items ship within 7‑10 business days. Custom OEM projects (winding design, coating) require 18‑22 days after design approval.
Yes. Our 10 R&D engineers work with you from schematic to final prototype, offering unlimited design iterations within the agreed scope.
All low‑frequency audio components are certified CE, FCC Part 15, RoHS, and have test reports available on request.
We offer T/T 30% deposit – 70% before shipment, L/C at sight, and PayPal for samples. Credit terms (Net 30) are negotiable for qualified accounts.
All orders include a 12‑month warranty and a dedicated support line (24 h response) for performance tuning and documentation.
Risk‑free trial: Order a free sample (US$49 shipping) – if it doesn’t meet the spec, we’ll cover the return cost.
Request Sample Email Sales TeamOr call us now: +86 131 2825 6415 (WhatsApp available)
Linda Chen, Senior Engineer, SoundWave Corp. – “The low‑frequency audio transformer exceeded our SPL target by 4 dB while staying under budget. Delivery was 3 days ahead of schedule.”
Mark Davis, Procurement Lead, AutoAudio Inc. – “OEM crossover design was flawless. The documentation matched the actual product, saving us 2 weeks of testing.”
Sarah Patel, Operations Manager, HomeCinema Solutions – “We received CE and FCC certificates instantly from Xinchangda’s portal. No customs delays – a rare win for us.”
David Liu – Senior Magnetics Engineer & Technical Content Lead at Huizhou Xinchangda Electronic.
14+ years in magnetic component design, published in IEEE Transactions on Magnetics, and holder of 6 patents on low‑frequency transformer topologies. He advises Fortune‑500 audio OEMs on cost‑effective bass solutions.
Who Trusts Our Low Frequency Audio Products
Compliance & Certifications: CE, FCC, RoHS, ISO 9001, VDE, CB, GS – all verified by third‑party labs and uploaded on our portal.
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