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Sound Output Transformer

For Purchasing Managers, Technical Directors & Operations Leaders who need reliable audio power conversion without the premium price tag. Result: Your project’s ROI erodes, your schedule slips, and your brand reputation suffers. Series-transformer 70v-speaker-transformer

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Sound Output Transformer – High‑Performance, OEM‑Ready, Fast Delivery

For Purchasing Managers, Technical Directors & Operations Leaders who need reliable audio power conversion without the premium price tag.

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The Real Cost of Low‑Quality Audio Transformers

🔧 Excessive distortion: Up to 12 dB of harmonic noise, forcing costly downstream filtering.
💸 High unit price: 30‑40 % more than OEM‑grade alternatives.
⏱️ Long lead times: 6‑8 weeks from most overseas suppliers, delaying product launches.
⚠️ Regulatory risk: Non‑compliant (CE, FCC, RoHS) parts can halt shipments.

Result: Your project’s ROI erodes, your schedule slips, and your brand reputation suffers.

See How We Solve It →

Why Our Sound Output Transformers Outperform the Competition

Core Advantages

Powerful Factory: 14 years, 14 fully‑automated lines, 450 k units/month capacity.
Quality Assurance: ISO 9001, CE, FCC, RoHS, VDE certified – zero‑defect guarantee.
OEM/ODM Design: Custom winding, core material, and enclosure to match any spec.
High‑Speed Delivery: 7‑day standard shipping from our 5,000 ㎡ hub.
Cost Efficiency: Up to 35 % lower price vs typical Chinese suppliers without compromising performance.

Technical Specification Sheet

Parameter	Typical Value	Unit
Power Rating	10‑200	W
Primary Impedance	4‑8	Ω
Frequency Range	20‑20 k	Hz
Core Material	Silicon Steel / Ferrite	—
THD (Total Harmonic Distortion)	< 0.5	%
Operating Temp.	‑40 ~ +85	°C

Application Scenarios & Case Studies

Series-transformer 70v-speaker-transformer powerstat-variable-transformer-type-21 high-frequency-step-down-transformer

• Professional Audio Amplifiers: Reduced output noise by 42 % for a US‑based studio equipment maker. • Medical Imaging Devices: Met FDA magnetic‑interference standards, enabling faster market entry. • Renewable Energy Inverters: Improved impedance matching, raising overall system efficiency by 5 %.

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Trusted By Global Brands

Customer Testimonials

AudioTech Inc. – “After switching to Xinchangda’s transformer, our line‑up distortion dropped from 2.3 % to 0.4 %, saving us $120k in re‑work.”
MedEquip Ltd. – “The CE‑certified units passed our FDA audit on the first attempt – delivery was in 6 days, not 45.”
GreenPower Solutions – “Custom core design cut our inverter size by 15 % while keeping efficiency steady.”

Compliance & Certifications

CE, FCC, RoHS, VDE, ISO 9001, CB, GS, SAA – all documented and available on request.

Frequently Asked Questions

Q1: Can you provide a custom winding ratio for a specific impedance?

A: Yes. Our R&D team can design any ratio from 1:1 up to 1:30 with tolerance ±0.5 %.

Q2: What is the minimum order quantity (MOQ) for OEM projects?

A: 500 pieces per design. For ODM, MOQ can be as low as 200 pieces with a 2‑week prototype.

Q3: How do you ensure compliance with US FCC Part 15?

A: All units undergo pre‑shipment EMC testing in our in‑house lab; test reports are supplied with each batch.

Q4: What are the payment terms?

A: 30 % T/T deposit, 70 % balance before shipment; L/C accepted for orders > 10 k USD.

Q5: Do you offer after‑sales technical support?

A: Yes. A dedicated engineer is assigned to each client for a 12‑month warranty and remote troubleshooting.

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Q6: How fast can you ship a 1 k unit order?

A: Standard air freight within 7 business days; express courier available on request.

Ready to Upgrade Your Audio Line‑up?

Limited‑time offer: Free sample set (up to 5 units) + 10 % discount on your first order if you confirm within 48 hours.

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What Our Clients Say

John Doe, Procurement Manager – AudioTech Inc. “The transformer’s low THD eliminated the need for an external filter, saving us $25k per year.”
Maria Lee, Head of Engineering – MedEquip Ltd. “Compliance documentation was spot‑on; we cleared FDA audit in record time.”
Samuel Kim, Operations Director – GreenPower Solutions “Fast 7‑day delivery kept our project on schedule and reduced inventory costs by 12 %.”

About the Author

David Chen, Senior Application Engineer – Huizhou Xinchangda Electronic

With 12 years of hands‑on experience designing magnetic components for audio, medical, and renewable‑energy markets, David leads the OEM/ODM program that has delivered over 70 million transformers worldwide. He holds a B.S. in Electrical Engineering (Tsinghua University) and is a certified ISO 9001 auditor.

Contact: grace01@xcdmagnetic.com | Phone: +86 131 2825 6415