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Reduce noise, improve signal integrity, and cut total‑system cost – designed for Audio Engineers, Purchasing Managers, and Operations Leaders.
Get Free Quote in 24 hMost purchasing teams face three recurring issues that erode ROI:
Imagine launching a new PA system only to discover the audio input stage fails compliance tests – the result is delayed certification and lost market share.
| Parameter | Value | Unit | Standard / Test |
|---|---|---|---|
| Primary Turns | 120 | Turns | IEC 60217 |
| Secondary Turns | 120 | Turns | IEC 60217 |
| Frequency Range | 20‑20 kHz | Hz | ANSI C63.4 |
| Insertion Loss | ≤ 0.2 | dB | IEC 60217 |
| Operating Temp. | ‑40 ~ +85 | °C | MIL‑STD‑810 |
| Package | PCB‑Mount / Chassis | - | Custom |
Live‑Sound Reinforcement: A US‑based touring company reduced on‑stage noise by 28 % after replacing generic input transformers with our low‑noise units (serial #AIT‑US‑2025).
Broadcast Studios: A European broadcaster achieved ‑95 dB total harmonic distortion, meeting the stringent EBU R‑128 standard.
Medical Imaging Equipment: Our transformer’s tight tolerance ensured stable 600 Ω matching, eliminating signal drift in MRI pre‑amplifiers.
sound-output-transformer audio-frequency-transformer Series-transformer amplifier-transformer
“Xinchangda’s audio input transformers cut our noise floor by 30 % and arrived in 18 days – a game‑changer for our product launch.”
All units are certified: CE, FCC, RoHS, ISO 9001, VDE, CB, GS. Full compliance documentation is provided on request.
Standard OEM orders ship within 30 days after design approval. Rush‑order (express) can be completed in 14 days for volumes under 5 k units.
Yes. We ship a functional sample (up to 2 pcs) at no cost after you share your exact specifications.
All our audio input transformers are designed to meet ≤‑85 dB hum and ≤‑100 dB total harmonic distortion, complying with IEC 60217.

We accept T/T 30 % deposit, 70 % before shipment, or L/C at sight. For trusted partners, net‑30 days after delivery is negotiable.
Our technical team provides 24 / 7 email support, a 12‑month warranty, and on‑site assistance for critical installations.
Limited‑time offer: Free engineering sample + 10 % discount on the first 5 k units. Stock is limited.
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Emily Chen, Procurement Lead – LiveSound Corp.
“The low‑noise transformer reduced our studio’s background hiss by 27 %. Delivery was on schedule, and the documentation met our FDA‑class‑II audit.”
Michael O’Neil, Technical Director – AudioGear Ltd.
“We switched from a $15 generic part to Xinchangda’s $9 OEM unit and saved 40 % on cost while improving performance.”
Sofia Rossi, Operations Manager – MedTech Solutions.
“Their ISO‑9001 process gave us confidence for our MRI pre‑amp upgrade. 100 % on‑time delivery.”
David Liu, Senior Magnetics Engineer with 15 years of experience in high‑frequency transformer design for audio, medical, and renewable‑energy markets. Former Lead R&D Engineer at a Fortune‑500 audio equipment OEM. Holds a Ph.D. in Electromagnetic Materials and is a certified ISO 9001 auditor.
Contact David directly: grace01@xinchangdadz.com | +86 131 2825 6415
Huizhou Xinchangda Electronic – 14th Floor, Building A, Pushengwang Industrial Park, Sanhe Street, Huiyang District, Huizhou City, Guangdong Province, China
Tel: +86 131 2825 6415 | +86 0752‑3388753 | Email: grace01@xinchangdadz.com