Power Perfected

Products

We design and manufacture custom transformers to customer specifications, supporting audio, lighting, and industrial applications worldwide.

Our transformer solutions are integrated into a wide range of equipment, including Hi-Fi and professional audio systems, AV receivers, public address systems, lighting control and power supplies, pumps, water heating systems, ventilation equipment, automation systems, medical and rehabilitation devices, fitness equipment and other residential, commercial, and industrial products.

Audio Transformers

Audio output transformers designed for professional public address (PA) systems and high-fidelity consumer audio equipment. Our designs focus on low distortion, wide bandwidth frequency response, and efficient power transfer, supported by high-quality manufacturing processes and stringent production control to ensure consistent performance and reliability.

Lighting Transformers

Lighting transformers designed for low-voltage lighting systems, providing stable output, efficient power conversion, and safe electrical isolation. Our transformer solutions are widely used in outdoor decorative lighting, seasonal and architectural lighting, LED lighting systems, and pool and spa lighting applications, where reliability and compliance are critical.

Industrial Transformers

Custom industrial transformers designed to meet specific electrical, mechanical, and environmental requirements.
Our industrial solutions are used in equipment such as pumps, motors, automation systems, heating and ventilation units and specialised machinery, where durability, consistency and long service life are essential.

Custom & Specialised Designs

Tailored transformer designs developed for unique or non-standard applications. We work closely with OEM partners to engineer transformers that meet specific performance, space, compliance, or integration requirements, supporting specialised equipment and emerging product designs.

FAQs

Q: Do you offer custom transformer design?

A: Yes. All products are designed and manufactured to customer specifications, with engineering support to meet application and compliance requirements.

Q: What is your typical power range?

A: Our standard capability covers single-phase, dry-type transformers from 1VA to 2000VA.

Q: Which markets do you support?

A: We support global OEM customers across the United States, Japan, EU (mainly UK, Germany, Greece, Türkiye), Australia/New Zealand, and ASEAN countries.

Q: Can you support UL, CE, or PSE compliance?

A: Yes. Transformer designs can be developed to support relevant international standards, including UL, CE, and PSE, depending on application requirements.

Q: What is the typical minimum order quantity (MOQ)?

A: MOQ is determined on a case-by-case basis, depending on the design, application, and production requirements. Please contact us to discuss your specific needs.

Q: Do you sell standard, off-the-shelf, or single replacement transformers?

A: Topmark is an OEM manufacturer specialising in custom transformer production for equipment manufacturers. We do not offer standard catalogue products, individual replacement units, or retail sales. For replacement parts, we recommend contacting the original equipment manufacturer or authorised service provider.

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Questions? Custom transformer solutions start here.