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Customized Audio Amplifier Toroidal Transformer 110V 65-0-65V 50-0-50V 300W 400W Ring

Name: Customized Audio Amplifier Toroidal Transformer 110V 65-0-65V 50-0-50V 300W 400W Ring
Brand: Hangzhou Udwells Technology Co., Ltd.
SKU: 2234635415

Zhejiang, ChinaHangzhou Udwells Technology Co., Ltd.

US$2.00-20.00

500 Pieces

Product profile

Customization

Available

Application

Power, Electronic, Instrument, Lighting, Rectifier, Audio

Phase

Single

Model NO.

20W

Core

Core-type Transformer

Cooling Method

Dry-type Transformer

Winding Type

Multi-winding Transformer

Certification

ISO9001

Usage

Single-phase Transformer

Frequency Characteristics

Low Frequency

Shape of Core

Ring

Operating Temperature

-40ºCTO +125ºC

Storage Temperature

-25ºCTO+85ºC

Customize

Yes

Type

Ei/Toroidal

Installation Method

Vertical/Horizontal/with a Base/with a Cover

Transport Package

Export Standard Carton and Strong Pallet

Specification

Toroidal Low Frequency Transformer

Origin

Zhejiang

Production Capacity

200000 PCS/Month

Key features

Customization Options: Full customization available from samples, designs, or flexible requirements.

Wide Power Range: Output power spans from 0.3VA up to 2000VA across various models.

Multiple Core Types: Available in Toroidal and EI core types for different application needs.

Flexible Installation: Supports vertical, horizontal, base-mounted, or covered installation methods.

High Efficiency: Toroidal design offers high efficiency with minimal magnetic leakage and interference.

ISO9001 Certified: Manufacturing process adheres to ISO9001 quality management standards.

Low Frequency Application: Optimized for low frequency characteristics suitable for power and audio systems.

Company profile

High Repeat Buyers ChoiceFast DeliveryPrivate MoldQuality Assurance

Hangzhou Udwells Technology Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤4.32h

AI-Powered supplier vetting

SummaryHANGZHOU UDWELLS TECHNOLOGY CO. Ltd. was founded in 2008 and reports a self-built plant exceeding 15,000 square meters, more than 10 production lines, Europe as a primary export market, and peak-season order fulfillment within 15 working days. It provides multiple customization options, ODM services, and has launched new products within the past year. The supplier also reports OEM service for well-known brands and quality assurance in its quality-control processes. However, no R&D audit documentation, SDK, approved-supplier list, written service procedures, corrective/preventive-action procedures, or complaint-handling procedures were available. Overseas warehouses, showrooms, agents or branches, and offline trade-show participation were not reported. Financial information is insufficient for a credibility judgment, and sustainability-related fire-drill and environmental-assessment status is unknown.

After-Sales capabilityTechnology engineers are responsible for technical support during production and after-sales service, but the supplier has no written procedures or records for effective service assessment, corrective and preventive actions, or customer complaint handling. It also has no overseas warehouse, showroom, agent, or branch, limiting evidence of structured or localized after-sales support.

R&D capabilityThe supplier reports new products within the past year, ODM capability, customization-related R&D services, and use of PS and CAD. It also reports OEM service for well-known brands. Countervailing evidence includes only one year of total R&D engineer experience, no available SDK, and no R&D design-input, output, review, verification, or validation documents for audit.

Production capacityThe supplier reports a self-built plant exceeding 15,000 square meters, more than 10 production lines, complete testing facilities, and peak-season order fulfillment within 15 working days. These explicit operating-scale and delivery statements support a production-capability advantage, although the number of quality-control staff is listed as unavailable.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, flexible customization, and minor customization. It also provides ODM services, demonstrating broad stated customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands and identifies Europe as a primary export market. These statements indicate some brand and export experience, but no customer names, project details, order references, or verifiable case documentation are provided.

Product Q&A

Q:Which should I choose: Toroidal or EI transformer?

Choose Toroidal for high efficiency, low interference, and high-end audio/instruments (higher cost). Choose EI for general industrial use, smaller size, and cost-effectiveness.

Q:What are the available power ratings?

The product line covers a wide range from 0.3VA to 2000VA, including models like EI-28x11.5 (0.3VA) up to El-162x90.0 (2000VA).

Q:Can the transformer be customized?

Yes, full customization is available from samples, designs, or flexible requirements, including specific voltage, power, and installation methods.

Q:What is the minimum order quantity?

The minimum order quantity is 2000 pieces.

Q:What are the lead times for production?

Peak season lead time is within 15 workdays to one month. Off-season lead time is within 15 workdays to one month.