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High-Power Woofer Custom Audio Coil
US$0.58
1,000-4,999 Pieces
US$0.55
5,000+ Pieces
Sample price:US$2.00/piece.Request sample
Product profile
Customization
AvailableType
Choke InductorStructure
Mutual InductorModel NO.
AL-C87Working Frequency
Low FrequencyStructure of Winding
Single CoilNature of Operation
Choke CoilStructure of Magnetizer
Ferrite CoilRange of Application
ChokePackaging Form
Power CoilsBrand
ALInductor Value
Variable InductorInductor Type
Inductor LeadedApplication
Electrical componentsSupplier Type
AL factoryMounting Type
Through HoleDescription
Sq Ferrite Core Inductor Flat Wire CoilTransport Package
cartonSpecification
1000*Trademark
ALOrigin
ChinaHS Code
85045000Production Capacity
10000/yearKey features
Nano-Grade Copper Wire: Crafted with nano-grade superconducting copper wire to minimize resistance and enhance signal transmission efficiency.
Wide Frequency Range: Supports an ultra-wide frequency range of 5Hz-40kHz, compatible with Hi-Res Audio and DSD formats.
High Durability: High-temperature-resistant ceramic insulation ensures a lifespan exceeding 10,000+ hours with oxidation resistance.
Dynamic Response Boost: Adaptive frequency-band processing boosts transient response by 30% for capturing subtle audio details.
Sealed Design: Fully sealed design protects against dust and harsh environments for stable operation.
Gold-Plated Connectors: Features 3.5mm gold-plated or balanced interface connectors for optimal signal integrity.
Professional Applications: Ideal for studio monitoring, home theater upgrades, and high-resolution headphone drivers.
Company profile

Business Type: Manufacturer/FactoryExport Year: 1993-02-11Nearest Port: shanghai, shengzhenAverage Response Time: ≤9.31hTerms of Payment: T/T, D/P, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW
AI-Powered supplier vetting
SummaryAL TRANSFO TECHNOLOGY Co., Ltd is identified as a trading company that researches and sells power supplies, chargers, coils, transformers, inductors, reactors, wiring harnesses, and electronic appliances. Its company description states that it designs and manufactures transformers, inductors, chokes, power supplies, and cable assemblies, with ISO 9001 and ISO 14001 certifications reported. The supplier offers flexible customization and has approximately eight years of export experience, with 90% of total sales from exports. However, the provided assessments report one R&D engineer, no new products in the past year, no ODM, OEM for popular brands, SDK, in-stock, overseas warehouse, or overseas showroom capability. Service-management weaknesses include no written procedures or records for supplier assessment, corrective actions, or complaint handling. No Fortune 500 cooperation is reported, while repeat-buyer preference is stated at 50%–80%.
CertificationsThe company description states that ISO 9001 and ISO 14001 certifications were earned through the SGS system. These statements provide explicit evidence of the reported certifications, although no certificate validity dates or certificate documents are provided.
After-Sales capabilityThe supplier is reported to have no in-stock service capacity, no overseas warehouse, and no overseas showroom. It also has no written procedures or records for customer complaint handling, service-capability assessment, or corrective and preventive actions, indicating a documented after-sales and service-management deficiency.
R&D capabilityInnovation evidence is weak: the supplier is reported as having one R&D engineer, no new products launched in the past year, no ODM service, no available SDK, and no 3D software design service. Although flexible customization and claimed R&D/manufacturing capabilities are mentioned, the explicit recent-product and resource data indicate a deficiency in demonstrated innovation capability.
Customization capabilityFlexible customization is explicitly reported, and the company description states that its products can be custom made according to customer requirements. This is directly supported by both the capability assessment and the supplier’s own product description.
Client casesThe supplier reports no OEM service for popular brands and no cooperation with Fortune 500 companies. A repeat-buyer preference of 50%–80% is reported, but no named customer cases or independently specified reference projects are provided.
Product Q&A
Q:How long is the expected lifespan of the coil?
A:
The coil has a lifespan exceeding 10,000+ hours due to high-temperature-resistant ceramic insulation.
Q:What is the recommended burn-in period?
A:
For optimal performance, allow a 10-hour burn-in period during initial use.
Q:What are the accepted payment methods?
A:
Accepted payment types include T/T, L/C, PayPal, Western Union, and Escrow in USD or CNY.
Q:What are the accepted delivery terms?
A:
Accepted delivery terms include FOB, CFR, CIF, EXW, and Express Delivery.
Q:What is the lead time for production?
A:
Peak season lead time is 1-3 months, while off-season lead time is within 15 workdays.
Send Inquiry
*To:
AL Transfo Technology Limited
AL Transfo Technology Limited*Content:
Supplier replies will be sent to your registered email
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