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Home » Products » Compression Driver » Voice Coil ⌀ 75mm
  • GT7500NC
    Voice Coil ⌀:  3.0inch  /  75mm
    Throat ⌀:  1.4inch  /  36mm
    Magnet Material:  Neodymium Ring
    Nom. Impedance:  8 Ω
    Power Capacity:  90W 
    Mounting Type:  Bolt-on
  • GT7501NC
    Voice Coil ⌀: 3inch  /  74.46mm
    Throat ⌀:2.0inch  /  50.8mm
    Magnet Material: Neodymium N38H
    Nom. Impedance: 8 Ω
    Power Capacity: 80W RMS
    Mounting Type: Bolt-on
  • GT7620
    Voice Coil ⌀:  2 x 3inch  /  2 x 76mm 
    Throat ⌀:1.5 inch / 38 mm
    Magnet Material: Neodymium N48H
    Nom. Impedance: 2x16 Ω
    Power Capacity: 100W RMS (2 x 50W)
    Mounting Type: Bolt-on

Ningbo BTL Audio

We are a producer maintaining production bases in Ningbo and Guangzhou, designs and manufactures high-quality PA loudspeakers.
We integrate forward-thinking design, stringent materials, precision testing, and automated production with skilled assembly to guarantee exceptional quality and reliability.
Trusted by top audio brands, we deliver field-proven driver solutions. This enables our clients to save time on sourcing and testing, capture market trends faster, and minimize post-sale issues.
Ultimately, we help partners, ensure superior quality, boost brand image, stand out, and build enduring brand reputations beyond short-term gains.

Contact Us

    +86-13456142388 / +86-15957486002
    13456142388 / 15957486002
   jackie.shen@btlaudio.com  / cicy.shi@btlaudio.com
   42 West of Shimi Road, Guanhaiwei Town, Cixi City, Zhejiang Province, China
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