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  • GT6350EC
    GT6350EC
    Voice Coil ⌀:   2.5 inch  /  63.5mm
    Throat ⌀:  1.4 in  /  35.56mm
    Magnet Material:  Strontium Ferrite
    Nom. Impedance: 8 Ω
    Power Capacity: 70W
    Mounting Type: Screw 1-3/8” or bolt-on
  • GT4442A
    GT4442A
    Voice Coil ⌀:  1.75 inch  /  44.4mm
    Throat ⌀:   1 inch  /  25mm
    Magnet Material:  Strontium Ferrite
    Nom. Impedance:  8Ω
    Power Capacity: 60W 
    Mounting Type: Bolt-on
  • GT9044NC-1
    GT9044NC-1
    Voice Coil ⌀: Mid-range:3.5in(90mm) , High-range:1.75in(44.4mm)
    Throat ⌀：2.0in(50.8mm)
    Magnet Material: Neodymium N38SH
    Nom. Impedance: 8 or 16 Ω
    Power Capacity: 150W AES above 400Hz (Middle Range)  /  80W AES (High Range)
    Mounting Type: Bolt-on
  • GT4440NA
    GT4440NA
    Voice Coil ⌀:  1.75inch  /  44.4mm
    Throat ⌀:  1 inch  /  25mm
    Magnet Material:  Neodymium Ring
    Nom. Impedance:  8 Ω
    Power Capacity:  50W 
    Mounting Type:  Bolt-on
  • GT2540AS
    GT2540AS
    Voice Coil ⌀:  1.0inch  /  25.4mm
    Throat ⌀:  1.0inch  /  25.4mm
    Magnet Material:   Strontium Ferrite
    Nom. Impedance:  8 Ω
    Power Capacity:  20W 
    Mounting Type:  Screw on 1-3/8"
  • GT6301A
    GT6301A
    Voice Coil ⌀:  2.5 inch  /  63mm
    Throat ⌀:   1 inch  /  25.4mm
    Magnet Material:  Strontium Ferrite
    Nom. Impedance:  8Ω
    Power Capacity: 60W 
    Mounting Type: Bolt-on
  • GT9000NA
    GT9000NA
    Voice Coil ⌀:  2x3.5inch  /  2x90mm
    Throat ⌀：2inch  /  50.8mm
    Magnet Material: Neodymium N38SH
    Nom. Impedance: 2x16 Ω
    Power Capacity: 300W (2x150W)
    Mounting Type: Bolt-on
  • GT4440NC
    GT4440NC
    Voice Coil ⌀:  1.75inch  /  44.4mm
    Throat ⌀:  1 inch  /  25mm
    Magnet Material:  Neodymium Ring
    Nom. Impedance:  8 Ω
    Power Capacity:  50W 
    Mounting Type:  Bolt-on
  • GT7500NC
    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
  • GT3441EC
    GT3441EC
    Voice Coil ⌀:  1.35inch / 34.4mm
    Throat ⌀:  1.0inch  /  25.4mm
    Magnet Material:    Ferrite Y-35
    Nom. Impedance:  8 Ω
    Power Capacity:  40W 
    Mounting Type:  Screw 1-3/8” /  Bolt-on
  • GT4441EC
    GT4441EC
    Voice Coil ⌀:  1.75inch  /  44.4mm
    Throat ⌀:  1.0inch  /  25.4mm
    Magnet Material:   Ferrite Y-35
    Nom. Impedance:  8 Ω
    Power Capacity:  50W 
    Mounting Type:  Screw 1-3/8” / Bolt-on
  • GT2540NS
    GT2540NS
    Voice Coil ⌀:  1inch  /  25 mm
    Throat ⌀:    1inch / 25 mm
    Magnet Material:   Neodymium N-38H
    Nom. Impedance:  4Ω
    Power Capacity: 25W
  • GT3850EC
    GT3850EC
    Voice Coil ⌀:  1.5 inch  /  38mm
    Throat ⌀:    1inch / 25.4 mm
    Magnet Material:   Strontium Ferrite
    Nom. Impedance:  4Ω or 8Ω
    Power Capacity: 30W
    Mounting Type:   Bolt-on
  • GT3851NS
    GT3851NS
    Voice Coil ⌀:  0.98 inch  /  24.9mm
    Throat ⌀:    1inch / 25.4 mm
    Magnet Material:   Neodymium N-38H
    Nom. Impedance:  4Ω
    Power Capacity: 25W
  • GT7221EC
    GT7221EC
    Voice Coil ⌀:  2.84 inch  /  72.2mm
    Throat ⌀:    2inch  /  50mm
    Magnet Material:   Ferrite Y35
    Nom. Impedance:  8Ω
    Power Capacity:  90W
    Mounting Type:  Screw 1-3/8” or Bolt-on
  • GT5110CS
    GT5110CS
    Voice Coil ⌀:  2.0inch  /  51.1mm
    Throat ⌀:    0.875inch  /  22.2mm
    Magnet Material:   Ferrite Y35
    Nom. Impedance:  8Ω
    Power Capacity:  60W
    Mounting Type:  Screw 1-3/8” or Bolt-on
  • GTN902
    GTN902
    Voice Coil ⌀:  2x3.5inch  /  2x90mm
    Throat ⌀:   2.0inch  /  50.8mm
    Magnet Material:   Neodymium N38SH
    Nom. Impedance:  2x8Ω or 2x16Ω
    Power Capacity:  400W (2x200W)
    Mounting Type:  Bolt-on
  • GT9000HC
    GT9000HC
    Voice Coil ⌀:  2x3.5inch (2x90mm)
    Throat ⌀：2inch  /  50.8mm
    Magnet Material:  Neodymium N38SH
    Nom. Impedance: 2x8 or 2x16 Ω
    Power Capacity: 400W (2x200W)
  • GT7501NC
    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
  • GT9000NC
    GT9000NC
    Voice Coil ⌀:   2x3.5inch  /  2x90mm
    Throat ⌀:   2.0inch / 50.8mm
    Magnet Material:  Neodymium N38SH
    Nom. Impedance:  2×8Ω or 2×16Ω
    Power Capacity: 400W (2x200W) 
    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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