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Audiofrog GS Series 4" Midrange Car Speaker - GS40

Abt Model: GS40 | UPC Code: 855775005190
Audiofrog - GS40 - 4 Inch Car Speakers
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Regular Price $229.99
70 Watts RMS Power Handling/ 200 Watts Peak Power Handlin/ 4 Ohms Nominal Impedance/ Proprietary Injection Molded ABS Plastic And Fiberglass Basket/ Parabolic Polypropylene Cone/ Nitrile Butadiene Rubber Surround/ Ferrite Motor With Neodymium Bucking Magnet / 1 " (25mm) Copper Voice Coil On Kapton Former/ Grille Included/ Hex Screws And Tools Included/ Black Finish
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Your Shipping Zip Code: 20149 (change)

Estimated Delivery Date: 
Oct 28th - Oct 31st *

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Product Details

Audiofrog GS Series 4" Midrange Car Speaker - GS40

Designed to be used in two- or three-way systems, the GS40 includes a non-resonant injection-molded ABS plastic and fiberglass vented basket. The 1” copper voice coil wound on a Kapton® former provides high power handling. A parabolic propylene cone ensures long-term reliability and provides the right compromise between compliance and stiffness for flatter high frequency response. The ferrite motor includes a neodymium bucking magnet atop the pole piece for increased motor strength and sensitivity. Terminals are secured by a small PC board integrated into the inside of the basket.

The GS40 is optimized for use in passive systems with the GS10 tweeter and GS410C passive crossover network. It can also be used in active systems or in a three-way system with the GS10 and GS60 midrange. For a combination of active and passive three-way system, use the GS40 with the GS10 and GS410C and a GS60.


  • Proprietary injection molded mented ABS and fiberglass basket
  • 1" (25mm) copper voice coil on Kapton® former
  • Ferrite motor with neodymium bucking magnet for increased sensitivity
  • Parabolic propylene cone
  • Nitrile butadiene rubber surround
  • Flat progressive Nomex® spider
  • Fast-on terminals secured with integrated PC board
  • Grilles included
  • Hex screws and tools included


  • Nominal Impedance:
  • RMS Power Handling: 70 W (with recommended crossover)
  • Peak Power Handling: 200 W (with recommended crossover)
  • Frequency Response (-3 dB): 90 Hz – 12 kHz
  • Sensitivity (2.83 V/1 M): 88 dB
  • Recommended Amplifier RMS Power Range: 15 W – 75 W
  • Recommended High Pass Filter Frequency and Slope: ≥ 150 Hz, ≥ 12 dB/oct
  • Recommended Low Pass Filter Frequency and Slope: ≤ 3.5 kHz, ≥ 12 dB/oct
  • Thiele And Small Parameters:
    • Revc: 2.33 Ω
    • Levc@1kHz: 0.08 mH
    • Sd: 59.4 cm²
    • Mmd: 3.14 g
    • Mms: 4.19 g
    • Cms: 284.23 µM/N
    • Vas: 6.05 liters
    • Fs: 145.8 Hz
    • BL: 3.06 TM
    • Qms: 5.74
    • Qes: .995
    • Qts: .82
    • Xmax (1-way linear): 3.2 mm (1/8”)
    • Basket Displacement: 0.113 liters (0.004 ft³)

Approximate Dimensions:

  • Cut-out diameter: 93.6 mm (3-11/16”)
  • Overall Diameter: 110 mm (4-11/32”)
  • Overall Diameter Including Mounting Tabs: 121.5 mm (4-13/16”)
  • Mounting Depth: 48 mm (1-29/32”)
  • Mounting Height: 7.5 mm (5/16”)

Approximate Weight:

  • Shipping: 6 lbs
More reasons to buy the Audiofrog GS40 from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Audiofrog GS40 is Brand New.
  • The Audiofrog GS40 Ships in a Factory Sealed Box.
  • Abt ships this product for free!
Audiofrog GS Series 4" Midrange Car Speaker

Audiofrog GS Series 4" Midrange Car Speaker

In Stock

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