At Audiofrog, they are committed to designing and building the best products possible.




Audiofrog GB25

2-1/2” (63 MM)  MID-RANGE


The GB25 is a meticulously crafted midrange driver, specifically designed to cater to unique applications in 3-way systems.

Its exceptional performance is optimized for enclosures as compact as 0.2 litres (measuring 2-1/2” x 2-1/2” x 2”). This compact size allows for versatile installation options, such as seamlessly integrating it into a custom A-pillar or utilizing it as an infinite baffle in a door panel or dashboard.

One of the standout features of the Audiofrog GB25 is its compatibility with various installations. Whether you desire a discreet blend or a striking highlight, the Audiofrog GB25 comes equipped with a grille and installation kit that can be effortlessly customized to suit your preferences. This ensures that the speaker seamlessly integrates into any setup, enhancing both the aesthetics and functionality of your audio system.

The Audiofrog GB25 is part of our esteemed GB Series, renowned for its exceptional midrange speakers. Crafted with utmost precision and attention to detail, these speakers deliver unparalleled audio quality and performance. With the Audiofrog GB25, you can expect nothing less than a truly immersive and captivating listening experience.

In conclusion, the Audiofrog GB25 is a remarkable midrange driver that combines cutting-edge technology with versatile installation options. Its compact size, coupled with the inclusion of a grille and installation kit, allows for seamless integration into any setup.

Elevate your audio system to new heights with the Audiofrog GB25 from their esteemed GB Series.

  • Treated Paper Cone
  • 1” (25 mm) Voice Coil on Fiberglass Former
  • Milled Flat Single-Layer CCAL Voice Coil
  • Copper Inductance- and Distortion-Reducing Pole Piece Cap
  • Neodymium Motor with Bucking Magnet
  • Flat, Progressive Nomex® Spider
  • Nitrile Butadiene Rubber Surround
  • Proprietary Vented Cast Aluminum Basket
  • Chrome-Plated Cast Zinc Motor Housing
  • Screw Terminals
  • All-Metal Grille and Mounting Kits Included
  • Hex Screws and Tools Included
  • Removable and Paintable Grille
  • Rub-On Grille Logos Included for Custom Installation
  • Nominal Impedance: 4 Ω
  • RMS Power Handling: 100 W (with recommended crossover)
  • Peak Power Handling: 300 W (with recommended crossover)
  • Frequency Response (-3 dB): 150 Hz – 16 kHz
  • Sensitivity (2.83 V/1 M): 86 dB
  • Recommended Amplifier RMS Power Range: 20 W – 100 W
  • Recommended High Pass Filter Frequency and Slope: ≥ 200 Hz, ≥ 12 dB/oct
  • Recommended Low Pass Filter Frequency and Slope: ≤ 12 kHz, ≥ 12 dB/oct


Frequency Response & Impedance:

Thiele & Small Parameters:

  • Revc: 2.3 Ω
  • Levc@1kHz: 0.06 mH
  • Sd: 26.4 cm²
  • Mmd: 3.34 g
  • Mms: 3.42 g
  • Cms: 256 µM/N
  • Vas: 0.26 litres
  • Fs: 170 Hz
  • BL: 3.4 TM
  • Qms: 4.8
  • Qes: 0.75
  • Qts: 0.65
  • Xmax (1-way linear): 4 mm (3/16”)
  • Basket Displacement: 0.06 litres (0.002ft³)

Applications and Systems

Active Systems:

  • GB10 and GB25: Perfect for A-pillars, doors or a centre channel
  • GB10 and GB40: Perfect for A-pillars, doors or a centre channel
  • GB10 and GB60: Great two-way system for factory locations
  • GB10, GB25 and GB60: The ultimate active system for A-pillars with door or kick panel-mounted midbass. Great for doors when only a small midrange driver will fit between the midbass and the tweeter.
  • GB10, GB40 and GB60: The ultimate active system for door panel installation. 

Passive Systems with dedicated crossovers:

  • GB10, GB40 and GB410C: Perfect for doors or a centre channel with a passive crossover. The shallow design is great for BMW doors.
  • GB10, GB60 and GB610C: Great for standard OE locations or for kick panels. 

In combination systems with active and passive crossovers:

  • GB10, GB40, GB410C and GB60: The ultimate system for doors when a small tweeter is required using a passive crossover between mid and tweeter and an active crossover between midbass and midrange


There are no reviews yet.

Be the first to review “Audiofrog GB25 2-1/2” (63 MM)  MID-RANGE AUDIOPHILE-GRADE AUTOMOTIVE LOUDSPEAKER”

Your email address will not be published. Required fields are marked *

related products that fit your ride
Kicker PSM34
Echomaster CA-FLTR Universal Camera Power Filter