Steg Master Stroke MGL3 3.5" wideband speaker front with grille

Steg Master Stroke MGL3 3.5" wideband speaker front with grilles

Steg Master Stroke MGL3 3.5" wideband speaker front without grille

Steg Master Stroke MGL3 3.5" wideband speaker with grille

Steg MGL3 Installation Manual and Specifications

Steg Master Stroke MGL3 - 3.5" Wideband Speaker - Pair

The Steg MGL3 is a compact 3.5 inch wideband driver designed for high-efficiency active systems in both OEM and custom installations. With a specially treated metal cone, neodymium motor, and die-cast aluminum chassis, it delivers smooth, controlled output from 145 Hz to 15 kHz. Ideal for factory dash replacements or space-limited custom applications.
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Steg MGL3 - 3.5" Wideband Speaker

The Steg MGL3 is a compact 3.5 inch wideband driver engineered for active car audio systems where space is limited but performance is still a priority. Whether you’re upgrading factory 3.5 inch dash speakers or integrating into a custom front stage, the MGL3 delivers detailed and efficient wideband performance in a highly compact form.

Featuring a specially treated metal cone, high-grade neodymium motor, and a 1 inch high-efficiency voice coil, the MGL3 is built for smooth, extended frequency response from 145 Hz to 15 kHz. It offers excellent sensitivity (87 dB @ 2.83V/1M) and transient response, making it ideal for reproducing midrange and upper-frequency content with clarity and control.

The vented die-cast aluminum chassis adds rigidity while improving thermal handling and airflow, and the CNC-finished motor structure ensures long-term reliability and consistent performance. With a mounting depth of just 40 mm and a small 73 mm installation diameter, the MGL3 is a perfect fit for tight OEM locations or space-conscious custom builds.

The Steg MGL3 offers a refined solution for those who want wideband response and strong midrange clarity without the footprint of larger drivers—making it a top choice for both OEM integration and high-end compact system designs.

Size: 3.5″ (8.4 cm)
Impedance: 4 ohms
Power Handling: 30W RMS
Frequency Range: 145 Hz – 15,000 Hz
Sensitivity: 87 dB

QTS: 0.594
FS (Resonant Frequency): 145 Hz
Outer Diameter: 92.3 mm
Installation Diameter: 73 mm
Mounting Depth: 40 mm