Characteristics and Interoperability With its 45 mm driver unit, the Fantech GS202 SONAR gives you high-resolution sound for the ideal gaming experience. The SONAR GS202 is a portable USB 2.0 speaker with 45mm driver unit and RGB illumination for mobile gaming and music. High-Resolution Audio With its 45 mm driver unit, the Gs202 SONAR gives you high-definition sound for the ideal gaming experience. IMPACT OF LIGHTNING The GS202 body is made of non-magnetic material, so you can place it in an office or other space without worrying about it magnetizing the display.