The Hercules S100B speaker adapter allows your speaker to easily fit different sized speaker holes - auto expansion to fit from 35mm to 40mm diameter.

Priced each.

• Quik-N-EZ Adaptor
• Automatically expands from 1.38” (35 mm) to 1.57” (40mm) to fit the speaker bottom holes.
• Weight: 0.75 kg (1.7 lbs.)
• Folded size: 170x 80mm (6.7x3.1”)
• Load capacity: 50 kg (110.2 lbs.)