Our 8" dual cone air suspension speaker is heavy duty. It is ideal for background sound and paging. It has a 10 oz. magnet with an RMS of 20 Watt at 8 Ohm. It includes holes for transformer mounting. This model is also available in a full range speaker with a 6 oz. magnet (G8CF6WX) and with a 10 oz. magnet (G8CF10WX).