Bass Reproduction This sub offers superb bass reproduction using high quality materials. When using the right enclosure and amp, you could be hitting sub 35Hz! Construction This sub uses a strong IMPP composite cone which is far more dense than traditional paper cones allowing the sub to endure more power. The double Ferrite magnet keeps the sub flexing and pushing bass waves out to a higher standard. Power output This sub is build for a perfect balance of SPL and SQ. So it offers a humble 300W RMS power output and 1200W Peak Power output. Size 25 cm (10")