• The basket or frame must be designed for rigidity to avoid deformation, which will adjustment the magnetic conditions in the magnet gap, and could even ground the call coil to shine against the walls of the magnetic gap

• Baskets are chiefly cast or stamped metal, although molded plastic baskets are becoming common, especially for inexpensive drivers
• The frame also plays a considerable role in conducting sultriness away from the coil.

A subwoofer is a woofer driver used only for the lowest chip of the audio spectrum: typically below 100-120 Hz. Because the intended ambit of frequencies in these is limited, subwoofer entity design is especially simpler in many respects than for conventional loudspeakers, often consisting of a individual subwoofer driver enclosed in a suitable cabinet Wireless Speakers or enclosure.