The overall performance of the IW300 is no less than that of the IW600. It follows the 5.25-inch unit that Ken Kreiesl loves. The design is more in line with the traditional in-wall speakers. Two composite paper diaphragm basses are responsible for low frequencies, and one tweeter is responsible for high frequencies above 3kHz. 6mm The aluminum alloy anti-vibration front baffle does not make any cost compromises, ensuring that the sound has enough explosive power and establishes a large enough sound field.