Sound apparatus Suppliers

Reflection of Sound Apparatus demonstrates that angle of incidence and reflection are equal for any setting. Iprotector is screen printed on a superior quality laminated board. It incorporates a protector printed on a wooden board and two independent arms containing 12” long stainless steel pipes. One arm is set at any arbitrary angle and other is adjusted till one listens to the maximum sound. At the position of maximum sound to angles will be equal as indicating by the “D” reading.