Visaton k 40 50 sq square waterproof mini speakers 8 ohm 4 5cm visaton 2897 p a waterproof 5cm 2in square miniature speaker from visaton featuring a plastic diaphragm and square metal basket with 4 mounting holes and foam gasket its compact dimensions make it suitable for signal output in machines and other equipment where space is at a premium ip protected on front side when built into a sealed enclosure making it suitable for outside and harsh environments p visaton 2897 k 50 sq