The SD-651 is designed to meet the performance criteria designated by UL. Its sensing chambers are sealed against back pressure air flow, dirt, and insects.
HN-A500I is a high efficient 500W Power/Booster amplifier provides audio signal amplification for public address and voice alarm system, It is reliable, efficient and light in weight.
The X-DA2250 provides amplification for audio signals delivered by high power loudspeakers connected to the X-618 PAVA system. It supports both balanced and unbalanced audio inputs, and can detect pow