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TOA DH-11B ลำโพงฮอร์นระบบเสียงประกาศตามสาย STRAIGHT HORN (FLANGE)
The DH-11B features a long horn which permits sounds to easily pass through and is ideal for providing public address information.
It is designed to be used in conjunction with a single driver unit, and has an internal anti-bird net to prevent insects and birds from getting into the unit.