তোয়া ভয়েস ইভ্যাকুয়েশন সিস্টেম
তোয়া ভয়েস ইভ্যাকুয়েশন সিস্টেম Voice alarm systems VM-3000 Series Cost-effective system for small to medium sized applications. The VM-3000 is a cost-effective integrated public address and voice alarm system designed to fulfill the EN 54-16 European standard for voice alarm and also engineered with powerful digital signal processor (DSP),Read More →