Guangzhou DSPPA Audio Co., Ltd.
Add: NO.1 Xiahe Road, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China
Tel: +86 020 37166520
LinkedIn: Guangzhou DSPPA
The EN 54 Fire detection and fire alarm systems is a mandatory standard of European Union market that specifies requirements and laboratory test for every component of fire detection and fire alarm system. The requirements related with voice evacuation system including EN54-4 (Power supply...Send InquiryChat Now