[{"images":[{"format":"300Wx300H","url":"https://resources.keenfinity.tech/public/images/large/ProductPhoto_Web_all_14896562059.png","srcsetWidth":300,"isVideo":false}],"thumbnails":[{"format":"96Wx96H","url":"https://resources.keenfinity.tech/public/images/small/ProductPhoto_Web_all_14896562059.png","srcsetWidth":96,"isVideo":false}],"zooms":[{"format":"515Wx515H","url":"https://resources.keenfinity.tech/public/images/xlarge/ProductPhoto_Web_all_14896562059.png","srcsetWidth":515,"isVideo":false}]}][]揚聲器 DC 阻絕板
Provides DC-free tap-off for 70/100 V loudspeakers without an internal DC-blocking capacitor
Can be used with different loudspeaker line isolation systems, such as PRA-LIM / PRA-LID, to create redundant loudspeaker loops
Line isolator systems may reduce cost of voice alarm installations by largely eliminating expensive E30 cabling
Separate connectors for insertion into an in/out loop and tap-off
Standard size board fits in multiple Bosch loudspeakers for voice alarm