https://www.sinbosen.com/pid18449404/KA212-dual-12-inch-line-array-speaker-passive-bi-amp.htm
KA212 dual 12 inch line array speaker passive bi-amp | LINE ARRAY SPEAKER | Sinbosen| Audio sound...
KA212 dual 12 inch line array speaker passive bi-amp from Brand:Sinbosen| Audio sound system manufacturer;Model:KA212;
line array speaker