IP PA System Bangladesh ITC IP Network Public Address System IP PA System Bangladesh TRIMATRIK MULTIMEDIA Corporate Office: House#01 (Ground Floor), Road#20/B, Sector#04, Uttara, Dhaka-1230. Hotline: 0185-3330344, 01785-777722 Tel: 02-48955951 Support: 09611677432, 0185-3330349 E-mail: info@trimatrikbd.com Web: www.trimatrikbd.com