Driver 1. Export to Pakistan ,Africa ,Europe ,America. 2. Passed ISO9001 ,CE ,ROSH . 3. Two workshop for producing . Driver5" Bullet tweeter25 oz magnet2" kpt voice coil60/90 watts maxImpedance : 8/16 ohmSensitivity: 132dB/W/MFrequency Response: 1.6-7KHZQ/C ISO9001TT PAYMENT: 30% IN ADVANCEMOQ:300 PCS High Quality Ahuja Driver units