ลำโพงเพดาน  ยี่ห้อ QSC รุ่น AC-C4T-nb

• High quality 4.5-inch full-range transducer provides exceptional clarity through the critical voice range.
• Low-saturation 70V/100V transformers with 8-ohm bypass.
• 4-pole Euroblock connector for easy system wiring.
• White (RAL 9010) with UV inhibitors to match complementing QSC product families.
• Effective frequency range (2)    :  62 Hz – 18 kHz
• Rated Coverage(3)  : 140° conical
• Directivity Factor     : 4
• Directivity Index [dB]   : 6
• Sensitivity (4)   :  93 dB
• Maximum continuous SPL (5)   :   101 dB
• Maximum peak SPL (5)  :  107 dB
• Baffle material  :  ABS
• Grille material  :  Powder coated steel
• Cutout Dimensions      :   Ø 178 mm [Ø 7-inch]
• Net weight    :  1.2 kg [2.6 lb]
• Product dimensions (Diameter x Height)   :   Ø 206 x 95 mm [Ø 8.11 x 3.75-inch]
• Shipping weight   :   5.9 kg [13.1 lb] (packs of 4)
• Shipping dimensions (H x W x D)   :  254 × 324 × 476 mm [10 × 12.75 × 18.75-inch] (packs of 4)