HELIX F 6X 6,5 #39; #39; 2-Way Coaxial Speaker Brand spesialis sound quality Entry level dengan harga terjangkau Features Stylish amp; elegant HELIX design with black matte cone finish and black shiny HELIX-logo 6.5” / 165 mm woofer with novel, low resonant cone made of injected polypropylene with embedded carbon fibers 0.52” / 13 mm Mylar tweeter with neodymium magnet for crispy and clear treble response Individual HELIX basket with additional ventilation holes for better voice coil cooling and high power handling Solid rubber magnet protection ring with HELIX-logo Integrated crossover with 6 dB slope Specification Power RMS / Max. : 60 / 120 Watts Frequency response : 60 Hz - 22,000 Hz Impedance : 3 Ω Efficiency 1 W / 1 m : 91 dB Crossover : Integrated, 6 dB slope Outer Diameter : 165 mm / 6.50 #34; Installation Diameter : 142 mm / 5.59 #34; Installation Depth : 58 mm / 2.30 #34;