2-way coaxial system, 4" / 100 mm woofer with injected PP-cone and integrated 0.5" / 13 mm tweeter with neodymium magnet

4 inch / 100 mm woofer with low resonant cones made from injected polypropylene and unique HELIX logos 0.5 inch / 13 mm mylar tweeter with neodymium magnet for crispy and clear treble response Individual HELIX design 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 Grille included