Visaton HTH 8.7, Tweeter, Power rating: 200 W via crossover 12 dB/oct. from min. 5000 Hz 8 Ohm, 105 dB (1W / 1m), Coil diameter: 25 mm, Out horn width: 195 mm, Height: 155 mm, Cutout dimensions: 165 x 125 mm