Scheme 3 ways, 3 loudspeaker bass-reflex scheme, and a bookshelf type Using unit For low-pass: 30cm aperture cone type For mid ranges: 13cm aperture cone type For high regions: 2.5cm aperture dome shape Allowable input: 100W Impedance: 8ohms Cross over frequency: 1100Hz, 3700Hz Output sound pressure level: 89dB/W/m Level control Succession good transformation Dimensions: Width 362x height 622x depth of 333mm Weight: 25kg