Truly excellent speakers, a high-quality speaker set. High-end level. Class D ICE POWER AMPLIFIER. This amazing Beolab 9 type 6217 set will be shipped worldwide Truly excellent speakers, a high-quality speaker set. High-end level. Class D ICE POWER AMPLIFIER. To really enjoy music at home, every tone from the deepest bass tone to the highest musical note are reproduced very clearly by these speakers. Wherever you are sitting or standing. Only then can music move you to tears or make you burst out laughing. The true music lover will recognize its sublime quality from the first note onward. Due to the Acoustic Lens Technology, you will not miss a note. Built-in amplifiers and subwoofer. The speaker can be connected to all Bang & Olufsen BeoSound BeoMaster BeoVision audio, vision and link systems, and also to non-B&O systems. It can be used via line to wirelessly stream via Bluetooth or Wi-Fi internet from tablet of phone. It can also be connected to all TVs for a sublime sound experience. SPEAKERS ARE TRULY great and very neat,, see photos. EXCELLENT DESIGN AND SOUND. BEAUTIFUL COLOR GREY FOR THE ENTHUSIAST ICE POWER class D amplifiers 700 watts per speaker. Power amplifier, bass 500W, class D ICE power Power amplifier, midrange 100W, class AB Power amplifier, treble 100W, class AB Thermal protection of all drivers. ABL system protects the bass unit against mechanical damage. Power supply Automatic voltage adaptation 100-120Vac or 190-240Vac To really enjoy music at home, every tone from the deepest bass tone to the highest musical note are reproduced very clearly by these speakers. Wherever you are sitting or standing. Only then can music move you to tears or make you burst out laughing. The true music lover will recognize its sublime quality from the first note onward. Due to the Acoustic Lens Technology, you will not miss a note. Built-in amplifiers and subwoofer.