ConstructionMono speakerStereo SpeakerStereo Speaker Built-in Class-D Power Amplifiers246 Drivers24 + passive radiator6 Tweeter1 x 25 mm2 x 19 mm2 x 19 mm Mid-Range--2 x 50 mm Woofer1 x 89 mm2 x 100 mm + 133 mm passive radiator2 x 165 mm Caratteristiche