PAIR OF FLOORSTANDING SPEAKERS. OFFICIAL WARRANTY. Frequency response : 26 Hz - 50 KHz. Impedance: 4 Ohm. Driver add-on : 1 1.1" (2.79 cm) 1" (15.24 cm) Graphene Nano-Tec Midrange 2" x 7" (17.78 cm) Graphene Nano-Tec Bass Sensitivity: 88 dB.
eBay