Ground Zero GZUF 60SQ-A

ModelSound quality full range speaker Power Handling (RMS/max.)50 / 80 Watts Impedance4 Ohms Efficiency84 dB Frequency Response300 Hz – 20 kHz Voice Coil25 mm / 1″ Membran LayoutAnodized aluminum Magnet materialNeodymium Mounting Ø61 mm / 2.40″ Resonance Frequency (Fs)150 Hz.