Ground Zero GZC 165-30A

Model 2-way component speakers Diameter 165 mm / 6.50″ Power handling (RMS/max.) 140 / 220 Watts Impedance 4 Ohm Efficiency 88 dB Frequency Response 40 Hz – 24 kHz Tweeter GZC T28SQ Outer Ø 48 mm / 2.13″ Midwoofer GZC K165 Outer Ø 165 mm / 6.5″ Mounting Ø 144 mm / 5.67″ Mounting depth 69 mm / 2.72″ Crossover Variable 2-way Crossover frequency 4500 Hz