Ground Zero GZTF 20T Category:   » Audio. video. a photo » Car audio-video equipment » Autoacoustics Model: GZTF 20T Manufacturer: Ground Zero A type       coaxial speaker Size (cm)       20 Number of bands       3 Sensitivity (dB)       92 Impedance (Ohms)       4.00 Rated power (W)       140 Max power (W)       200 Description:

Ground Zero GZTF 20T