Ground Zero German company producing and developing speakers for your car since 1975.

The HERTZ brand was created in 1998.

The HERTZ brand was created in 1998.

The HERTZ brand was created in 1998.

Power: RMS 70W / MAX 110W Frequency range: 60 Hz - 20 kHz Impedance: 4 Ω Sensitivity: 91 dB Diameter: 165 mm Mounting diameter: 142.

Power: RMS 50W / MAX 90W Frequency range: 80 Hz - 20 kHz Impedance: 4 Ω Sensitivity: 89 dB Diameter: 10 cm Mounting diameter: 93 mm Installation depth: 30 mm TECHNICAL DATA Voice coil of midwoofer or midrange: 25 mm / 1" Cone of midwoofer or midrange: Coated paper cone Phaseplug of midwoofer or midrange: Cloth Basket of midwoofer or midrange: Steel Magnet of midwoofer or midrange: Ferrit Voice coil of tweeter: 19 mm / 0.

RMS Power 30 W / Max 60 W Sensitivity 92 dB SPL Frequency response 130 - 21,000 Hz Impedance 4 Ω Mounting hole diameter 81 mm TECHNICAL DATA Component 2-way Size: Voice coil 20 mm, mid-low frequency: 87 mm, high frequency: 15 mm speakers Outer diameter 87 mm Magnet size 60 x 24 x 8 mm Mounting depth 34 mm Magnets: High-density flux ferrite, Neodymium Cone: Water-repellent pressed paper User Manual (EN) Technical Data (EN)  .

RMS Power 150 W / Max 300 W Sensitivity 93 dB SPL Frequency Response 40 - 21,000 Hz Impedance 4 Ω Component 3-way Mounting hole diameter 238 x 167 mm TECHNICAL SPECIFICATIONS Component 3-way Size: Voice coil 25 mm, Mid-woofer: 254 x 180 mm, Tweeter: 60 mm, Super tweeter: 15 mm speakers Overall diameter 254 x 181 mm Magnet size 90 x 32 x 17 mm Mounting depth 84 mm Magnets: High density flux ferrite, Neodymium Cone: Water repellent pressed paper User Manual (EN) Technical Data (EN) .

Power: RMS 90 W / MAX 180 W Frequency Response: 45 - 21,000 Hz Sensitivity: 93 dB Impedance: 4 Ω Mounting Depth: 77 mm Mounting Hole Diameter: 224 x 153 mm Component: 3-way DESCRIPTION An authentic 3-way coax capable of reproducing a wide frequency spectrum.

RMS Power 60 W / Max 120 W Sensitivity 93 dB SPL Impedance 4 Ω Component 2-way Mounting hole diameter 182 x 127 mm TECHNICAL SPECIFICATIONS Frequency response 60 - 21,000 Hz Size: Voice coil 25 mm, Mid-woofer: 220 x 141 mm, Tweeters: 15 mm speakers Outer diameter 220 x 141 mm Magnet size 80 x 40 x 15 mm Mounting depth 59 mm Magnets High-density flux ferrite, Neodymium Cone Water-repellent pressed paper User Manual (EN) Technical Data (EN).

Sensitivity 93 dB SPL Power RMS 40 W / Max 80 W Frequency response 65 - 21,000 Hz Impedance 4 Ω Mounting depth 52 mm Component 2-way TECHNICAL DATA Model Dieci DCX 130.

Power: Rms 40W / Max 80W Resistance: 4 Ohms Frequency range: 80 - 23,000 Hz Sensitivity: 89.