The iridium speaker series is the entrance of great sound by Ground Zero. The line is focused on providing the end-user with fantastic value, and easy installation while increasing the sound quality and performance of your car's sound system. 
 
More Info:
 
2-way coaxial speaker system
Coated paper cone
Rubber surround
Resonance free steel basket
Universal 4 ohms version
Ferrite motor
6 dB/oct high pass filter
Incl. protection grill
Shallow mounting depth
 
Specifications:
4 ohm
Frequency response 70 Hz – 20 kHz
Efficiency (SPL) 90 dB
Power handling (RMS) 60 Watts
Mounting depth 37 mm / 1.46”