The titanium series by Ground Zero is the next in line after the iridium series. It brings several improvements over the iridium series such as higher speaker efficiency, more advanced crossovers, and better overall sound quality.
 
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2-way component speaker system
	
HQPP cone with 3D structure
	
Rubber surround
	
Euro-DIN basket
	
Resonance free steel basket
	
High efficient 3 ohms version
	
19 mm / 0.75″ silk dome tweeter
	
Ferrite motor
	
6/12 dB/oct passive crossover
	
Incl. protection grill
 
Specifications:
	
		
			
Model
			
			
2-way component speakers
			
		
		
			
Diameter
			
			
165 mm / 6.50"
			
		
		
			
Power Handling (RMS/max.)
			
			
100 / 150 Watts
			
		
		
			
Impedance
			
			
3 ohms
			
		
		
			
Efficiency
			
			
90 dB
			
		
		
			
Frequency Response
			
			
50 Hz – 22 kHz
			
		
		
			
Tweeter
			
			
19 mm / 0.75" silk dome
			
		
		
			
Membrane Layout
			
			
HQPP cone with 3D structure
			
		
		
			
Mounting Ø
			
			
142.5 mm / 5.61"
			
		
		
			
Mounting Depth
			
			
68 mm / 2.68"
			
		
		
			
Crossover
			
			
6 & 12 dB/Oct
			
		
		
			
Crossover Frequency
			
			
5500 Hz