Logitech Z906THX 5.1 Digital Surround Sound, 500w RMS

Logitech Australia

Audio performance
Z906 - 500 watts (RMS)
Z5500 - 505 watts (RMS)




Digital Inputs
Z906 - 3
Z5500 - 2




Dolby Digital/DTS decoding
Both - Yes




Satellite Design
Z906 vs Z5500 - the Z906 is a fully enclosed to decrease port noise distortion at high frequencies. Crossover is more stable. Drivers use newer, more rigid baskets for greater reliability under high power situations.




Power Supply
Z906 - Regulated: consistently delivers full power regardless of AC power of material being played. Non collapsing.

Z5500 - Unregulated: output power fluctuates with variations in AC power. Heavy and sustained bass can reduce total power.




Power draw/energy efficiency
Z906 - Less than 400 watts at full power

Z5500 - 800 watts at full power




Subwoofer enclosure
Z906 vs Z5500 - Reduced size by 30% of Z-5500’s subwoofer while still exceeding THX’s rigid standards for performance




Amplifiers
Improvement in Class-D amplifier electronic design reproduces undistorted peaks in the audio signals improving acoustic performance



Standy Power
Z906 - < 1 watt

Z5500 - 39 watts



Shipping weight - Z906 reduced by 29%


Packaging - Z906 reduced by 32%