Logitech Z-680 THX 5.1 Center Channel Speaker OEM Replacement Tested Working

Logitech Z-680 THX 5.1 Control Pod Volume Unit Only Tested OEM

Logitech Z-680 5.1 THX Speakers Z680 Speaker Computer Multimedia Replacement

Logitech Z506 Surround Sound 5.1 Home Theater PC Speaker System Subwoofer Tested

Logitech Z-680 THX 5.1 Control Pod Controller Unit Only - Untested No Sub

Logitech Z-680 THX 5.1 Surround Sound Single Left / Right Speaker - Tested

Logitech Z-680 THX Center Channel Speaker Replacement Tested Working

Logitech Z-5500 Satellite Speaker For 5.1 THX sound system replacement- tested