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

Logitech Z-680 900546-0246A THX Center Speaker OEM - Tested

Logitech Z-680 900852-0326A THX Center Speaker W/ Wire Tested No Grill

Logitech Z-680 THX Center Speakers Only Satellite

Logitech Z-680 THX Center Speaker with Grille

Logitech Z-680 THX Center Channel Speaker Replacement Tested Working

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

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