Check the listing for details. Logitech Z506 Replacement Speaker - Rear Left Channel (Blue Cable Connector). Condition: Used. Listed at 12.99 USD. LOGITECH Z506 REPLACEMENT REAR LEFT SPEAKER(Blue Cable Connector) Guaranteed to Work! Played your music a little too loud and blew out the rear left channel speaker in your Logitech Z506 Speaker System? Maybe you cracked or broke the stand, or your dog or little brother decided to use your speaker as a chew toy? No worries! Now you can have your sweet jams up and bumping again in no time with a replacement rear left Channel Speaker for your Logitech Z506 Speaker System This auction is for a used, seller refurbished replacement Rear Left Channel Speaker (Blue Wire Connector) for the Logitech Z506 Speaker System. This part is used and it can be used as a replacement speaker or for parts on the Logitech Z506 Speaker System. This item has been expertly refurbished by us and guaranteed to work! These items may contain cosmetic blemishes such as scratches, rubs, etc.