Klipsch RP-504C II Manuel D'utilisation page 8

CARE AND CLEANING
The only thing you should ever need to do to your speakers is dust
them occasionally. Never apply any abrasive or solvent-based cleaner
or any harsh detergent. You can clean the grilles with the brush
attachment of a vacuum cleaner.
PRODUCT REGISTRATION
Register your product online at www.klipsch.com/register
• Keep up-to-date on new products and promotions.
• Your personal information will never be resold.
• This registration information is not used for warranty purposes.
Please retain your receipt for warranty claims.