[. . . ] Supplying power greater than its rated input power of the subwoofer will cause noise and/or breakage. [. . . ] Note: The temperature of a speaker rises when continuously using speaker by a large volume. Peel off the covering sheet from the spacer, and attach the spacer on the back of the speaker flange so that the flange is completely covered. Suffocation -- After taking the unit out of the polyethylene bag, be sure to dispose of the polyethylene bag out of the reach of children. Otherwise, they may play with the bag, which could cause hazard of suffocation. While the listening volume is set to a high level, do not load or eject a disc or cassette tape or operate the selector and power switches of the amplifier. Information on Disposal of Old Electrical and Electronic Equipment (applicable for EU countries that have adopted separate waste collection systems) Products with the symbol (crossed-out wheeled bin) cannot be disposed as household waste. Old electrical and electronic equipment should be recycled at a facility capable of handling these items and their waste byproducts. contact your local authority for details in locating a recycle facility nearest to you. [. . . ] contact your local authority for details in locating a recycle facility nearest to you. [. . . ]