[. . . ] ⷠIn order to prevent damage to the speaker system resulting from input overload, please observe the following precautions: -Be sure to turn the connected devices off and remove the power cord from the wall outlet beforehand when changing the connection or installation method. -Do not use excessive amplifier volume if using a tone control to emphasize high or low frequencies. [. . . ] To prevent the risk of electric shock when connecting or disconnecting the speaker cables, disconnect the power cord before touching any uninsulated parts. For best results the speakers should be positioned at or above ear level. Depending upon your room layout and preferences, the left and right rear speakers should be positioned on the side walls just the rear of the listening position, or on the walls. This is a standard multichannel surround sound speaker setup for optimal 5. Connect the striped speaker cord to the red (+) terminal and the other cord to the black (­) terminal as shown below (for more details, refer to your amplifier instruction manual). Listening position Surround left Surround right For front speakers: Unscrew the terminals on the speaker and insert the striped speaker cord into the red (+) terminal and the other cord into the black (­) terminal as shown below. If the front, center and surround speakers are placed on a hard surface, such as wood or tile place four non-skid pads on the bottom flat surface of the speakers. For all other speakers: To connect, press the lever and insert the striped speaker cord into the red (+) terminal and the other cord into the black (­) terminal as shown below. Before connecting the speakers, please read the operating instructions supplied with your amplifier to select the speaker setting of amplifier : · Remember that the speaker system is heavy and that its weight could cause the screws to work loose, or the wall material to fail to support it, resulting in the speaker falling. Make sure that the wall you intend to mount the speakers on is strong enough to support them. Use screws suitable for the wall material and support the weight of the speaker. When the cabinet is very dirty, clean with a soft cloth dipped in some neutral cleanser diluted five or six times with water, and then wipe again with a dry cloth. Never use thinners, benzine, insecticide sprays and other chemicals on or near the cabinets, since these will corrode the surfaces. To attach the grille, line up the holes on the speaker with the projections on the grille firmly. [. . . ] There is a separate collection system for used electronic products in accordance with legislation that requires proper treatment, recovery and recycling. Private households in the member states of the EU, in Switzerland and Norway may return their used electronic products free of charge to designated collection facilities or to a retailer (if you purchase a similar new one). [. . . ]