[. . . ] With normal use, wiping with a dry cloth should be sufficient to keep the cabinet clean. If necessary, clean with a cloth dipped in a neutral cleanser diluted five or six times with water, and wrung out well. Never use thinners, benzine, insecticide sprays or other chemicals on or near this unit since these will corrode the surfaces. [. . . ] Ideally, the tweeters should be at about ear level when seated in your listening position. We recommend using the CP-31B speaker stand for optimal sound and stability. If you choose to use the CP-31B speaker stand, make sure you secure it with the screws provided. (for more details , refer to the operating instructions of CP-31B) · This unit has two screw holes on the bottom panel. These holes are meant for joint use with speaker brackets and speaker stands; speaker brackets are commercially available and can be used to mount the speakers on a wall. When choosing a speaker bracket, make sure that it can hold at least 2. Pass two reinforced strings through the safety metal, and fasten the speaker to the wall as shown above. If you mount the speakers on the wall or ceiling, first make sure that the mounting surface can bear at least 2. If you're unsure of the load capability, please seek professional advice. Note that depending on the location, the pads may not provide fully sufficient traction to prevent slipping, so care should be taken not to install the speakers in conditions where they may be prone to side. This speaker does not include speaker cables used for connecting to an amplifier. Loosen the knobs on the input terminals and insert the speaker cable wires into each of the terminal post holes, then tighten the knobs. It is recommended that this speaker system be used with the grille net attached, but it can be removed if desired. To remove, follow these instructions: 1 To remove the grille, place your fingers at the outside of the grille toward the bottom and pull gently outward. 2 To reattach the grille, hold the speaker grille with the triangular symbol pointing upward, then align the four pins on the back side of the grille with the holes in the speaker and press in firmly. 3 Connect the other ends of the cables to the amp's speaker output terminals (for more details, refer to your amp instrucion manual). [. . . ] Slowly increase the sound until you can hear it comfortably and clearly, and without distortion. Once you have established a comfortable sound level: · set the dial and leave it there. Taking a minute to do this now will help to prevent hearing damage or loss in the future. [. . . ]