Using your Daichi 2.5-Inch Cone Tweeter Speaker is easy. First, make sure your audio system is turned off. Then, carefully connect the speaker wires to the appropriate terminals on the speaker and your audio device. Once connected, you can turn on your audio system and start enjoying high - quality sound. When it comes to maintenance, keep the speaker in a clean and dry place. Avoid exposing it to excessive moisture or dust. If there's some dust on the speaker, you can gently use a soft, dry cloth to wipe it off. Also, be careful not to apply too much force on the cone as it may damage the speaker. With proper use and care, your speaker will serve you well for a long time.