Using this Daichi tweeter speaker is quite simple. First, find a suitable place for mounting. Make sure the mounting area has a diagonal of 182mm to fit the speaker properly. Connect it to your PA system or other compatible devices like IS1200 or IS15 - 150 without the need for a crossover. When using, keep in mind that the power output should not exceed the 75W maximum to avoid damaging the speaker. For maintenance, you can use a soft, dry cloth to gently wipe the surface of the speaker. Don't expose it to excessive moisture or extreme temperatures. Check the connections regularly to ensure a stable sound output.