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① Avoid placing in places directly exposed to sunlight, do not approach thermal radiation equipment such as stoves, heating pipes, etc., and do not place in damp areas.

② Before connecting the speaker to the amplifier, the power to the amplifier should be cut off to avoid damaging the speaker.

③ The connection with the amplifier's feeder should be secure and should not fall off when pulled, and the positive and negative polarities should not be connected incorrectly. The feed line connecting the speaker should be thick and not too long to avoid loss and damage to the damping. To violate the frequency response value of 0.5dB (0.75mm2 wire length of 9cm, 1.5mm2 wire length of 14m, 2.0mm2 wire length of 21m).

④ Attention should be paid to whether the impedance of the speaker is suitable for the recommended value of the amplifier

⑤ Do not exceed the rated power for use. Otherwise, the sound quality will deteriorate and even damage the speaker.

⑥ The outer shell should be wiped with a soft and dry cotton cloth, and should not be coated with furniture wax or benzene or alcohol substances.

⑦ The dust on the surface of the speaker can only be removed with a soft brush and cannot be vacuumed.

⑧ The speaker should be placed on a sturdy and sturdy floor to avoid bass attenuation. Do not place the speaker too close to the wall.

⑨ Do not place the speaker too close to the turntable to avoid producing sound reactions and causing whistling.

⑩ If there is a medium and high tone level adjustment, it can be adjusted according to the listening requirements to ensure satisfactory playback.

Article source: LED Bluetooth audio system http://www.sizhuo118.net/