Car Horn Hifi 4/5/6.5 Inch Coaxial Speakers Universal Car Door Stereo Full Range Audio Sound Stereo Music Auto Speaker Horn

-Please confirm the specifications before purchasing, so as not to cause unnecessary trouble. -Incorrect connection during the reconfiguration process can cause noise and buzzing. -The actual power of the speaker itself is not very large, and the loud speaker will produce noise and hum. -There is no power amplifier, the host sound is not good, the power is not good, the loudspeaker is loud and there will be noise and buzzing..syi