The horn is all frequency effect, the bass is very strong, the equivalent of traditional loudspeaker 4 inch bass effect, with the other with the size of the traditional speakers, bass is strong, big power.
The end of the line with red mark for the positive, connect the audio line, with amplifier is ok.
Diameter: 50mm * 30mm
Impedance/Power: 4ohm , 25W
1 x Speaker
Retail or Wholesale is up to you, Welcome again !