... 4,Supply the manufactory price Features:1,Different length are available,2,music,speaker stands,3,Conductor : ... 1.5square: 2*0.12mm*58, 2square: 2*0.12mm*100 3square: 2*0.12mm*158Application:Used to connect power amplifier and loudspeaker equipment,broadcast system ... to transmit audio frequency signal, which is magnified by power amplifier.