... the manufactory price Features:1,Different length are available,2,music,speaker stands,3,Conductor :Oxygen free copper,Tinned copper,CCA21 ... 6.8mmX61 square:. 2*0.12mm*45,1.5square: 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, ...