Kv brand. According to relevant public information, kv6 audio is a German kv brand, and kv series speakers are one of the lightest professional speakers at present, designed by famous British audio experts. The bass of KV series active speakers is made of ferrite magnetic circuit material, with symmetrical magnetic circuit design, and the voice coil is made of new high-temperature resistant material, which is beneficial to power bearing and heat dissipation when high power is used. The treble is a compression drive unit.