KM501 microphone amplifier with high-grade aluminum alloy shell， the body and the front and rear panels using oxide and sandblasting process， the appearance of fine and generous.K-MIC using imported professional reverb chips， circuit boards using leading full immersion gold circuit design to ensure 100% quality clearance， double panel design， automatic completion of the placement machine zero error. k-mic to ensure that every part of quality clearance， using advanced skeleton inductor design， microphone amplifier sound clear and soft. 1， imported professional reverb chip2， dual microphone input Double Choir3， leading full immersion gold circuit design4， advanced skeleton inductor design5， support free drive design the perfect sound6， using the most high-grade aluminum pack