Power Master, 7 Outputs

 Shenzhen Grand Technology Co. Ltd. is dedicated to the research and development of high quality musical instruments.
 The current product range includes custom electric guitar, bass, acoustic guitar, high-end handmade guitar amp, bass amp, pedal, drums, upright piano, acoustic piano, arylic glass piano, baby 152 piano, digital piano series, keyboard MIDI, live sound, DJ equipment, accessories.