MS-1可連接帶有蓮花插座輸入接口的前級放大器，通過本設備將吉他原聲進行無損還原后，再連接前級放大器輸出至音箱;適用于音孔大小90mm~105mm的民謠吉他

MS-1 can be amplified the acoustic through the RCA by the Preamp, and go through the amp without any loss. Fits all standard soundhole 3.54(90mm) to 4.13(105mm).