Drive power of Duoo XD-05 became little lower after the install of V5i-D, overall sound quality is suit for what I am expected (human sound little bit backward, better sound atmosphere.)
Duoo XD-05 PLUS with Burson V5i Dual Opamp
Drive power of Duoo XD-05 became little lower after the install of V5i-D, overall sound quality is suit for what I am expected (human sound little bit backward, better sound atmosphere.)