Custom order options:
Custom order the 6.3MM output replace the 4 pins headphone output .
The C-2 default had one 6.3MM and one 4
pins headphone output sockets, if users don't want the 4 pins
headphone output socket can custom order replay by another 6.3MM
socket , it need 1 day shipping delay and +USD10 .
2, Custom order
High Gain model for the HE6 and low sensitivity headphones:
The C-2 default had 10DB gain, and it can setting
to 19DB gain for RCA inputs inside .customers can
custom order extra +3 to +9 DB gain with 4 workdays leadtime. If connect with
other high sensitivity headphones like over 115DB sensitivity , may turn few steps volume but had
quite loud .
+3DB extra gain, total +13DB ( can setting to
22DB gain for RCA inputs inside ), price +USD10.
+6DB extra gain, total +16DB ( can setting
to 25DB gain for RCA inputs inside ), price +USD13.
+9DB extra gain, total +19DB ( can setting
to 28DB gain for RCA inputs inside ), price +USD15.