Wisdom in mind,   enthusiasm at heart.

NFB-1AMP
(2017 version. Since 1st.May)

The full balanced design based on Master 9
Class A PSUs built in
Discrete  Headphone amplifier / Preamplifier
Super Exponential Volume Characteristic
8000mW at 40 ohm output
OCC and hi-end parts applied

Summarize

Use Manual

Specs

Custom Option

Shipping Cost

Custom order options:

1, Custom order High Gain model for the HE6 and low sensitivity headphones:
      The product default had 16DB gain, customers can custom order extra +6 DB to +12DB gain, in total 22DB gain,  had better match with the headphone which is sensitivity low than 95DB.
       Price is USD20.
       If the headphone sensitivity lower than 100DB, choice extra +6DB.
       If the headphone sensitivity lower than 90DB, choice extra +12DB.