Three new amps available for preorder from Audio-GD, release in June 15th, 2015.
C-2 (11th Anniversary Edition) USD480 http://www.audio-gd.com/Pro/Headphoneamp/C22015/C22015EN.htm
NFB-1AMP USD520 http://www.audio-gd.com/Pro/Headphoneamp/NFB1AMP/NFB1AMPEN.htm
NFB-3AMP USD230 http://www.audio-gd.com/Pro/Headphoneamp/NFB3AMP/NFB3AMPEN.htm
The C-2 and the NFB-1AMP are new Class A amps based on the Master 9 design. The C-2 is single ended, while the NFB-1AMP is fully balanced. The NFB-3AMP is a new lower price single ended Class A amp.
If customer like to keep your headphone with single ended connector (6.3MM), choice the C-2 get better performance than the NFB-1AMP.
If customer had the balance connector headphone or can modify the headphone with balance connector, choice the NFB-1AMP.
Both the C-2 and the NFB-1AMP share the same case, depicted below:
And the NFB-3AMP
Edited by SodaBoy - 7/4/15 at 6:59pm