The Sonic Scientific special version of Trasam's DH3 full-balanced desktop headphone amplifier, which will be used with our Oracle series, and Kratos 12/5V battery powered linear power supply, is our first joint project with Trasam. This combination can push the performance of DH3 to the extreme. We will provide you with a special introductory offer now. For USD$299.95, you can get a full set of Sonic Scientific version of Trasam DH3 fully balanced 4.4 single-ended 6.35 pre-amplifier desktop headphone amplifier. We very much hope that qualified agents and distributors from all over the world can become our partners. If you are interested, please leave a message to contact us for more details.