Presonus - Bluetube DP - V2 - Dual Microphone Preamp Everything works as it should. Includes Power Supply $70 A value-packed 2-channel preamp that lets you dial in a huge range of tone XMAX Class A solid-state preamps give you clean and clear sound Parallel 12AX7-driven tube preamps lets you blend in tube saturation to warm up your tone Switchable 48V phantom power provides compatibility with any kind of microphone Concentric hi-Z instrument inputs on both channels allow you to dire...