Avalon U5 Instrument And DI Preamplifier 1-Channel Active Direct Box And Preamp With 2 Mic/Line Outputs, Variable Gain Boost, 6 Tone Shapes, High

Avalon U5 Instrument And DI Preamplifier - Gold, Sweetwater Exclusive 1-Channel Active Direct Box And Preamp, Limited Edition, With 2 Mic/Line

ART Tube MP Studio V3 Preamp/DI Box Preamp And DI Box With +48V Phantom Power, Variable Gain, Phase Reverse Switching, Variable Valve Voicing, And

Useful Arts BF-S Pro DI Tube Instrument Preamp/DI Box Tube Instrument Preamp/DI With 20 Million Ohms Input Impedance, Class A Tube Preamp, 2-Band

Aguilar AG Preamp/Direct Box Bass Preamp DI Pedal With 4-Band EQ And Footswitchable Bright/Deep Controls

Universal Audio SOLO/610 Tube Desktop Microphone Preamp All-Tube 1-Channel Mic Preamp And DI Box