The Summit Audio TPA-200B Dual Tube Preamplifier combines the warmth of vacuum tubes with the clear high frequency response of high quality solid state in a package designed to work in a variety of applications. With three input types: microphone input, line level input, and front panel Hi-Z input, the TPA-200B is great studio companion for both tracking and mixing. Use the TPA-200B™'s input and output gains to overdrive the tube in any amount, from very clean and clear to a riot of tube fuzz. The Jensen input transformers have an open and airy top end that shines with dynamic and diverse signals, even those with dense frequency content such as voice and electric guitars. The signature sounds of Summit Audio’s TPA-200B is perfect for eradicating sterility from the cold, hard digital world.