Complete recording studio for acoustic instruments. The US-4 x 4 is a 4-in /4-out USB interface with four Ultra-HDDA mic preamps. These preamps provide up to 57 dB of gain and the best noise and distortion specs in their class. The audio design features high-performance, musical components like NE5532 op amps for rich sound quality without coloring the source. In addition to the four balanced line outputs, two headphone outputs are provided for monitoring while recording talent. To assist you while recording, two sets of TH-02 headphones are included. Use the US-4 x 4's two headphone outs to monitor a performer while they play along with the track. The full-range, closed-back studio headphones are perfect for recording without bleed as well as perfecting your mix. TASCAM's TM-80 is a condenser microphone designed and priced for home recording. The condenser mic features an 18 mm aluminum diaphragm with a cardioid pickup pattern that sounds great on anything from vocals to acoustic instruments. Internal circuitry is optimized to reduce noise and distortion while retaining rich, full sound quality.