Mackie EM-Chromium; USB Condenser Microphone with build-in 2-Channel Mixer; 4 selectable polar patterns: Stereo, Cardiod, Figure 8 and Omni; Frequency range: 20 - 20 kHz; sensitivity: -38 dB +/-3 dB (0 dB=1V/Pa @ 1 kHz); dynamic range: 96 dB; limiting sound pressure level: 110 dB (@1 kHz 1% THD); Sample rate: