Compact, High-Performance, Dual-Channel USB Soundcard The USB-Duo has been designed to provide high quality stereo recording when usingprepolarized condenser (electret) microphones. A bias voltage of 2.7 VDC is provided on the microphone inputs. Typical input and output frequency response is 20Hz - 20kHz(+0, -0.5 dB). USB-Duo can be used with Macs and PCs, tablets and phones. USB-Duouses the standard USB audio driver and no additional app is required to use the device.A USB-C to USB-A adapter is included.USB-Duo can be used with a loopback connection for dual channel FFT analysis,including impulse and phase, with Room EQ Wizard, SMAART, Open Sound Meter anda host of additional acoustic analysis programs. For this, be sure to add an AudiofrogUMI-1 and the loopback connector when you make your purchase.Works great as a portable mic preamp for the Audiofrog BHM-1 binaural headmicrophone. Make field recordings with your phone! Technical DetailsSpecifications:Frequency Response: 20Hz-20kHz, +0,-2dB (+0,-0.5dB typical).Maximum Output Voltage: 500mVADC Sample Rate: 44.1kHz - 48kHz, 16 BitDAC Sample Rate: 44.1kHZ - 48kHZ, 16 BitTHD + N:
