ART USB Phono Plus Project Series is turntable preamplifier. The USB Phono Plus is the ideal solution for transferring any highly prized vinyl collection to your computer or laptop. It is also the ideal high performance audio interface between analog and digital sources. Built in low-noise RIAA phono pre-amp circuit with low cut filters (to remove rumble and noise) guarantee pristine audio capture. Front mounted gain control and Signal/Clip LED allows easy optimization of a wide range of analog input sources. The USB Monitor/headphone provides zero latency monitoring of the input source for easy cueing. The USB PhonoPlusPS can also act as audio playback source for any USB equipped computer or laptop. Optical TOSLINK Input and Output as well as an S/PDIF Input make the USB PhonoPlusPS an ideal analog / digital audio to USB interface as well. The built-in low noise Phono Preamp circuit is highly accurate and precisely conforms to the RIAA standard. The Line Out jacks are always connected to the input preamp signal for source monitoring or to allow use as a stand-alone phono preamp.