NO RESERVE. SEE MY FEEDBACK. WORKS PERFECTLY. SHIPPING TO 48 STATES ONLY. The ART Pro Channel II Microphone Tube Preamp-Opto Compressor EQ Equalizer is a versatile piece of pro audio equipment designed for musicians and audio professionals. With its XLR audio inputs and outputs, this preamp allows for easy connection to various audio devices. The built-in compressor and EQ features provide control over the dynamics and frequency response of the audio signal, making it ideal for a range of recording and live sound applications. The sleek black design and reliable brand reputation of ART make this preamp a great choice for enhancing the quality of your audio recordings.