ART Digital MPA-II 2-channel Tube Microphone Preamplifier at a Glance: Two channels of flexible tube preamplification Supports dual-mono and stereo operation, as well as mid/side miking Large VU meters and multicolored LEDs display levels High-quality onboard A/D converter with flexible digital connectivity ART Digital MPA-II 2-channel Tube Microphone Preamplifier Features: * Variable Input Impedance For Flexible Microphone Voicing (150 Ohms To 2400 Ohms) * Selectable Plate Voltage * Large VU Meters * Backlit Function Switches * Discrete Class-A Input Microphone Preamplifier * Low Noise at Lower Gain Settings * Low Total Harmonic Distortion (THD) * Wide Frequency Response * Front-mounted Instrument Input Jack * Supports Mid/Side Miking Technique * Operates at +4dbm/-10dbv Output * Selectable Stereo/Dual-mono Operation of Output Controls * Automatic Instrument Input Selection * 24-204KHz External sample rate * 44.1K, 48K, 88.2K, 96K, 176.4K, 192K Internal sample rates * 24/16 bit switchable dithering * Wide dynamic range A/D * Rotary Encoder for quick selection of sample rate * Separate analog and digital output level controls * Digital Level LED meters display both Average and Peak level * ADAT optical I/O * Sync to incoming ADAT data rate * Switch selectable optical output (S/PDIF or ADAT) *AES/EBU and S/PDIF outputs * Two word clock jacks allowing loop through * 1 year warranty against manufacture defects