Product description The VMV A1 PRO stands as a compact yet high-power amplifier, leveraging GaN faster switching speeds, cooler operating temperatures, and reduced energy consumption. Whether powering full-size stereo speakers or bi-amping in mono mode, the VMV A1 PRO delivers ultra-pure, uncompromised power for audiophile-grade performance. Complete protection circuitry, for overheating and overcurrent, etc. PGA2311 brings precise low noise and other optimizations to VMV A1 PRO The use of TI's advanced volume chip PGA2311, more accurate volume control and ultra-low distortion. Input RCA/XLR (MONO) THD+N 0.003 % SNR 109dB Channel Separation 75dB Input Sensitivity-stereo 680mV/22k Input Sensitivity-mono 2100mV/22k