M-Audio AV 40 Hi Fi Active Studio Monitor Speakers Black
Amplifier Power 20 W RMS per channel (40 W total). Front Panel I/O ⅛″ headphone jack (mutes speakers), ⅛″ aux-in. Input Impedance 10 kΩ unbalanced, 20 kΩ balanced. Frequency Response 85 Hz – 20 kHz. S/N Ratio > 90 dB (A‑weighted).