Power Source220 - 240 V AC, or 24 V DC Rated Output120 W Power Consumption124 W (EN60065), 8 A (DC operation at rated output) Frequency Response50 - 20,000 Hz (±3 dB) Distortion1% or less at 1 kHz, 1/3 rated power Phantom PowerDC +21 V (MIC 1) MutingMIC 1 overrides other input signals with 0 - 30 d..