Power Source220 V AC, or 24 V DC Rated Output60 W Power Consumption72 W (EN60065), 4 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) Dimensions420 (W) × 100.9 (H) × 280.3 (D) mm (16.54" × 3.97" × ..