Input: Mic level, -60 to -30 dBu nominal Input Impedance: >1 kΩ balanced Input / Output Connectors: XLR LEVEL Adjustment: Single turn audio taper (front panel) Minimum Input Level: -60 dBu (to cross compressor threshold)@ max gain; -30 dBu (to cross compressor threshold) @ min gain Maximum Input Level: 0 dBu @min gain Output: Mic level, -55 dBu to -30 dBu, adjustable; NORMAL: -45 dBu Output Impedance: 150 Ω nominal, balanced Output Level Adjustment: Single turn audio taper (rear panel) Frequency Response: 50 Hz to 20 kHz (+/- 0.5 dB) THD+N: 55 dB (50 Hz to 120 Hz) Phantom: 24 V (IEC 1938: 1996-12), present when phantom detected at module output Indicators (3): Red LED: COMPRESSION, indicates compressor activity; Green LED: PHANTOM, indicates phantom voltage present; Blue LED: POWER 24 Vdc power supply current: 55 mA (idle), 60 mA (max.), 70 mA (max. with phantom) Power supply input voltage: 100 to 240 VAC Warranty: 3 Years; contact RDL technical support department for assistance Case dimensions: 2.9â€? (7.4 cm)W x 5â€? (7.6 cm)D Mounting size: 1/6 rack width