Maxon CP-9Pro + Compressor

Technical specs: 

• Type: Compressor/Limiter
• Control: Threshold, ratio, gain, led «reduction»
• Input Impedance: 500 K Ohms
• Input Jack: 1/4 inch standard phone jack
• Output Impedance: 10 K Ohms or less
• Output Jack: 1/4 inch standard phone jack
• Output: 1
• Switch: Normal/Effect (true bypass configuration)
• Maximum Output Level: +18 dBu (1 KHz)
• Distortion Ratio: 0.01% (1 kHz) at 0 dB output
• Residual Noise: 95 dBu (input shorted, IHF-A weighted)
• Indicator: Normal/Effect LED, Reduction LED (when reduction LED lights, Compression is more than 3 dB)
• Internal Circuit Voltage: Stabilized +/-9V DC-DC converter
• Power Supply: 9V Manganese dry cell battery (6F22) or special AC adaptor
• Power Voltage: DC9 V (Battery) / DC10 V (AC-adaptor)
• Current Consumption: 25 mA (9 V) / 23 mA (10 V) at 18 volts
• Battery Life:Panasonic NEO battery 6F22NB - Approximately 5.1 Hours @ 77 deg F / 25 Deg C, Panasonic Alkaline battery 6LF61G - Approximately 12.4 hours @ 77 deg F / 25 deg C
• AC Adaptor: AC210N (option) Input: AC120V Output: DC9V/200 mA Center - / Sleeve +)
• Dimensions (whole): 74 mm (W) x 124 mm (D) x 54 mm (H)
• Weight: 580 g