Check the listing for details. DBX 286A Mic Pre- Amp Processor #2039 #2040 (One)THS. Color: Black, Condition: Used. Listed at 125.00 USD. FOR SALE IS ONEDBX 286A Mic Pre- Amp Processor #2039 #2040 CONDITION DESCRIPTION#2040 - The rack ear is slightly bentThis is a used unit that has scratches and cosmetic blemishes from normal use and age. This unit has not been opened or disassembled. Only items shown in pictures are included. Sorry, no other parts, wiring or accessories included. SPECSMic Preamp Connector XLR Floating balanced, Pin 2 HotMic Preamp Input Impedance1.75kΩMic Preamp gain +10dB to +60dBMic Preamp Phantom Power +48 VCMRR >40dB, typically 55dBMic Preamp max input level 0.2VrmsInput Connectors (line) Floating balanced, TIP HotInput Impedance (line) 30kΩ unbalanced, 60kΩ balancedMax Input (line) >+21dBu, balanced or unbalancedInput Gain Range (line) -20dB to +30 dBInsert Connector 1/4" TRS: Normalled; tip is Send, ring is ReturnInsert Impedance >5kΩ (ring-return); 100Ω (tip-send)Insert Max Level >+21dBuInsert Noise