Boss LMB-3 Bass Limiter/Enhancer

SMOOTH TONE, EVERY TIMEThe LMB-3 affords complete control over a bass guitar's dynamic range using a limiter effect and an enhancer circuit designed specifically for electric bass. Full control of bass guitar's dynamic range via threshold level and ratio knobs Enhancer provides increased bass clarity and presence AC adaptor or 9V battery operation BOSS five-year warranty SPECIFICATIONS Nominal Input Level: -20 dBu Input Impedance: 1 M ohm Nominal Output Level: -20 dBu Output Impedance: 1 k ohm Recommended Load Impedance: 10 k ohms or greater Bypass: Buffered bypass Controls:  THSHD knob RATIO knob ENHANCE knob LEVEL knob Pedal switch Indicator: CHECK indicator (Used for indication of check battery) Connectors:  INPUT jack: 1/4-inch phone type OUTPUT jack: 1/4-inch phone type DC IN jack Power Supply:  Carbon-zinc battery (9 V, 6F22) or Alkaline battery (9 V, 6LR61) AC adaptor (PSA series: sold separately) Current Draw: 17 mA Expected battery life under continuous use:  Carb