BOSS OS-2 OverDrive/Distortion

Input/Output Specifications:

• Nominal Input Level: -20 dBu (standard line-level signal).
• Input Impedance: 1 M ohm (ideal for use with electric guitars or other high-impedance instruments).
• Nominal Output Level: -20 dBu.
• Output Impedance: 1 k ohm (suitable for most amplifiers or other devices).
• Recommended Load Impedance: 10 k ohms or greater (ensures proper interaction with downstream devices).

Bypass:

• Buffered Bypass: Ensures the signal is properly buffered when the effect is turned off, maintaining the integrity of the signal chain.

Controls:

• COLOR Knob: Likely adjusts the tonal character or texture of the effect, possibly modifying the harmonic content or color of the distortion.
• DRIVE Knob: Controls the intensity or amount of gain, affecting the distortion level.
• TONE Knob: Adjusts the overall tonal balance, shaping the treble and bass frequencies.
• LEVEL Knob: Controls the output volume of the effect.

Indicator:

• CHECK Indicator: Indicates the status of the battery, including when it’s running low.

Connectors:

• INPUT Jack: 1/4-inch phone type (standard for most instrument cables).
• OUTPUT Jack: 1/4-inch phone type (for connecting to amplifiers or other effects).
• DC IN Jack: For connecting an external AC adapter (PSA series, sold separately).

Power Supply:

• Battery:
  • Carbon-zinc 9V battery (6F22) or
  • Alkaline 9V battery (6LR61).
• AC Adaptor: PSA series (sold separately).
• Current Draw: 12 mA (low power consumption).
• Expected Battery Life:
  • Carbon-zinc: Approx. 33.5 hours.
  • Alkaline: Approx. 55 hours (this may vary based on usage conditions).

Accessories:

• Included: Leaflet with safety information and basic usage notes, 9V Carbon-zinc battery (6F22).
• Optional: AC Adapter (PSA series, sold separately).

Size and Weight:

• Width: 73 mm (2-7/8 inches).
• Depth: 129 mm (5-1/8 inches).
• Height: 59 mm (2-3/8 inches).
• Weight (including battery): 385 g (14 oz).