Boss Acoustic Preamp

Model #AD-2

BOSS Warranty
Boss ad 2 1
Boss ad 2 1
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General Information

Nominal Input Level -20 dBu
Input Impedance 10 M ohms
Nominal Output Level OUTPUT jack: -20 dBu LINE OUT jack: -20 dBu
Output Impedance OUTPUT jack: 1 k ohm LINE OUT jack: 600 ohms
Recommended Load Impedance OUTPUT jack: 10 k ohms or greater
LINE OUT jack: 600 ohms or greater
Bypass Buffered bypass
Controls Pedal switch
NOTCH knob
Indicator CHECK indicator (Serves also as battery check indicator)
Connectors INPUT jack: 1/4" phone type
OUTPUT jack: 1/4" phone type
LINE OUT jack: 1/4" TRS phone type
DC IN jack
Power Supply Alkaline battery (9V, 6LR61) or Carbon-zinc battery (9V, 6F22)
AC adaptor (sold separately)
Current Draw 55 mA
Expected battery life (continuous use) Alkaline: Approx. 6 hours
These figures will vary depending on the actual conditions of use.
Accessories Owner's manual
Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")
Alkaline battery (9V, 6LR61)
Option (sold separately) AC adaptor (PSA series)
Dimensions (W x D x H) 73mm x 129mm x 59mm (2-7/8 x 5-1/8 x 2-3/8")
Weight (Incl. Battery) 450 g (1 lbs)
Product Highlights
  • Acoustic-electric guitar preamp with advanced BOSS sound processing
  • Acoustic Resonance reproduces the complex resonance characteristics of an unplugged acoustic
  • Ambience knob provides wide-ranging, studio-quality reverb optimized for acoustic guitar
  • Notch filter for instant feedback reduction
  • Normal output for an acoustic guitar amp and balanced DI output for direct PA connection
  • Sound mute function for switching guitars and tuning on stage
  • Compatibility: Guitar Pedal
In The Box
  • Acoustic Preamp
  • Owner's Manual
  • Leaflet
  • Alkaline Battery
  • BOSS 5 Year Warranty
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