Boss AD-2 Acoustic Preamp is an advanced sound processor for performing live with acoustic-electric guitars. Housed in the familiar compact pedal chassis, the AD-2 features an Acoustic Resonance effect that recreates the complex tonal characteristics of an unplugged acoustic, plus a high-quality reverb optimized for acoustic guitar performance. The pedal also includes stage essentials like a notch filter for feedback reduction, a balanced DI output, and more.
Acoustic-electric guitar preamp with advanced BOSS sound processing
Sophisticated under-the-hood processing with multiple interlocked parameters, accessible with simple stompbox controls
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
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
ACOUSTIC RESONANCE knob
AMBIENCE knob
NOTCH knob
Indicator: CHECK indicator (Serves also as battery check indicator)
Connectors:
INPUT jack: 1/4-inch phone type
OUTPUT jack: 1/4-inch phone type
LINE OUT jack: 1/4-inch 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 under 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)
Width: 73 mm; 2-7/8 inches
Depth: 129 mm; 5-1/8 inches
Height: 59 mm; 2-3/8 inches
Weight (including battery): 450 g; 1 lb
