BOSS AD-2 Acoustic Preamp Pedal

BOSS AD-2 Acoustic Preamp Pedal

BOSS AD-2 Acoustic Preamp Pedal

B&H # BOAD2 MFR # AD-2
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Product Highlights

  • Acoustic Preamp in Stompbox Form Factor
  • Acoustic Resonance for Natural Live Tone
  • Ambiance Control for Appropriate Reverb
  • Notch Filter for Feedback Reduction
  • One-Knob Controls Affect Many Parameters
  • Acoustic Amp Output Jack
  • TRS Line Out Jack for PAs & Mixers
  • Mute Function for Switching Guitars
  • Buffered Bypass
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  • 1Description

The BOSS AD-2 Acoustic Preamp is a stompbox for acoustic/electric guitars that's designed to make up for the often-lackluster quality of undersaddle, piezo pickups. The AD-2's Acoustic Resonance feature analyzes the input signal as you're playing and applies processing to recreate the woodier sound of your acoustic instrument. Twisting the knob associated with this effect adjusts multiple interlocking controls within the pedal itself, allowing you to tailor the resulting song for specific timbres or purposes—i.e., for fingerpicking or strumming—quickly and effectively.

Also on hand—or rather, under foot—is an ambiance effect which adds some reverb to the signal. This reverb is EQ'd and processed to work with your acoustic guitar in a more complementary way when compared to other, comparable reverbs. As with the ambiance control, one-knob adjustment of this reverb will affect many interlocking parameters.

The AD-2 offers one input for your acoustic guitar, though you do have your choice of two outputs. A standard output jack can feed an acoustic guitar amp or a monitor, while the DI jack’s TRS connection sends a balanced signal to a PA mixer. If you choose, you can turn off the ambiance effect on the DI'd channel, thus giving your FOH mixer the ability to apply reverb in accordance with their own predilections.

Should you encounter any feedback, a one-knob notch filter will help you mitigate it immediately. This pedal has a buffered bypass path, which helps bolster tone over longer cable runs. If you'd like to mute your signal while changing guitars or tuning with an external tuner, simply press and hold the footswitch for two seconds.

Key Features at a Glance
  • Acoustic/electric guitar preamp
  • Under-the-hood processing with multiple interlocked parameters, accessible via simple stompbox controls
  • Acoustic Resonance reproduces the complex resonance characteristics of an unplugged acoustic guitar
  • Ambiance knob provides wide-ranging, studio-quality reverb designed for acoustic guitar
  • Notch filter for 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


UPC: 761294509821
In the Box
BOSS AD-2 Acoustic Preamp Pedal
  • 9V Alkaline Battery
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description
    Nominal Input Level -20 dBu
    Nominal Output Level -20 dBu (both jacks)
    Input Impedance 10 MOhms
    Output Impedance Output: 1 kOhm
    Line Output: 600 Ohms
    Bypass Buffered
    Controls Acoustic Resonance Knob
    Ambiance Knob
    Notch Knob
    Pedal Switch
    LED Indicator Check indicator (Serves also as battery check indicator)
    Connectors 1 x 1/4" input, phone type
    1 x 1/4" output, phone type
    1 x 1/4" line output, TRS phone type
    1 x DC input
    Power Supply 9 V Battery (alkaline or carbon-zinc)
    AC Adapter (available separately)
    Current Draw 55 mA
    Battery Life (approx.) 6 hours of continuous use
    Dimensions (W x D x H) 2.9 x 5.1 x 2.3" / 73.0 x 129.0 x 59.0 mm
    Weight 15.9 oz / 450.0 g
    Packaging Info
    Package Weight 1.3 lb
    Box Dimensions (LxWxH) 5.9 x 3.7 x 2.6"
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