Boss BP-1W Analog WAZA Booster/Preamp Pedal, Gray

SKU: BSBP1W MFR: BP-1W
$186.99
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Key Features

  • Experience premium, all-analog tone with the Boss WAZA Booster pedal for rich sound quality.
  • Achieve versatile sound shaping with the BP-1W, from clean boosts to vintage overdrive textures.
  • The durable Boss BP-1W ensures years of reliable performance on stage and in the studio.
  • Easily dial in your ideal tone with intuitive gain and level controls on this user-friendly pedal.
  • Enhance your guitar's presence and cut through the mix using the BP-1W as a preamp booster.
  • Compact and pedalboard-friendly, the BP-1W delivers powerful tone without sacrificing space.
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Special Order?Estimated to Ship: 09/09/2025
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Review Summary

Boss BP-1W Specifications

  • Color

    Gray

  • Nominal Input Level

    -20 dBu

  • Input Impedance

    Effect OFF:
    1 M ohms

    Effect ON:
    1 M ohms (BUFFER switch: STD)
    100 k ohms (BUFFER switch: VTG)

  • Nominal Output Level

    -20 dBu

  • Output Impedance

    1 k Ohm

  • Recommended Load Impedance

    10 k Ohm or greater

  • Bypass

    Buffered bypass

  • Controls

    GAIN knob
    LEVEL knob
    BUFFER switch (STD/VTG SW)
    MODE switch
    Pedal switch

  • Indicator

    CHECK indicator (Serves also as battery check indicator)

  • Connectors

    INPUT jack: 1/4-inch phone type
    OUTPUT jack: 1/4-inch phone type
    DC IN jack

  • Power Supply

    Alkaline battery (9 V, 6LR61)
    AC adapter (PSA series: sold separately)

  • Current Draw

    60 mA

  • Expected battery life

    Alkaline: Approx. 4.5 hours (under continuous use)

  • Battery Info

    Required, included

  • Battery Material

    Alkaline

  • Battery Type

    9-volt

  • Battery Quantity

    1

  • Dimensions (W x D x H)

    2.87 x 5.07 x 2.32" (73 x 129 x 59mm)

  • Weight

    Including battery: 1 lbs (430g)

  • UPC Code

    761294520383

Designed For Use With:

  • Guitar Pedal

Need Help?

For any questions about compatibility with this product, call us at 800-223-2500 or you can email us any time.

About Boss BP-1W

Sonic Sweetener
The vintage BOSS CE-1 Chorus Ensemble and RE-201 Space Echo are legendary for their inspiring and influential effect sounds. But they're also loved for their variable analog preamp circuitry, which instantly infuses any guitar tone with character, body, and richness. With the BP-1W, you can now access these two classic preamp tones in a premium Waza Craft pedal, along with a natural, clear voice that functions as a standard clean boost.

Magical Enhancement
For generations, savvy guitarists have relied on key pieces of analog gear to enhance their core tone. Though discontinued over 30 years ago, the CE-1 and RE-201 remain widely used by many players for their characterful preamps as much as their famous analog effect sounds. These "secret weapons" make the sound richer, fuller, and more satisfying to play, even when their effect processing is bypassed. The BP-1W lets you integrate the magical tone-shaping properties of these legends into your own rig-without having to seek out rare and expensive vintage originals.

Versatile Analog Sound Shaping
The BP-1W is one of the most flexible boost pedals available, offering three unique operation modes in a single compact stomp. Along with CE and RE vintage modes, a third mode provides a pristine clean boost when you want to pump the volume without added color. The Gain knob allows you to dial in a range of saturation and drive tones unique to each mode, while the Level knob lets you balance the effect/bypass sound or push downstream pedal and amp inputs for further tonal enhancement.

Choose Your Tone Color

CE
This mode reproduces the CE-1 preamp tone, known for its bright, bell-like character and tight low-end response. Tweak the Gain knob to conjure an array of pleasing tones, from mild to aggressive.

RE
This mode reproduces the unique color and response of the RE-201 preamp circuitry. It adds fatness and warmth even at the lowest Gain settings, with increasing saturation as the knob is turned up. You can achieve powerful driven sounds with rich analog compression characteristics, providing foundational vintage color to feed pedals and amps.

NAT
Produces a punchy, natural voice with minimal coloration. The modern analog Waza Craft circuitry provides a wide boost range, delivering top performance for any standard clean boost application.

Two Premium Buffers
The BP-1W features high-quality buffer circuitry with two selectable types. Slide the rear panel switch to choose between the pure signal of a standard buffer or a vintage buffer with lower input impedance. The vintage type produces a warmer tone and a smooth dynamic response, with maximum benefits achieved by connecting a guitar with passive pickups directly to the BP-1W's input. The standard buffer is always engaged for signal conditioning when the pedal is bypassed, regardless of the buffer switch setting.

Waza Craft: The Art of Superior Tone
Since the beginning, the engineers at BOSS have been committed to achieving the finest guitar tones using any technology necessary, from old-school analog circuits to high-tech DSP. This enthusiastic spirit continues with the Waza Craft series, bringing you exceptional tone and touch response through carefully selected analog components, refined circuitry, and meticulous attention to detail. In Japan, "Waza" is the term for art and technique, and these special edition pedals proudly carry the Waza symbol to represent the pinnacle of BOSS design and craftsmanship.

Boss BP-1W Features

  • Waza Craft innovation for a premium analog tone experience
  • Premium booster and preamp pedal with analog circuitry derived from legendary BOSS and Roland effects
  • Versatile design with three selectable modes
  • CE mode reproduces the bright, bell-like preamp sound of the BOSS CE-1 Chorus Ensemble
  • RE mode reproduces the fat, warm preamp sound of the Roland RE-201 Space Echo
  • NAT mode provides a natural clean boost with minimal sound coloration
  • Gain knob controls the amount of saturation introduced into the signal
  • Level knob for controlling the overall volume and driving the inputs of amps and other pedals
  • Selectable standard or vintage input buffer with different tone and response characteristics
  • Made in Japan

Warranty Information

This product has a limited warranty of 60 months.

Product Documents

User Manual

Key Features

  • Experience premium, all-analog tone with the Boss WAZA Booster pedal for rich sound quality.
  • Achieve versatile sound shaping with the BP-1W, from clean boosts to vintage overdrive textures.
  • The durable Boss BP-1W ensures years of reliable performance on stage and in the studio.
  • Easily dial in your ideal tone with intuitive gain and level controls on this user-friendly pedal.
  • Enhance your guitar's presence and cut through the mix using the BP-1W as a preamp booster.
  • Compact and pedalboard-friendly, the BP-1W delivers powerful tone without sacrificing space.

What's in the box:

  • Boss BP-1W Analog WAZA Booster/Preamp Pedal (Gray)
  • 9V Alkaline Battery
  • Leaflet "Using The Unit Safely"
  • Boss 5 Year Limited Warranty