Boss BF-3
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- This item is covered for 5 years
Essential Information About the BOSS Flanger BF-3 Pedal
Essential Information About the BOSS Flanger BF-3 Pedal
- Thick and modern stereo flanger, designed for guitar as well as bass
- 4 modes including "Ultra" and "Gate/Pan" for very deep textures and "slicer"-type effects
- Tap tempo footswitch for syncing modulation to the song
- "Momentary" mode to trigger flanging instantly, only when you need it
Manufacturer Information
Boss
https://www.roland.com
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Roland Central Europe N.V.
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A BOSS Classic Updated for Today
A direct descendant of the BOSS lineage that popularized the compact flanger format, the BF-3 continues the "BF" spirit: an instantly recognizable effect capable of everything from subtle phase movement to the famous metallic jet-plane sweep. This version modernizes the approach with increased depth, more spectacular stereo management, and modes tailored for contemporary sounds, without losing the simple and effective ergonomics typical of the brand.
Who It's For, Which Styles, and In What Context
The BF-3 is ideal if you're looking for a versatile modulation pedal, easy to place on a pedalboard and expressive enough for both live and studio use. Guitarists will find perfect tones for rock, pop, metal, alternative, or ambient, while bassists will benefit from a dedicated input to maintain a solid and clear low end. In practice, it excels equally at thickening a clean tone, animating an arpeggio, or creating very marked transitions and breaks.
Technical specifications
| Effects | Chorus / Flanger / Phaser | Use | electric guitar |
| Format | Pedal | Color | Pink |
| Type | sector | ||
| Nominal input level | -20 dBu | Inputs | GUITAR IN (6.35 mm jack), BASS IN (6.35 mm jack) |
| Input impedance | 1 M ohms | Outputs | OUTPUT A (MONO) (6.35 mm jack), OUTPUT B (6.35 mm jack) |
| Nominal output level | -20 dBu | Power supply | DC IN |
| Output impedance | 1 k ohms | Dimensions | 73 x 129 x 59 mm |
| Recommended load impedance | 10 k ohms or higher | AC adapter | not included (optional PSA series) |
| Bypass | buffered bypass | Required voltage | 9 V |
| Controls | MODE, RATE, DEPTH, RES (Resonance) / MANUAL | Consumption | 60 mA |
| Footswitch | activation | Approximate battery life with an alkaline battery (continuous use) | approximately 4 hours |
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Customer reviews
What customers say
Summarized and selected by AI from recent customer reviews
Customers praised this flanger pedal for its effectiveness and wide range of sound combinations. The memory function was highlighted as well-designed and useful. Reviewers loved the new modes, calling them "excellent" and rich-sounding. Some noted initial complexity, but videos help with learning.
Review highlights
- “The new modes are excellent and rich for a flanger pedal.”
- “Effective pedal with sufficient range of combinations. Memory function is well-designed.”
- “Flanger not to be missed. Top quality.”
Based on 5 reviews
- 5 stars, 3 reviews
- 4 stars, 2 reviews
- 3 stars, 0 reviews
- 2 stars, 0 reviews
- 1 star, 0 reviews
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Effective pedal with a sufficient range of possible combinations. The “memory” function is well thought out and very useful.
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The new modes are great, and very fat for a Flanger Pedal.
The Gate/Pan is surprising.Automatically translated
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Don't miss a flanger. Top. a bit complex to handle but videos are available.
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Great flanger pedal
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Very good pedal
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Questions frequently asked
Does the Boss BF-3 work with a bass guitar?
A BASS IN input with a 6.35 mm jack is provided to preserve a solid and clear low end. A dedicated GUITAR IN input is also available for electric guitar.
How to use the BF-3 in stereo?
The OUTPUT A (MONO) and OUTPUT B outputs, both 6.35 mm jacks, allow a stereo setup. The Ultra and Gate/Pan modes use this configuration to create stereo movements and rhythmic chopping.
What controls are available on this flanger pedal?
The MODE selector is complemented by RATE for speed, DEPTH for intensity, and RES/MANUAL for resonance and sweep position. A foot tap tempo allows speed adjustment during playing.
Can the BF-3 be powered by a battery?
The required power is 9 V, with a consumption of 60 mA and an approximate battery life of about 4 hours with continuous use on an alkaline battery. A PSA series adapter can be used via the DC IN input but is not included.
Is the BF-3's bypass buffered?
This pedal uses a buffered bypass, with an input impedance of 1 MΩ and an output impedance of 1 kΩ.
