Boss BF-3 Flanger Pedal | No Limit Guitar Co, Idaho Falls
The Boss BF-3 Flanger brings big, dimensional stereo flanging to your pedalboard at an accessible price — building on the classic sound of the venerable BF-2 while adding two new modes, tap tempo, and a momentary flange function for performance flexibility. Independent guitar and bass inputs ensure the BF-3 is voiced correctly for either instrument, while stereo outputs let the full width and dimension of the flange effect translate into a stereo rig. Whether you want classic jet-plane flanging, ultra-fat low-noise modulation, or rhythmic gated and panning textures, the BF-3 delivers fat, dimensional flanging that stands out exactly when you want it to — backed by BOSS's 5-year warranty.
Product Overview
Flanging is one of the most distinctive and recognizable modulation effects in guitar and bass tone — the sweeping, jet-plane-like sound created by mixing a signal with a slightly delayed copy of itself, with that delay time modulating over time. The BF-3 builds on the BF-2's well-established flanging foundation — a circuit that has been a pedalboard staple for decades — and expands it with two new modes that broaden the BF-3's creative range significantly. Ultra mode produces an exceptionally fat, intense flanging effect with very low noise, addressing one of the historical challenges with flanger pedals: pushing flanging intensity to extreme settings often introduces noise that becomes part of the effect whether you want it or not. Ultra mode allows players to push the flange depth and intensity hard while keeping the noise floor under control.
Gate/Pan mode introduces rhythmic elements to the flanging effect — gating and panning the flanged signal in time, creating pulsing, moving textures that add a rhythmic dimension beyond traditional sweeping flange. This mode opens up creative territory more associated with auto-pan and tremolo-style effects while retaining the flanging character underneath, producing genuinely unique textures.
Tap tempo brings rhythmic precision to the BF-3's modulation rate — tapping the tempo via the pedal switch synchronizes the flange sweep to a song's tempo, ensuring the modulation feels musically connected to what's being played rather than running at an arbitrary, unsynchronized rate. Momentary mode is a performance-focused feature that turns flanging on instantly for as long as the footswitch is held — useful for adding a quick flange swell to a specific note, chord, or transition without needing to engage and then disengage the effect with separate footswitch presses.
Separate guitar and bass inputs are a meaningful detail that reflects how differently flanging interacts with the frequency content of guitar versus bass signals — a flanger voiced and optimized for guitar frequencies won't necessarily translate the same character to bass, and the BF-3's dedicated inputs ensure the effect is properly voiced regardless of which instrument is connected. Stereo outputs allow the full width and movement of the flange effect to be experienced in a stereo rig — flanging is an effect that particularly benefits from stereo presentation, since the sweeping, modulating character translates into genuine spatial movement across a stereo field in a way that mono output cannot replicate.
Ideal For
- Guitarists and bassists who want classic BF-2 flanging tone with expanded modern features
- Players seeking extremely fat, intense flanging effects without the noise issues that can plague aggressive flanger settings
- Performers who want rhythmic, gated, and panning flange textures for unique modulation effects
- Musicians who want tap tempo-synced flanging and momentary flange swells for live performance
- Bassists specifically looking for a flanger with a dedicated bass input voiced appropriately for low-frequency content
- Guitarists in Idaho Falls looking for an affordable, feature-rich stereo flanger backed by BOSS's 5-year warranty
Key Features
New Ultra and Gate/Pan Modes
Ultra mode delivers exceptionally fat, intense flanging with very low noise even at extreme settings, while Gate/Pan mode introduces rhythmic gating and panning to the flanged signal for unique pulsing, moving textures beyond traditional sweep flanging.
Classic BF-2 Flanging Foundation
The BF-3 builds on the well-established sound of the venerable BF-2 — a flanger that has been a pedalboard staple for decades — preserving the tonal character players have relied on while adding modern functionality.
Momentary Mode
Momentary mode turns flanging on instantly for as long as the footswitch is held — ideal for quick flange swells on specific notes, chords, or transitions without needing separate engage/disengage footswitch actions.
Tap Tempo
Tap tempo adjustable via the pedal switch synchronizes the flange modulation rate to a song's tempo, ensuring the effect feels musically connected rather than running at an arbitrary rate.
Independent Guitar and Bass Inputs
Dedicated inputs for guitar and bass ensure the flanging effect is properly voiced for either instrument's frequency content — a detail that matters significantly for how flanging translates across different frequency ranges.
Stereo Outputs
Stereo outputs allow the full width and dimensional movement of the flange effect to translate into a stereo rig — flanging benefits significantly from stereo presentation, where the modulating sweep creates genuine spatial movement across the stereo field.
BOSS 5-Year Warranty
The BF-3 is backed by BOSS's 5-year warranty, reflecting the brand's confidence in the pedal's build quality and long-term reliability.
What's Included
- Boss BF-3 Flanger Pedal
- Free standard shipping
Note: 9V DC power supply and battery sold separately.
Technical Specifications
| Specification | Details |
|---|---|
| Model | BF-3 |
| Pedal Type | Flanger |
| Modes | Standard, Ultra, Gate/Pan (and additional BF-2-derived modes) |
| Tap Tempo | Yes |
| Momentary Mode | Yes |
| Inputs | 2× Instrument (Guitar, Bass) |
| Outputs | 2× 1/4" (Stereo) |
| Power Source | 9V DC (sold separately) |
| Battery | 1× 9V |
| Height | 2.4" |
| Width | 2.9" |
| Depth | 5.1" |
| Weight | 0.9 lbs. |
| Warranty | 5-Year (BOSS) |
| Manufacturer Part # | BF-3 |
Get Your Hands on This Flanger Pedal Today
The Boss BF-3 is available now at No Limit Guitar Co in Idaho Falls. Stop in to experience the new Ultra and Gate/Pan modes alongside the classic BF-2 flanging tone, or reach out online to order yours — fat, dimensional flanging for guitar or bass, backed by BOSS reliability.