BOSS BF-3 Flanger

The BOSS BF-3 Flanger - Classic Flanging, Modern Upgrades, Legendary Sound

Expanded Flanging Effects with New Ultra and Gate/Pan Modes

The BOSS BF-3 Flanger builds on over two decades of tonal innovation, offering guitarists and bassists a modernized take on the beloved BF-2. Featuring two new modes, Ultra and Gate/Pan, the BF-3 delivers the thickest stereo flanging ever packed into a compact pedal. Whether you're chasing swirling, atmospheric textures or aggressive slicer-like effects, this flanger opens new creative horizons while preserving the iconic BOSS character that players worldwide have trusted for decades.

Versatile Controls and Real-Time Flanging Flexibility

With its intuitive interface, the BF-3 offers deep control over your sound. The Mode, Rate, Depth, and Resonance/Manual knobs make it easy to craft everything from slow, sweeping modulations to rapid, jet-like swooshes. The Momentary mode allows you to trigger the effect instantly with the footswitch, and the built-in tap tempo feature ensures perfect synchronization with your music, keeping your modulation locked in with the beat.

Optimized for Guitar and Bass with Stereo Outputs

Designed for versatility, the BF-3 features independent inputs for guitar and bass, ensuring each instrument gets the optimal tonal response. Stereo outputs allow for wide, immersive flanging effects that swirl across the stereo field, making it ideal for both stage and studio setups. Whether you're running mono or stereo, this pedal delivers rich, detailed modulation that elevates your sound.

Rugged BOSS Construction for Gig-Ready Reliability

Housed in the classic BOSS compact pedal format, the BF-3 is built to endure years of demanding performance. With buffered bypass for signal integrity and a durable chassis that can handle the rigors of touring, this pedal is ready for any gig. Powered by a 9V battery or an optional PSA series AC adaptor, it offers flexible operation for pedalboards of all sizes.

A True Modern Classic for Flanger Enthusiasts

Combining updated features with the unmistakable BOSS reliability, the BF-3 Flanger is a must-have for players seeking both vintage and forward-thinking sounds. With its expressive control options, stereo capabilities, and unmistakable tonal richness, the BF-3 earns its place as a new standard in flanging effects.

Specifications

• Nominal Input Level: -20 dBu

• Input Impedance: 1 M ohm

• Nominal Output Level: -20 dBu

• Output Impedance: 1 k ohm

• Recommended Load Impedance: 10 k ohms or greater

• Bypass: Buffered bypass

• Controls: Mode knob, Rate knob, Depth knob, Resonance/Manual knob, Pedal switch

• Indicator: CHECK indicator (used for battery status)

• Connectors:

  • Guitar In jack: 1/4-inch phone type

  • Bass In jack: 1/4-inch phone type

  • Output A (Mono) jack: 1/4-inch phone type

  • Output B jack: 1/4-inch phone type

  • DC In jack

• Power Supply: Alkaline battery (9V, 6LR61) or AC adaptor (PSA series, sold separately)

• Current Draw: 60 mA

• Expected Battery Life (continuous use): Approx. 4 hours (alkaline)

• Accessories Included: Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information"), Registration Card, Alkaline battery (9V)

• Options (sold separately): AC adaptor (PSA series)

• Size:

  • Width: 2-7/8"

  • Depth: 5-1/8"

  • Height: 2-3/8"

• Weight (including battery): 15 oz