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Average Price: $131
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$60
$201+
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Price History
Based on price data from 6 merchants for "Boss BF-3 Flanger". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Boss BF-3 Flanger is the updated, versatile pedal that every guitarist and bassist needs on their pedalboard. Carrying on the legacy of the classic BOSS flanger, BF-3 is loaded with the thickest stereo flanging sounds. It's equipped with two new modes - Ultra and Gate/Pan - that produce flanging with incredible depth and slicer-type effects. These effects seem to swirl around you, enveloping your sound in a rich, multi-dimensional cloak.
Not only does the BF-3 delivers fat flanging effects, but it also allows easy tap-tempo adjustment via the pedal and an instant flanging experience through its momentary mode. With separate inputs for guitar and bass, the BF-3 is versatile and can adapt to any musician's needs. It provides stereo outputs for a fuller, more immersive sound.
The BF-3 is an affordable, compact, and easy-to-use stompbox that brings the legendary BF-2 sound to your rig while adding a few upgrades. The BF-3 is backed by BOSS's 5-year warranty, ensuring you get a reliable, high-quality pedal that withstands the rigors of regular use.
Key Features:
- Ultra and Gate/Pan modes for ultra-fat flanging with very low noise
- Momentary mode for instant flanging
- Tap-tempo adjustable via pedal
- Separate inputs for guitar and bass
- Stereo outputs
- BOSS's 5-year warranty
Owner's manual
Boss BF-3 Flanger User ManualProduct specs
| Pedal Type | Flanger |
| Inputs | 2 x Instrument |
| Outputs | 2 x 1/4" |
| Power Source | 9V DC power supply (sold separately) |
| Batteries | 1 x 9V |
| Height | 2.4" |
| Width | 2.9" |
| Depth | 5.1" |
| Weight | 0.9 lbs. |
FAQs
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Can the Boss BF-3 Flanger be used with both guitar and bass?
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Yes, the Boss BF-3 Flanger is designed for use with both electric guitars and bass guitars, providing versatile flanging effects for both instruments.
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What power supply is required for the Boss BF-3 Flanger?
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The Boss BF-3 Flanger requires a 9V DC power supply with a center-negative 2.1mm barrel connector. It can also operate with a 9V battery.
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Does the Boss BF-3 Flanger offer stereo output?
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Yes, the Boss BF-3 Flanger features two 1/4" outputs, allowing for stereo output to create expansive flanging effects.
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How does the Boss BF-3 Flanger differ from previous Boss flangers?
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The Boss BF-3 Flanger includes additional modes such as Ultra and Gate/Pan, offering more sound-shaping options compared to its predecessors.
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Is the Boss BF-3 Flanger easy to integrate into a pedalboard setup?
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Yes, with its compact size and standard 9V power requirement, the Boss BF-3 Flanger is easy to integrate into most pedalboard setups.
Videos
BOSSchannel
BOSS BF-3 Flanger [BOSS Sound Check]
Reviews
PROS
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Versatile, offering a range of sounds from subtle to radical
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Works well with both guitar and bass, featuring separate inputs
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Stereo option enhances spatial effects
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Durable, high-quality Boss construction
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Includes unique modes like gate/pan for creative soundscaping
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Momentary mode allows for dynamic effect application
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Integrates well with both clean and distorted signals
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Provides both classic flange and additional effects like tremolo
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Easy to tweak and find unique settings
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Colorful, engaging design with easy battery access
CONS
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Signal boost when engaged can be problematic live
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Digital sound may lack the warmth of analog predecessors
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Can be complex to dial in desired sounds
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Some users find it less integrated with signal chain
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Buffer may slightly cut high frequencies in clean tone
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Boss BF-3 Flanger.
Features and functionality
Comparisons
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The BF-3 is essentially a digital recreation of the BF-2's sound, with added depth and rate control, making it versatile in various musical contexts.
Source -
The BF-2 is analog and provides a warmer sound, whereas the BF-3 offers a digital, more precise tone with additional settings beyond the BF-2's capabilities.
Source
Critic Reviews
4.5 out of 5
Based on 28 Reviews and 148 Ratings
127
A Tone-Bending, Always-On Friend
This pedal is warm and groovy. I keep it always on. It bends the pitch enough to make your tone unique but subtle enough to add more layers of effects. I put it at the start of my signal chain.
903
"The" Flanger
Truly covers all your flanger needs. I find that it sounds the best when you set it up as a flanging chorus, it makes the guitar bloom in a very musical way which is even better in stereo. The "ultra" mode is great paired with distortion when soloing as well.
266
esoteric
this really is a niche pedal, it is hard to get a usable sound out of it. but, it does have still plenty of usable and unique sounds, it's just that you have to go out of your way to find uses for the sounds this pedal offers. it's definitely a pedal to use sparingly, but effectively.
Preferred Settings + Usage:
Genres: Punk Rock, Hard Rock, Blues Rock
163
flanger.
I dont have a lot to say about it, but is an aswome pedal. The gate/pan let you do some nice stuff like a stutter or vibrato (depending the output you're using). And you can do a lot of different mods with it like a chorus for exemple.
269
A very versatile and neat flanger, BUT...
The main issue with this flanger in my experience is that it boosts your signal when you engage it. This has been an issue with playing live. Other than that issue, it's a pretty nice flanger with great modes and creative possibilities. However, I've been going back to my Boss MD-200 for modulation now, as the flanger on that does not boost your signal when you engage it.
194
It works, but I was hoping to be more impressed
Its...a flanger. I got this hoping it would be a good replacement for my DOD FX-75B (the footswitch on it bothers me and mine produces audible flanging even being the only ON pedal and with the guitar muted). It definitely works as advertised, but not the way I wanted. Unlike the sound I go for, this flanger sounds a bit more...."on top" of the sound rather than "integrated with" the sound. The bass option is a good perk though; having failed to replace my DOD on my guitar board, this ended up actually expanding my bass board. Which in turn made me get more serious about bass.
I guess it fits other people's styles, but until I find the circuit I want in a flanger, its a standby.
3982
Get the BF-2 instead
BOSS discontinued the analogue BF-2, which formed the basis of the classic Robert Smith guitar sound, in the early 2000s, and they replaced it with this. I suppose they were trying to update the pedal for a new Millennium. And yes, it's got more options; a standard mode, an Ultra mode, a slicing/pan mode, it's stereo, and it'll take a bass, and there's a momentary switch so you can add the effect at certain points only, and....
...and it doesn't sound anything like as good as the BF-2. This is a digital flange effect with none of the mystery, depth and vibe of its predecessor. Just get that instead.
41029
see, their updated phaser is a great pedal, totally unappreciated, awesome new features! but who sues an 80s boss phaser anyway? When i think phasing I don't think of Boss. But the BF2 was so iconic they shoulda made it until the end of time, unchanged.
3982
Yes, I've noticed how good the PH-3 sounds on demos online. It can offer some truly 21st Century phasing effects with its upwards and downwards modes and its step filter. It can also do a sort of almost pseudo wah on lead lines if you crank the resonance. I think that might be my next BOSS pedal, actually, as it makes a change to the MXR/Small Stone thing, and no-one is really using the PH-3, so it's a good way of sounding different. Graham Coxon's got one though: he knows!
41029
its a little killer, got oen a little after it came out after my friend's little brother let me try his. He got one just because he was into all thigns Boss but iw as like "step LFO!"
41029
usually modern Boss is badly retreading their glorious past, crunching out qulity budget boxes and making abd simualtions of Roland branded FX but there are a few recent jems like the PH3 and that insane Slicer pedal that remind me how good Boss can be
189
MORE than a Flanger
This pedal offers incredible versatility, with the quality of Boss and saving space on your pedalboard.
From Vibrato, Chorus, Tremolo to the Flanger that it rightly mentions. There's even a setting where you can achieve a ''vintage'' texture that sets the mood like a vinyl, similar to the LoFi junky from Zvex, it's just a matter of experimenting.
This review has been translated automatically into English. See original390
Strange but GREAT!
I've never been much of a Flanger type of guy but I got this one out of luck from a friend who gave it to me. I've been experimenting with it and using it in a lot of tracks just to get the hang of it, which has been strangely awesome! My new band and I love how it interacts with the rest of our music, and how it adds this crazy vibe to whatever we're doing at the moment!
166
Flanger to get the job done!
The BF-3 is a great digital flanger that is easy to set up (given you play around with the settings for an hour maybe first). The buffer in the BF-3 can cut a bit of your highs off in the clean sound, but with overdrive and distortions you wouldn't notice it, I recommend throwing the BF-3 in the amps effects loop or even putting it in a true bypass loop to protect your 'Tone'. I played through other flanger pedals and this one is the one that can do Flanging and other modulation effects the best! the gate/pan mode can be used as a Tremolo in mono and sorta a Uni-vibe in stereo amp setups. the ultra mode is great for wacked out Flanging. But the Standard mode and momentary mode (which is standard mode with, well the momentary application) is where this pedal sits better for my application, if you set the 'Res' knob low and the 'Rate' knob high you can easily get chorus sounds, even Phaser with the right settings. If you're unsure where to start with your modulation pedal search, I recommend the BF-3 or any flanger with (a manual knob which is essentially the delay time), even if flanger isn't your thing, you can cop some other modulation pedal sounds from this one effect alone.
Artist usage
Add artist
In the stack of pedals, in the back is what seems to be a Flanger. The knobs are black so it must be a BF-3.
En el minuto 1:37 de la versión en vivo (del disco Pastel) de "Plástico", se puede ver el pedal en la pedalera de Paco.
Also within the tabs, J says that they use this flanger pedal. Alongside the reverb and whammy.
In a user-uploaded photo, William Menjivar's pedalboard includes the Boss BF-3 Flanger.
Chris Head uses a Boss BF-3 Flanger, visible at the bottom left of his pedalboard, as shown in his Instagram post.
"Donna's pedalboard rig, referred to by her techs as "The Starship", consists of 21 pedals across 3 interconnected boards. It was built by Craig Pattison Rig Design and includes a TC Electronic Flashback Delay, Vortex Flanger and Hall Of Fame Reverb, and a BOSS Blues Driver BD-2, Flanger BF-3 and Loop Station RC-30, among others. Donna's love of feedback is evidenced in her use of an EBow, as heard on the song "ANOTHERLOVE" from Prince & 3RDEYEGIRL's debut album, PLECTRUMELECTRUM and “MR MAJESTIC” from her debut album, DIAMONDS & DYNAMITE. Most recently, Donna has been experimenting with the Empress Echosystem Dual Engine Delay that features up to 35 presets ranging from classic to obscure sounds. She uses the pedal in-stereo creating complex delays by assigning unique settings to multiple cabinets."
From Donna's website.
Jack Dolan used the Boss BF-3 Flanger during his 2016 winter tour, as shown in an image shared by wavvegoth on Imgur.
"The DD-7. I love it. Right now I use two of those, a [BF-3] flanger, a [TU-2] tuner, and my wah. That’s it in my board right now—pretty simple," says Mike, in this interview, with Boss.
Album Usage
The Boss BF-3 Flanger has been featured on the following albums:
Genre Usage
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Used With
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Community setups
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Sinceramente a mi me va mejor el BF3 que los demás. Todos necesitamos/buscamos sonidos y texturas diferentes, según lo que queramos lograr. Los puristas dirán que es mejor el análogo, pero no hay mejores ni peores.
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