Boss |SKU: BossBF-3

BOSS BF-3 Flanger Ultra and Gate/Pan Modes Guitar Effects Pedal with Bass Inputs

Regular price $142.99

Product highlights

  • New Ultra and Gate/Pan modes for ultra-fat flanging
  • Momentary mode turns flanging on instantly
  • Tap tempo adjustable via Pedal
  • Independent guitar and bass inputs and stereo outputs
  • Alkaline battery with approximately 4 hours of battery life

In the box

  • BOSS BF-3 Flanger Ultra and Gate/Pan Modes Guitar Effects Pedal with Guitar and Bass Inputs
  • Leaflet (Using the Unit Safely, Important Notes, and Information)
  • Registration Card
  • Alkaline Battery (9 V, 6LR61)
  • Owner Manual
  • Limited 5-Year Warranty

Free standard shipping

*Orders placed before 1 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy

Free Local Pickup

Please call for store stock availability. Requests made before 2:30 PM EST can be available for next-day pickup. Learn more

Questions? We’re Here to Help

Call or email one of our experts.

Building on the 20-year legacy of the famous BOSS BF-2, the new BOSS BF-3 Flanger Pedal gives guitarists and bassists an updated version of the classic BOSS flanger with the thickest stereo flanging sounds ever. Two new modes (Ultra and Gate/Pan) create stereo flanging with incredible depth even Slicer-type effects and sounds that seem to swirl around the listener.

DC IN Jack

It accepts the connection of an AC Adaptor (PSA series; sold separately). By using an AC Adaptor, you can play without being concerned about how much battery power you have left.

Check Indicator

This indicator shows whether an effect is ON/OFF, indicates the tempo (TEMPO mode), and also doubles as the Battery Check indicator. The indicator lights when an effect is ON.

Output Jack A (Mono), B

The output jacks are used to connect the unit to an amplifier or another effect unit. For mono use, make the connection to the OUTPUT A (MONO) jack.

Guitar IN Jack

This jack accepts input signals coming from a guitar, some other musical instrument, or another effects unit.

BASS IN Jack

This jack accepts input signals coming from a bass guitar. BASS IN is disabled when the GUITAR IN jack is used.

Shipping & Returns

  • Same Day Shipping


    All orders placed by 1PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

  • Free Standard Shipping


    We offer free standard shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).



  • Easy returns


    If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.


Frequently Asked Questions

How do I return an item?

Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.

Will I receive a full refund when I return an item?

You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.

How many days do I have to make a return?

You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 

My item was damaged in transit. How do I place a return?

If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage. 

There’s an issue with my order, what should I do?

Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.

Can I exchange an item?

We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.

If I ordered a kit, do I have to return all the items?

If you ordered a kit, you must return all components and accessories to receive a full refund.

I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?

If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.

Do you offer repairs?

We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.

What is your return policy?

Most items can be returned within 30 days for a full refund. Click here to read our full return policy.