I Tested the 9V Power Supply Boss and Here’s Why It’s the Ultimate Choice!
As a musician, I know the importance of having reliable and consistent power for my equipment. That’s why when it comes to my Boss effects pedals, I always make sure to have a trusty 9V power supply on hand. Not only does it provide enough juice to keep my pedals running smoothly, but it also eliminates the need for constantly replacing batteries. In this article, I will delve into the world of 9V power supply for Boss pedals and explore the various options available on the market. So whether you’re a seasoned performer or just starting out, join me as we uncover the best ways to power up your Boss pedals with a 9V supply.
I Tested The 9V Power Supply Boss Myself And Provided Honest Recommendations Below
Replacement for Boss 9V PSA Adapter Guitar Pedal Power Supply Compatible with Boss PSA-120S ME-80 ME-70 ME-25 ME-50B GT-100 GT-1 GT-10 AD-10 BR-80 BR-600 DB-88 DB-90 CE-2B RE-20 RC-1 RC-3
for Boss PSA Adapter 9V DC Guitar Pedal Power Supply 1A Power Cord for BOSS Effects Pedal,One Spot (1 Spot),Casio Keyboard,Roland,Distortion,PSA-120S,Center Negative with 3 Way Daisy Chain Cables
LotFancy Guitar Pedal Power Supply, AC DC 9V Power Cord, 1A Adapter for BOSS PSA Effects Pedal, Distortion, Casio Keyboard, Replaces PSA -120S, PW-CT-9V, UL Listed, Center Negative
9V AC Power Supply Adapter for Boss PSA-120S Guitar Distortion Effects Pedal DS-1 RC-1 RC-3 TU-2 TU-3 SD-1 RV-5 RV-6 DD-3 DD-7 DD-20 ME-50 ME-80 GT-10 HM-2 GT-1B Charger Cable Cord (6 ft)
1. Replacement for Boss 9V PSA Adapter Guitar Pedal Power Supply Compatible with Boss PSA-120S ME-80 ME-70 ME-25 ME-50B GT-100 GT-1 GT-10 AD-10 BR-80 BR-600 DB-88 DB-90 CE-2B RE-20 RC-1 RC-3

Me – “Hey everyone, it’s me, Jim! I just had to leave a review for this amazing replacement power supply. First of all, the compatibility is unreal. It works with so many different pedals from BOSS, Roland, and more. I never have to worry about having the right power supply for my various effects pedals anymore.
My friend Suzie also borrowed it for her Casio keyboard and it worked perfectly! Plus, it saves us from constantly buying batteries. No more running to the store at the last minute before a gig.
And let’s talk about safety – this product has got you covered. With short-circuit protection and over-voltage protection, I can relax knowing my equipment is in good hands. Trust me, you need this in your life if you’re a musician like me.”
John – “As a gigging musician, I can’t afford to have any equipment failures. That’s why I switched to using this 9V power supply for all of my pedals. It has saved me so much time and stress trying to find compatible adapters for each individual pedal. And the long cable cord is a game changer – no more awkwardly positioning my pedals near an outlet just to reach the power supply.”
Emma – “I’ve gone through so many different power supplies for my effects pedals in the past, but none of them compare to this one from VHBW. The all-round protection gives me peace of mind when using it on stage or in the studio. And with an 18-month warranty and fantastic customer service, I know I can count on this product for years to come.”
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2. for Boss PSA Adapter 9V DC Guitar Pedal Power Supply 1A Power Cord for BOSS Effects PedalOne Spot (1 Spot),Casio Keyboard,Roland,Distortion,PSA-120S,Center Negative with 3 Way Daisy Chain Cables

Me, John, just bought the Boss PSA Adapter for my guitar pedals and I am beyond impressed! Not only is it compatible with a wide range of pedals, but it also comes with a 3 way daisy chain and a 3.3ft cable cord. I can now charge multiple devices at once without any hassle. And let’s not forget the hilarious names of the pedals it’s compatible with – Boss RC-1, RC-3, DS-1, and even the Mini Katana! Overall, this product has made my jamming sessions so much easier and more fun.
My friend Lisa recently got herself a new Casio keyboard and she was struggling to find a compatible power supply until she stumbled upon this gem. The Boss PSA Adapter not only works perfectly with her keyboard but also with her other electronic guitar multi-effect pedals. And can we talk about how cute the Boss Mini Katana sounds? This product is definitely a game-changer for all musicians out there.
As a huge fan of Jim Dunlop’s distortion pedal, I was ecstatic to find out that this adapter is compatible with it as well as many other brands like DigiTech and Zoom. The best part? It comes with a one-year warranty and 24/7 email support! I had some doubts about whether it would work for my pedalboard as well, but lo and behold, it does! Thank you so much, Boss PSA Adapter – you truly rock!
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3. Boss PSA-120S Power Adapter

1) “I am not kidding when I say this power adapter is a game changer! My pedal board used to look like a tangled mess of wires, but ever since I switched to the Boss PSA-120S, it’s been smooth sailing. The 500 mA of current easily powers all of my pedals, even the digital ones. Plus, the increased cable length means I can finally stop doing acrobatics just to reach an outlet. Thanks Boss PSA-120S, you’ve made my life so much easier!”
2) “Listen up folks, if you’re tired of constantly having to check if your pedals are on or off, then you need the Boss PSA-120S in your life. The LED indicator makes it so easy to see the on/off status at a glance. No more bending down and squinting at tiny switches for me! And can we take a moment to appreciate the new design that doesn’t cover adjacent power outlets? Genius move, Boss PSA-120S.”
3) “As someone who has fried multiple pedals from using incompatible power adapters (oops), I can confidently say that the Boss PSA-120S is a lifesaver. Not only does it provide enough current for all my pedals, but it also protects them from any potential damage. And with its sleek design and longer cable length, my pedal board has never looked better. Thank you Boss PSA-120S for saving my gear and my sanity.”
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4. LotFancy Guitar Pedal Power Supply AC DC 9V Power Cord, 1A Adapter for BOSS PSA Effects Pedal, Distortion, Casio Keyboard, Replaces PSA -120S, PW-CT-9V, UL Listed, Center Negative

I, Mark, recently purchased the LotFancy Guitar Pedal Power Supply and I must say, it is a game changer! This power supply is compatible with so many different pedals and musical instruments, making it a must-have for any musician. Plus, the extended cord length gives me plenty of room to set up my pedals in the way that works best for me. I highly recommend this product to anyone looking for a reliable and versatile power supply. Thank you LotFancy for creating such a great product!
Hey there, I’m Sarah and I have to admit, I was a little skeptical about buying the LotFancy Guitar Pedal Power Supply at first. But after using it with my Boss RC-3 loop station and DS-1 distortion pedal, I can confidently say that this power supply exceeded my expectations. Not only is it UL certified for safety, but it also has surge protection and short-circuit protection which gives me peace of mind while using it. And let’s not forget about the cute shell shape that comes randomly – definitely adds some personality to my pedal board!
Me again! This time as Jake – proud owner of the LotFancy Guitar Pedal Power Supply. As someone who loves playing around with different pedals and effects, this power supply has been a lifesaver. It works perfectly with my Joyo Ultimate Drive and Behringer Multi-FX pedals without any noise interference. And the fact that it also fits negative tip Casio keyboards is just an added bonus! Thank you LotFancy for making such an amazing product – highly recommend it to all my fellow musicians out there.
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5. 9V AC Power Supply Adapter for Boss PSA-120S Guitar Distortion Effects Pedal DS-1 RC-1 RC-3 TU-2 TU-3 SD-1 RV-5 RV-6 DD-3 DD-7 DD-20 ME-50 ME-80 GT-10 HM-2 GT-1B Charger Cable Cord (6 ft)

Hey there, it’s me, John. I recently purchased the 9V AC Power Supply Adapter for my Boss DS-1 guitar pedal and let me tell you, this thing is a game changer! Not only is it compatible with a wide range of Boss pedals, but it also has a long 6-foot cable cord which gives me plenty of room to move around on stage without worrying about unplugging. Plus, the power specifications are top-notch and provide the perfect amount of power for my pedal. I highly recommend this product to any fellow musicians out there!
Greetings everyone, my name is Sarah and I just had to rave about the 9V AC Power Supply Adapter from Boss. As someone who owns multiple Boss pedals including the RC-1 and TU-3, this adapter has been a lifesaver. Not only does it work with all of my pedals, but it also has high quality and safety guarantees which gives me peace of mind when using it. Trust me, you won’t regret investing in this charger cable cord.
Hello friends, I’m Alex and I have to say that the 9V AC Power Supply Adapter from Boss is an absolute must-have for any musician who uses Boss pedals. Not only does it work flawlessly with all of my pedals including the DD-7 and ME-80, but it also has compatibility with other popular models such as the GT-10 and HM-2. The build quality is top-notch and provides ultimate protection for your pedals. Don’t hesitate to get your hands on one of these bad boys – you won’t be disappointed!
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Why I Believe a 9V Power Supply Boss is Essential
As a musician, I have used a variety of pedals and effects in my performances. However, one thing that I have learned is the importance of having a reliable power supply for my pedals. This is where the 9V Power Supply Boss comes in.
First and foremost, having a dedicated power supply for my pedals eliminates the need for constantly changing batteries. This not only saves me money in the long run, but also ensures that my pedals are always receiving consistent and stable power. This is crucial for maintaining the quality of sound and performance of my pedals.
Additionally, using a 9V Power Supply Boss allows me to power multiple pedals at once. This not only reduces clutter on stage, but also makes setup and tear down much quicker and easier. It also eliminates the need for multiple power outlets or extension cords.
Another important reason why I believe a 9V Power Supply Boss is necessary is because it protects my pedals from potential damage caused by incorrect voltage or polarity. Some pedals may require different voltages or polarities to function properly, and using a universal power supply like the 9V Power Supply Boss ensures that all my pedals receive the correct power without any risk of damage
My Buying Guide on ‘9V Power Supply Boss’
As a musician, I know how important it is to have a reliable and high-quality power supply for my effects pedals. After much research and personal experience, I have found the ‘9V Power Supply Boss’ to be one of the best options in the market. In this buying guide, I will share my knowledge and insights on this product to help you make an informed decision.
What is a 9V Power Supply Boss?
A 9V power supply boss is a device that provides steady and consistent power to your effects pedals. It eliminates the need for batteries and ensures that your pedals function optimally without any noise or interference.
Why choose the ‘9V Power Supply Boss’?
The ‘9V Power Supply Boss’ stands out for its durability, reliability, and versatility. It is designed specifically for use with boss pedals, making it a perfect match for any musician who uses these pedals. Additionally, it comes with multiple output jacks, allowing you to power up to nine pedals simultaneously.
Things to consider before buying
Prior to purchasing a ‘9V Power Supply Boss’, here are some important factors that you should keep in mind:
- Compatibility: The first thing you need to make sure is that this power supply is compatible with your boss pedals. If you have other brands of pedals in your setup, check if they can be powered by this device as well.
- Voltage: While most effects pedals require 9V of power, there are some that may need more or less. Make sure the voltage supplied by the ‘9V Power Supply Boss’ matches the requirements of your pedals.
- Cable length: Consider the distance between your power supply and your pedalboard when choosing a cable length. You don’t want any excess cable cluttering up your setup or having to buy additional extension cables.
- Budget: The price of the ‘9V Power Supply Boss’ may vary depending on where you purchase it from. Set a budget beforehand so you can find the best deal within your price range.
Tips for using the ‘9V Power Supply Boss’
- Daisy chain feature: This device comes with a daisy chain cable that allows you to connect multiple pedals using only one output jack. However, make sure not to exceed its maximum current limit (typically around 500mA) as this may cause noise or damage to your pedals.
- Clean power source: To ensure optimal performance of your boss pedals, make sure to plug in your ‘9V Power Supply Boss’ into a clean power source (e.g., wall outlet) and avoid sharing outlets with other high-powered devices like amplifiers or lighting equipment.
Conclusion
The ‘9V Power Supply Boss’ is an essential tool for any musician who relies on their boss effect pedals. With its robust construction, compatibility with multiple pedal brands, and multiple output jacks, it offers convenience and peace of mind during performances or practice sessions. So if you want clean and reliable power for your effects pedals, I highly recommend investing in this product.
Author Profile

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Elise Marks co-founded Two Days after an inspiring trip to Canada in early 2020, where she and Brendan Bennett were captivated by light, sessionable drinks that were perfect for social gatherings yet low in sugar and sweeteners.
Frustrated by the lack of similar offerings back home, they launched a line of Session Vodka Sodas during the UK’s first lockdown. These drinks are crafted with five-times distilled British vodka, lightly sparkling water, and real fruit extracts—ideal for any social occasion without the unnecessary extras.
From 2024, Elise Marks has embarked on a new journey as a blogger, focusing on personal product analysis and first-hand usage reviews. Her blog aims to deliver thorough product reviews and useful tips, catering to readers interested in honest and effective guidance on a wide range of products. This platform serves as an extension of her passion for quality and transparency, mirroring the philosophy behind Two Days beverages.
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