Roland PSA-120S

9-volt, 500mA AC Power Supply for BOSS and Roland Effects
Roland PSA-120S image 1
Roland PSA-120S image 1
$29.00
Sweetwater Savings: $7.00 MSRP: $36.00
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Roland PSA-120S
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Get the right BOSS Power Supply!

The Roland/BOSS PSA-120 adapter converts AC wall current to 9 volts DC current. If you want to save money on batteries and ensure stable performance gig after gig, the BOSS PSA-120 adapter is the recommended power supply unit for products including many BOSS compact pedals, the DB-66/88 metronomes, FC-Series foot controllers, MC-202, SH-101, SP-202, TR-626, and all TU-Series tuners. Capable of powering any BOSS effect pedal, the Roland/BOSS PSA-120 can also power equipment with digital circuitry.

Roland/BOSS PSA-120 Features
  • Capable of powering any BOSS effect pedal, including those with digital circuitry.
  • Converts AC wall current to 9 volts DC current. Power supply designed to operate a multitude of BOSS and Roland products.
  • Regulated with a higher milliamp rating for use with digital equipment.
  • Output: DC9V (regulated), 500mA
  • Tip negative, sleeve positive
  • 3-meter cable
  • Status light that flashes if there are grounding problems
  • Small footprint (similar to a cell phone charger)
For consistent effects pedal performance night after night, gig after gig, choose the Roland/BOSS PSA-120 AC adapter!

Tech Specs

Output Amps 500mA
Output Voltage 9V
Sleeve/Tip Configuration Tip: Negative
Manufacturer Part Number PSA-120S

Customer Reviews

4/5
Based on 27 reviews
Write your review
5/5

FEEL THE POWER!!!

Well built, seems like it will last. Wish it had come with the ME-80. Seems a little crappy that I had to buy it separately. It works and seems like a good power cable.
Music background: Living Room Rock Star
5/5

Roland PSA--120S

Reliable and effective with plenty of cable length, love the green light indicator, get one for your Boss pedalbox and rock on with confidence.
Music background: Active working musician in Polynesian Show.
5/5

This power supply is a winner

I power my entire pedal board with this one supply. With 500 mA I can power 7-8 pedals in a daisy chain with no problem. Very good quality and works perfect with no noise. I have own this power supply for over two years with no problems whatsoever. This one is a winner and you cannot beat the price.
Music background: Professional musician
5/5

for Boss MT-2

Just got this so my pedal could have power. i like it.
5/5

Works great

Got this to power my DD-20 delay because it burned through batteries like nobody's business, I've been using it with a TU-3+parallel cord so it powers both pedals. It has a really long cord, so even if the outlet isn't close you have a good chance of reaching it. Overall, another good Roland product.
Music background: Former Worship leader/Backup Acoustic
See also: Power Adapters, Roland, Roland Power Supplies