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Introducing the HQRP AC Adapter:
UL Listed, with input ranging from 100V to 240V AC, and an output of DC 12V, 2A. Prioritizing safety, it features high efficiency, automatic overload and thermal cut-off, short circuit and over voltage protection, along with low interference and noise for reliable performance.
Redvan
Reviewed in the United States on March 15, 2025
Does not work with Rockman Bass Ace. Very noisy.
Girasol
Reviewed in the United States on July 19, 2022
It works perfectly with my Rockman UDG!
Jeremy Triplett
Reviewed in the United States on January 2, 2022
Good
banana
Reviewed in the United States on September 7, 2021
Its always good
Andre asselin
Reviewed in Canada on July 1, 2021
This unit does not fit the guitar ace by dunlop I purchased from Amazon. It was recommended in the page as the unit to power the guitar ace.The connection is wrong size. Very disappointed.
Ralph
Reviewed in the United States on June 2, 2021
The description of the item should have given it away. 12v? The rockman is a 9 volt system so this power adapter does not work. The company that sold it was great and gave me a refund quick but I feel bad for them when Amazon suggests this adapter in their bundle feature when it doesn't work for the item they're pairing it with. Once I went back and looked at the adapter individually you can select between 12v and 9V the rockman takes the 9V so don't make the same mistake I did. Once again the supplier was quick to get me a refund but I'm sorry to them they lost money because of that mistake. Not sure who that one is on??
tony k
Reviewed in Canada on April 22, 2021
To get the connector to make electrical contact with my Rockman Guitar Ace, I had to trim back the plastic housing around the adapter's connector so that it would fit into the jack/input of the Guitar Ace. Then.... When I got the adapter to work (by making electrical contact) the 12 volt out put of adapter altered the sound of the Rockman. It sounded "choppy." It didn't sound right. Yet... When using a 9 volt battery it sounded normal/okay. Running 12 volts into a device designed to run on 9 volts?! They got it wrong!! Plus... Running 12 volts into something designed to on 9 volts over a long period of time will likely cause damage. My solution was to buy a 9 volt AC adapter from Best Buy. The only good thing about the power supply was that I was able to determine the tip polarity as being positive because it was labelled on the power supply. It's too bad that the Rockman Guitar Ace doesn't have the tip polarity labelled on the unit itself.
robert ellis
Reviewed in the United States on October 23, 2019
When plugged into the Rockman, felt loose, like it wasn’t making good contact. Definitely didn’t think it would last over time, so it was returned.
S F Conrad
Reviewed in Canada on April 23, 2019
fine
Fernando H. Ramirez
Reviewed in the United States on December 30, 2018
Works great for the YAMAHA DD75. I bought one here on Amazon because I thought the DD75 I purchased didn’t come with it. Imagine my surprise when I realized the DD75 I bought from Sam’s came with the power supply. Keeping it as an extra.
D
Reviewed in the United States on February 26, 2017
Works like it needs to
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