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Keepin' It Old School
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Discussion Starter #1 (Edited)
I picked up the PBR300x1 just a few days ago and couldn't wait to get it on my test bench and see how it performs.

The birthsheet stated over 300 watts at 1ohm RMS and over 900 watts peak! This amp is TINY....almost small enough to fit in my pocket. See an overview of the amp in addition to testing bass output from an array of subwoofers ranging from 8-12"

I had plans on making one video for the unboxing, overview, subwoofer test and RMS wattage output test, but it was going to end up too long. I decided to break down the review into 2 parts. The first video includes the unboxing, overview and subwoofer test. I'll update this thread with the RMS wattage output I measure using my setup. I also have plans to test this amp out in my car to get an idea of how it works in a daily driver and will update and let everyone know how it performs in a modest setup.

Questions, comments and constructive criticism welcome...


See video on YouTube in 1080p HD

or embedded below:



*NEW* - See Part 2 of the Demo:

See video on YouTube in 1080p HD

or embedded below:





Also, some beauty pics:










 

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Thanks, D. Do you have the 2nd part of the review in the works?
 

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Keepin' It Old School
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Discussion Starter #4
I've been questioned and should emphasize, I purchased this amp...It was NOT sent to me by Rockford or anyone else to review and send back. I purchased the amp from Car Toys through Amazon and my review is completely unbiased (well, other than my liking for the old school Rockford amps). I just wanted to make this clear so people didn't think I was doing a "favor" for someone by reviewing this amp....
 

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I've been questioned and should emphasize, I purchased this amp...It was NOT sent to me by Rockford or anyone else to review and send back. I purchased the amp from Car Toys through Amazon and my review is completely unbiased (well, other than my liking for the old school Rockford amps). I just wanted to make this clear so people didn't think I was doing a "favor" for someone by reviewing this amp....
How do we REALLY know they didn't send this to you for review, HUH?

I would like to see documented evidence of all mail and packages
you receive at your home and workplace. Just to be sure I'll also need
to see the same documentation for all living relatives.
Maybe then we'll really know you are just sharing your experience
to help your peers make an educated buying decision.

Of course, I just posted this reply for fun. I appreciate it when I can
hear firsthand about a new product. Thanks a lot for taking a plunge
with this new technology.
 

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Keepin' It Old School
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1,028 Posts
Discussion Starter #6
How do we REALLY know they didn't send this to you for review, HUH?

I would like to see documented evidence of all mail and packages
you receive at your home and workplace. Just to be sure I'll also need
to see the same documentation for all living relatives.
Maybe then we'll really know you are just sharing your experience
to help your peers make an educated buying decision.

Of course, I just posted this reply for fun. I appreciate it when I can
hear firsthand about a new product. Thanks a lot for taking a plunge
with this new technology.
LOL! :laugh:

The main reason I stated this fact above is these days when you see a product review, it's usually from who? The manufacturer or a dealer? Are they going to say anything bad about the item? Doubtful. I think in order to retain ethics, I'll continue to buy my products for review and if I'm EVER sent one by a company or manufacturer, I will let it be known up front and won't hold back on the negatives....

Sorry to be so serious about this but I do take it seriously....and I spend mucho $$ on stuff to review and talk about, but it is my hobby and I enjoy making the vids.

Thanks as always for watching and commenting :thumbsup:

BTW, my aging computer crashed rendering the 1080p video of Part 2, so I'll do my best to have it online tonight. Time to stop buying audio gear and buy a new computer! :D
 

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Excellent review of this amp, thank you for sharing it with us. In your opinion could this be used to power my Alpine SWR-823D subwoofer effectively? I'm doing the sound system in my 2000 VW Gti, and want to maximize my space.
 

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My brother runs this mono and the 4 channel in his wife's Solstice. The mono runs a factory 8" at 2 ohm if I remember correctly. He was able to find a factory enclosure and sub for cheap. He was going to eventually replace it with an aftermarket. But he swears it sounds really good. I think for his application and just lack of space it's perfect. He loves it and swears by it and the 4 channel. If there was a 2 channel or the 4 was bridgeable I would definitely try em out.
 

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Keepin' It Old School
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Discussion Starter #9
Excellent review of this amp, thank you for sharing it with us. In your opinion could this be used to power my Alpine SWR-823D subwoofer effectively? I'm doing the sound system in my 2000 VW Gti, and want to maximize my space.
Thanks for the comment. This amp should provide your 823D with 250 watts of clean power at 1ohm (13.8v), so if you think that's enough for this sub, then it may just work for you. I want to get either an 823D or Image Dynamics ID8 D2 and see how this amp matches up. I bet two of these amps and two of either of those subs would be impressive!

Let us know if you pick one up how it works with the Alpine 823D.
 

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How do we REALLY know they didn't send this to you for review, HUH?

I would like to see documented evidence of all mail and packages
you receive at your home and workplace. Just to be sure I'll also need
to see the same documentation for all living relatives.
Maybe then we'll really know you are just sharing your experience
to help your peers make an educated buying decision.

Of course, I just posted this reply for fun. I appreciate it when I can
hear firsthand about a new product. Thanks a lot for taking a plunge
with this new technology.
Show me the birth certificate! uh, birthsheet!
 

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Keepin' It Old School
Joined
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1,028 Posts
Discussion Starter #11
My brother runs this mono and the 4 channel in his wife's Solstice. The mono runs a factory 8" at 2 ohm if I remember correctly. He was able to find a factory enclosure and sub for cheap. He was going to eventually replace it with an aftermarket. But he swears it sounds really good. I think for his application and just lack of space it's perfect. He loves it and swears by it and the 4 channel. If there was a 2 channel or the 4 was bridgeable I would definitely try em out.
Yeah, I was hoping RF would come out with a 5ch version using the two combined. I'm planning on getting the 4 channel one soon as well. Plans are to use both along with a JL Stealthbox in our Sequoia for a completely stealth system. Amazing with the size of the SUV, you'd think there would be room for amps...
 

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I have ordered this from Amazon and should be here by Friday. Review to follow based on my opinion. Looking forward to this lol.
 

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Keepin' It Old School
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Discussion Starter #15
I just updated the original post with the 2nd Part of my review, showing the RMS power output test...
 

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Keepin' It Old School
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Discussion Starter #17
Excellent.What toy:D are you testing it with in the vid?
I'm guessing you are referring to the o'scope? It is a Velleman HPS50. I also have a couple of resistor banks (only one is shown below). I can now support 4 ohm loads (1, 2 or 4 channels), 2 ohms (1 or 2 channels) or 1 ohm (1 channel). I can also support 8 ohm loads, but I only use these for testing home audio gear.

 

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I'm guessing you are referring to the o'scope? It is a Velleman HPS50. I also have a couple of resistor banks (only one is shown below). I can now support 4 ohm loads (1, 2 or 4 channels), 2 ohms (1 or 2 channels) or 1 ohm (1 channel). I can also support 8 ohm loads, but I only use these for testing home audio gear.

Nice little setup there.Now I want one.:) Thanks
 

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...yeah....gonna need to see a gut shot!!!!

If I ask real nice you figure you could pop the bottom off so we could see how much **** RF was able to pack in a 5 pound sack????
They not only have a power supply and outputs big enough to make 300(ish) but also XO in that small box? Kudos to RF no doubt.

BTW:

REALLY enjoy your reviews and vids. Cool stuff and keep up the good work.

~JH
 

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I knew there was something suspicious about Dereck...he's a Heel fan!!! LOL!
Wondering how RF got to their claim of 315 watts rms @ 1 ohm with less than 1 volt more without clipping? That's about 20% more output.
And honestly, they should just leave that "944 watts peak" junk out. I've always thought RF should be beyond outlandish claims like that. The only way that little amp is going to make 944 watts is if a Delorean and a Clock Tower are involved.
Another good job Dereck!
And GO CATS!
 
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