On paper the Vertex Pedalboard Mounted Buffer Module appears to be a well designed product to pair with Vertex's pedalboards. The modular integration with the brand's pedalboard along with the excellent sounding (and feeling) input and output buffers are its strengths. As designed, the buffer module only passes signal when supplied power. It would've been nice to integrate push buttons that could turn each buffer on or off; allowing users to also use the patch bay in a passive/powerless configuration.

It also would have been nice if a batch hadn't shipped from Sweetwater missing the mounting screws. Mine showed up without screws. I contacted Vertex directly who promptly mailed the screws directly to me. What is more problematic is the labeling of the jacks. As another reviewer said, the labeling on the send and return jacks is backwards. How this product shipped with such a critical error to its user experience is beyond me. Considering the excessive price (and the long wait time due to backorder), the execution in reality left me wanting for a better consumer experience. That said, after I got the missing screws, and once I realized it had two critical patch points mislabeled, it is working well and does sound good.

My takeaway is this: just because a brand like Vertex can talk gear on YouTube and get its products on Sweetwater, that doesn't mean the brand can effectively ship a product to market. In the future, I'll be sure not to conflate the two.

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But I will tell you this much why such a bad rating. Because the people that were involved with this item thought it was a amazing idea to mirror the outputs of your amp rather then the signal "direction path". What do i mean by this here is an example

"Send and Return" Normally, when your sending something it goes out, correct? Likewise, if you return something it comes back!

Well in all there genius what they did instead is mirror the AMP FX loop so send is suppose to connect to send and return is suppose connects to return.

-So it work, yes
- is it a clean setup, yes
- does it do as advertised - yes


I am just so frustrated i spend hours checking cables and such and it wasnt untill i watch the video on how to connect 4 cable method from there advertisement that i was like WTH? I know someone else in the review had the same excat issue i was facing but before you think well i should have read the Manuel (there is none). Also, EVERYBODY follows the signal path...

The rating is for the Sunday I lost playing and enjoying stereo.
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Works nicely if you have a Vertex Pedal Board. Good Match if you don't already have a Buffer or need one.

First things first, the buffers are well designed and the box is compact. So functionality it is a good product. However as an audio engineer, the layout and labeling of the jacks is absolutely asinine. Although they are labeled as: guitar, send, return, and left and right out, which would be a perfectly logical layout for common signal flow needs, they are not labeled correctly. The "send" is actually a return, and the return is a send. So they are physically backwards and labeled in an unnecessarily backwards and confusing manor.

Appears I wasn't the only one who was missing the installation screws. Sweetwater got them to me overnight. The module doesn't fit when just installing it. The casing is too tall. If you unscrew the screws under the board that attach the riser a turn or turn and a half the module fits then re-tighten the board/riser screws.

BUT mine is not currently passing signal from the input to the output on the other side. I've tested multiple cables and tested plugin a cable straight into the first pedal in my chain with no issues. The FX loop I/o jacks seem to be working just fine.

Updating my ticket with Sweetwater shortly.

Once the input jack is working this will be a great piece of gear. I wish they and hope they will make one with Midi I/o so I can cleanly route all my cabling including midi to and from my PBC6x

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As some reviewers said before it took a while to get here but I get it with supply chain issues and this is certainly not unique to this product. This buffer module worked great and solved the space issues and tone issues I had with other commercial buffers. Mine also had missing hardware screws but Vertex mailed them to me the day I received the buffer and brought it to their attention. I'm already planning to buy another one for another one of my pedalboards.

The Vertex effects pedal board is not a cheap pedal board and this was not a cheap buffer. Very dissapointed. The buffer works very well but I waited almost 7 months for it and when it finally arrived it was missing the hardware to install it. Fastforward 3 more weeks and the hardware arrived. I then tried to install it and it doesn't fit, I think there was an error in the machining because the screw holes DO NOT line up like the other side did with the power outlet. I'll include a pic of the power outlet where there is space between the screw, this once fits as it should. The buffer side does not because it is pegged against the screw so tightly that it cant fit.

I loved the Vertex Boost. I ordered power module took four month or more, the buffer module took 4 months to get here. What I thought was week or 2 week project is now a year. If a person announces a product on video blog it should be readily available or the customer is just lending the manufacturer money for a few months. This is basic service skills and please do not act like the fault is mine or blow this off.