I have a drum and bass band and picked up this box for a little boost and clean up the bass sound going into studio. The boost clears helps clear up the bass tones and gets some additional clarity on top. Highly recommend, it's well worth it!

I put my Zio at the front of my chain, and … wow! I had been using a simple clean boost, but switching to the Zio has been a revelation. It adds quite a bit of definition and clarity to my tone, and despite the assortment of tone settings, it's very easy to dial in. It doesn't hurt that it's a boost too, although there are times that I wish I could control the boost and tone shaping functions separately.

The secret sauce pedal. This pedal first in your chain just makes everything after it better. Once you try it you won't want to play without it on. Gregg Block was once again spot on with the recommendation. It's not just a "drive" pedal …

The ultimate "always-on" pedal for your rig. This pedal will allow you to sculpt the core tone of your guitar as it hits your overdrives and amp. The four preamp circuit options are all totally unique and the three capacitance options will further refine the tone. There's plenty of boost on tap and the volume taper allows precise control over how much you want to drive your OD pedals or amp. I really recommend this pedal!

Liked it so much on board #1 with a Dream65 and Ruby63 (stereo pedalboard), that I put it on my board #2 with Strymon Iridium (mono pedalboard Marshall setting only). I like each of the four pre-amps. Between them and the cable length setting, you've seriously got your base tone covered.

This pedal is fantastic! Extremely versatile and sounds and feels great. Stack this with your favorite overdrive and create any tone you want. Very simple to use and every boost is different and useable. Not a bad sound in this pedal. The perfect always on tone enhancer that works with any amp or rig. The ultimate pedal for tone chasers!!!

I was very disappointed with the SA Z10 pedal, as it is more of a pre-amp/EQ combo than an actual boost pedal. I was simply looking for a clean boost, and this is not it. I will use it on some of my keyboards in order to add some "hair" to their tine, but I found noting positive about the way it altered the guitar tone and the addition of unwanted gain vs. boost volume. If you're looking for a simple, straight forward clean boost pedal, this is not the pedal for you.

There are so many options for this great pedal. Right now the Studio setting is my go to setting. Tone switch works better then I expected. Between the four modes and three tone settings and 20db of boost there is nothing I can't find with this pedal

I tried using my ZIO as a lead boost placing it just after my RevvG3, and found that it tightened up the low frequencies, but the overall result included an undesirable harshness to the upper frequencies.

I contacted the good people at Source Audio who advised me that they had designed the ZIO as a buffer that works optimally when placed first in the guitar signal, even before a tuner.

Now I get the tight low frequencies that I was looking for, Low-Cut option.

The circuit knob broke, which seemingly proves the knobs should be higher quality. That said, I probably should have added this pedal into one of the loops on my ES-5. I ran it into the main input of the ES-5 and I think it's possible that caused an issue where when the input was at noon, it introduced a bit of fizz. This is a cool pedal though. This is a "finishing touch" kind of pedal that I believe should be at the front of the signal chain and your guitar should go into it first...maybe second after your compressor. I returned it for a WA EB-10. I could see myself taking another shot at this pedal down the road. I only returned it because the circuit knob was broken and the WA EB-10 looked like a more sturdy pedal. So I guess my only minor gripe is that the pedal feels very light and maybe not the highest quality knobs. But the idea behind this pedal is spot on.

Using it as entry point to a multi pedalboard multi amp rig. Using the Mute setting to silence all.
Very Quiet, Great choice of pre-amp models & a boost/level control. Well Done!

I'm really happy with my tone and setup. I played the Zio and it sent it over the top. Then when I turned it off my whole tone went flat. While the pedal does boost, to me it was much more valuable as an always on preamp that sweetened everything up. The studio setting in front of my first drive was magic.

I use this in front of a Kemper or in the 1st mono effects stomp loop. It cleans up the signal and can subtly shape it without heavy handed coloration like most boost / OD pedals like the 808 flavors add. You have the option of using a 9volt power supply or for increased headroom you can run it at 18volts. I use the latter and the direct out of the Kemper is pristine for recording into the DAW if needed.

It delivers as advertised - it just sounds better. That Extra 10-15% to a better tone!

Received the Zio two days ago and in all honesty, it has become my favorite pedal,
and I own some fabulous pedals. The four different pre-amps are each wonderful and different and will enhance your tone! The three tone position switch works great and depending on your cable length ensures your sound stays the way you want. The tuner out is also a great feature! I highly recommend buying this pedal, you will not regret it! Thanks Sweetwater for your wonderful service.