Thursday, March 19, 2026
BassBass Guitar

Source Audio C4 – Full Demo


The Quest for #tone continues today with a look at the C4 Synth by Source Audio https://amzn.to/2PBGBp1. Be sure to check out the FIRST IMPRESSION live stream that I did with it a few weeks ago if you really wanna dive in deeper with it https://thebassi.st/2mGkMKb

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#Source #Audio #Full #Demo

Originally posted by UCFaQQPCAUkyG3kcTP0TeGag at https://www.youtube.com/watch?v=giAMXCRQt9k

49 thoughts on “Source Audio C4 – Full Demo

  • Dude, I’m really starting to love your reviews. You present a very experienced and balanced viewpoint and do a good job of separating the difference between a “con” and a “use case”.

    As a guy interested in this pedal, I’m tired of hearing people complain about the lack of on-stage control. Having some edm production experience, it takes time to build sounds – I have whole “sound design” sessions that work only on sound for a track. At a certain level, I believe that showing up “prepared” for practice/gigs/sessions includes having tone worked out (obviously subject to change depending on venue/engineer desires).

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  • Octave tracking gets better if you put an eq before the C4 and roll off all your highs. the upper partials on the low note are part of what confuses the tracker. won't completely solve it, but it'll help

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  • I got one of those it's hard to program with so many options and just need to just send a loop through it and start tweaking until I know what all the parameters do so I can start making my own patches instead of going through a zillion patches every one else came up with it's capable of so much

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  • Hello, do you have these sweet settings as custom tone prints for the PC/MAC side of the pedal, or are you using some of the preset functions with whats already built into the custum settings and tweakingit all there? I'm really digging this pedal and all your playing on other channels I've seen you on. Thanks in advance, liked & subscribed!

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  • You deserve some commission. The usable 80s and EDM tones sold me. Folks tend to focus too much on weirdness during synth pedal demos.

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  • Wanted to comment on what you mentioned around 6:50 – the C4 supports full midi mapping, which means you can actually assign the knobs on a MIDI controller to control any of the pedal's parameters. You'd have to set it up using the app beforehand, but you wouldn't need the app for the actual performance. Once you've assigned the params you'd like to have available, you're basically adding an endless amount of knob control to the pedal.

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  • I cant get anything to sound good, i think mine might be broken. These presets dont even come close to the sound on this video. What am i doing wrong. I just get a fart noise. I am also never able to adjust the input, the light never turns red like the manual said.

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  • When you hit 21 it's time to put your hat on straight. You look like you're cosplaying as dennis the menace

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  • Thanks for being honest. That legato octave low to high isnt a deal breaker, but it's solid info that could potentially turn some ppl off who are super fast or in the moment. My position is that a synth pedal is like a magnet from a robot. It's NOT natural. If I wanted natural, I'd click it off.

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  • Two questions. Can it do a clean octaver effect with no synth (and if so how does it stack up to the EBS Octabass), and is it capable of encompassing the gnarly Bit Commander soundscape?

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  • A lot of people are buying this over the Spectrum because you can load Spectrum presets on the C4. I bought the Spectrum because I find an envelope filter and octaver more useful (actually I just love envelope filters) and you dont have the ability to tweak those Spectrum presets with the controls on the C4 and anyone thats ever owned an envelope filter knows that control knobs are your friends.

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  • Incredible demo, I'm sold. I'm using the EHX Bass Micro Synth which is amazing fun but has its limits(heavily gated like it or not), but I'm absolutely going to add a C4 to my board ASAP. Thanks for the demo!!

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  • Your "Talking to Aliens" sounds like it could be a "new" track from Larry Fast/Synergy 🙂 Very cool! Thanks for a great demo and for the Podcasts. They're very entertaining and informative!

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  • Awesome video, Jayme. I love that you demo'd some useful tones. Bunch of videos out there already showing off the weirdness, but I was looking for sounds I'd actually use playing with others. So thanks for that! FYI, from what I've seen, I think there is a toggle button on the top, where the connectors plug in, that switches to an additional 3 presets using the toggle, so 6 presets in all. Cheers!

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  • Dude. These are RIDICULOUSLY cheap for the functionality. Holy crap.

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  • That 3 position toggle is capable of 6 presets, not 3. Press the button on the back of the pedal and then flip the toggle switch. Led turns red, boom, you're in a different bank. To get full midi access you need to buy additional hardware. You could of course assign your preferred patches over the top of the 6 factory presets if you don't want to go full midi by using your phone (1/4 to 1/8 cable included for this purpose). Then it's a matter of selecting the patch before you start playing. Personally I bought the extra stuff needed to hook it up to my boss ms3.

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  • Hey Jamie! The super produced edm bass tone that you play from 1:29, it's the edm swell right? What are the tweaks you did to the original preset to get that tone in the video?

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  • Cool vid, thanks! Did you upload any of your patches to neuro? I like that second one @1:03. What was that called?

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  • Great Video, thanks! – Which Presets are these? Can I find them in the Library of the Software? – Greetings from Berlin, Germany!

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  • Great review! Would love to see a video digging deeper into the software.

    I have a Manta that I use all the time in conjunction with an OC-2. It has the same octave downside, btw. The only working solution I've found is putting a slight separation between attacks. Playing with a slightly lighter touch also seems to produce better results overall.

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  • Just ordered one!!! 🙂
    The sound setting you used for Michel Jackson’s black & white – can we find it on the neuro app ?

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