Pricing and availability
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Average Price: $427
High-end/Boutique
$70
$201+
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Budget
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High-end
Price History
Based on price data from 1 merchant for "Darkglass Electronics Alpha Omega Ultra Dual Bass Preamp/OD Pedal". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Unleash the full potential of your bass with the Darkglass Electronics Alpha Omega Ultra preamplifier. This pedal is a powerhouse designed for the modern bassist seeking versatility and precision in their tone. With its dual distortion circuits, it offers a wide range of textures, from subtle growls to aggressive snarls, allowing you to effortlessly transition between clean and distorted sounds. The preamp's active 6-band graphic EQ provides you with meticulous control over your sound, ensuring your bass sits perfectly in any mix.
Whether you’re practicing alone or performing on stage, the Alpha Omega Ultra has you covered. The pedal includes a headphone output for silent rehearsals and a balanced direct output equipped with switchable digital impulse response speaker emulation, making it an ideal choice for direct recording or PA systems. The Growl and Bite push buttons add an extra layer of tonal customization, letting you fine-tune your sound with ease.
Its true bypass functionality ensures your signal remains pure when the pedal is not in use, and the robust construction promises reliability gig after gig. With comprehensive controls that include Mod, Blend, Level, and Drive, alongside the EQ, your creative possibilities are virtually limitless.
Key Features:
- Preamp with additional Aux In
- Dual distortion circuits
- High dynamic range
- Active 6-band graphic EQ
- True bypass
- Headphone output
- Balanced direct output with switchable digital impulse response speaker emulation
- Controls: Mod, Blend, Level, Drive, 6-Band EQ
- Push buttons: Growl, Bite, Ground Lift, Cab Sim
- LED: Effect On/Off
- Footswitch: Effect bypass
- Power supply via 9 V DC power pack (not included)
Product specs
| Pedal Type | Preamp, Distortion |
| Analog/Digital | Analog (overdrive), Digital (cab sim) |
| EQ | Low Shelf, High Shelf, Mid bands: 250Hz, 500Hz, 1.5kHz, 3kHz |
| Inputs | 1 x 1/4" (instrument), 1 x 1/8" (aux in) |
| Outputs | 1 x 1/4", 1 x XLR (direct out), 1 x 1/8" (headphones) |
| USB | 1 x Micro-B (loading IR) |
| True Bypass | Yes |
| Power Source | 9V DC power supply (sold separately) |
| Power Usage | Up to 130mA |
| Height | 2.2" |
| Width | 4.92" |
| Depth | 3.77" |
| Weight | 0.94 lbs. |
FAQs
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What type of distortion does the Darkglass Alpha Omega Ultra provide?
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The Darkglass Alpha Omega Ultra offers two unique distortion circuits that can be blended together, providing a versatile range of distortion from subtle grit to aggressive overdrive, ideal for bass players seeking dynamic saturation.
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Can the Darkglass Alpha Omega Ultra be used as a standalone preamp?
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Yes, the Darkglass Alpha Omega Ultra functions as a preamp pedal with a 3-band EQ and balanced line driver, making it suitable for both live and studio applications without needing additional amplification.
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What are the connectivity options for the Darkglass Alpha Omega Ultra?
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The pedal features 1/4" instrument input, 1/8" aux input, 1/4" and XLR outputs, 1/8" headphone output, and a USB Micro-B port for loading impulse responses, offering extensive connectivity for various setups.
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Does the Darkglass Alpha Omega Ultra support cab simulation?
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Yes, the Darkglass Alpha Omega Ultra includes a digital cab sim feature, which can be customized via the USB interface to load different impulse responses for enhanced tonal flexibility.
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Is the Darkglass Alpha Omega Ultra suitable for live performances?
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Absolutely, with its robust construction, XLR direct output, and versatile tone-shaping capabilities, the Darkglass Alpha Omega Ultra is well-suited for live performances, providing reliable and high-quality sound.
Videos
The Bass Channel
Darkglass B7K Ultra vs. Vintage Ultra vs. Alpha Omega Ultra
Reviews
PROS
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Two distinct distortion types offer versatile sound textures
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Six-band graphic EQ allows for precise sound shaping
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Preamp function provides ballsy tones that cut through mixes well
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Cab sim feature with downloadable software enhances sound customization
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Lightweight, compact design makes it highly portable
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Aux in and headphone out perfect for silent practice
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Can work directly with FOH, ideal for live performances
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USB cab sim allows for IR uploads, expanding sound possibilities
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Blend knob maintains low end during distortion
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Reduced noise level compared to predecessor models
CONS
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Cannot store favorite presets for quick recall
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Boost switches hard to distinguish if on or off
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May require an extra pedal for optimal tone sculpting
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Significant gain can introduce noise, requiring mastery or a compressor
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Some users find build quality not on par with competitors
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Growl and Bite toggles offer minimal audible difference at high drive settings
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Darkglass Electronics Alpha Omega Ultra Dual Bass Preamp/OD Pedal.
Features and functionality
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Users highlight the pedal's versatility, allowing for both high-gain distortion and subtle, low-gain settings suitable for diverse genres like jazz.
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Some users find the distortion on the Alpha Omega Ultra heavily compressed, impacting the clarity and punch of the bass signal.
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The Alpha Omega Ultra's 6-band EQ provides granular control, making it ideal for those seeking precise tonal adjustments across diverse setups and musical contexts.
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The blend of alpha (tighter, punchier) and omega (raw, grimier) tones in the Alpha Omega Ultra allows for versatile sound sculpting, meeting diverse tonal preferences.
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The growl and bite switches on the Alpha Omega Ultra significantly enhance tonal flexibility, enabling unique sound combinations not achievable with simpler models.
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Use cases and applications
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The preamp and EQ can be used without distortion, providing clean tonal shaping for various musical styles.
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Running the Alpha Omega Ultra parallel with a heavier fuzz using an OBNE Signal Blender enhances sound depth and quality, rather than chaining the pedals.
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Owners report the parallel output on the Alpha Omega Ultra maintains low-end integrity, crucial for achieving robust bass tones without losing depth.
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Comparisons
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The Darkglass Alpha Omega Ultra is compared to the Joyo Monomyth as a budget alternative, though it offers a broader range of sound options.
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The Darkglass Alpha Omega Ultra offers a distinctive distortion sound, which some users compare unfavorably to the more traditional distortion profiles of the Aguilar Agro or Sansamp YYZ.
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The Alpha Omega Ultra is preferred by users who need distinct EQ settings for clean and driven tones, unlike the Omicron which suits simpler, distortion-focused applications.
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User experience
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Owners appreciate its ability to produce moderate tones by adjusting blend, level, and gain, beyond the extreme sounds often showcased online.
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Users indicate the Alpha Omega Ultra excels in maintaining consistent tone across various backlines, making it reliable for live performances regardless of provided equipment.
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Setup and maintenance
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Switching from an Orange Terror Bass head to a '71 Bassman 100 can improve the pedal's sound, reducing unwanted distortion and clipping.
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Critic Reviews
5.0 out of 5
Based on 5 Reviews and 19 Ratings
109
Normalise graphic EQs!
I love being able to see my EQ when I playing, and being able to change it so easily, the high and low pass filters are also so helpful for boosting quickly As for the distortion, you don’t find it any where else, Darkglass does it best
Preferred Settings + Usage:
With the bite setting on, alpha mega knob set to 12 o’clock, blend set to 3 o’clock and drive set to 9 o’clock, lovely distortion that adds crisp to your tone without standing out too much
10745
Best metal bass preamp pedal that sounds like a bass amp going direct.
Before I had this preamp pedal, I was struggling so much with bass players who were extremely unreliable. They'd fail to meet deadlines, be dishonest about their employment statuses, and then deliberately sabotage my music projects. I've learned my lesson the hard way that I needed my own home recording solutions for those cases when I have to get the bass recording job done myself.
Enter the Darkglass Alpha Omega Ultra. Initially my plan was to secure a Darkglass B7K Ultra back in May 2020; however, unfortunately, due to the CoVID pandemic I had to go with the plan B option that was the Darkglass Alpha Omega Ultra. And to be honest, this was a very pleasant surprise. Designed as a signature bass preamp by John Stockman of Karnivool, the bass preamp carries a lot of low-end ballsy tones that cuts through the mix very well. Along with the 5-band EQ, the preamp also features an Alpha/Omega distortion circuit that allows you to choose your own perfect blend of distortion voicings. What I also love about this pedal is that it has an cab sim IR loader, which allows you to upload your own cab IRs and use them anywhere you want. Super cool.
If you're looking for home recording solutions for bass guitar, and/or you're like me and want something to record/reamp bass tones without having a bass player screw things up for you, take a serious look at the Darkglass Alpha Omega Ultra preamp pedal.
Preferred Settings + Usage:
Mod/Blend/Level/Drive all at 1 o'clock position. / Growl and Bite ON / Low-Freq +2 dB / 250 Hz -1 dB / 500 Hz +1 dB / 1.5 kHz +3 dB / 3 kHz +2dB / Treble +2.5 dB Cab IR: Lancaster Audio Ampeg SVT 2
1513
Revolutionary, Inspiring and incredibly versatile.
Darkglass don't lie when they say it's "the most versatile bass preamp they've ever made" but it truly goes beyond that and blows every other pre I've used out of the water. I've been a bassist for 10 years and was never really satisfied with my tone. Originally thinking it would cost thousands to get my dream rig to get the sound i wanted, it's all here in the preamp,
Not only is it good for bass guitar, chucked my MOOG DFAM Synthesizer through it and it's a whole other animal, even tried some of my cheaper digital synths, cranked in some distortion and even resurrected my love for some of the synths i was going to sell after using them in conjunction with the Darkglass.
104
Great Features with the EQ and Distortion.
It's nice being able to have an EQ and distortion pedal in one. I used to use my friends for our band until I got my own bass rig with separate EQ and Distortion pedals. But this pedal was very useful. I used my EQ settings for the show and dialed in a good tone and then easily added on the distortion with a multitude of sounds to choose from. Bite and Growl to add some punch and beef and the awesome Alpha and Omega knob to find a good balance between warmer and grittier distortion. Along with the blend so you have just the right of distortion that you want.
119
Versatile, built to last, lots of features, a definite must-have!
The Alpha Omega Ultra is an incredible stompbox that sounds absolutely amazing. With two different distortion types (and the ability to blend them), a six-band graphic EQ, the feature to have a cab sim loaded on the pedal (plus you can tweak them by downloading the free Darkglass Suite software online), this a must-have on any bassist's board. Darkglass, in my opinion, is the Apple of bass products.
Artist usage
Add artist
In an Instagram post, Mick Gordon showcases his Darkglass Alpha Omega Ultra pedal, praising it as the best pedal.
A picture on Reddit, shared by user BASSplayer452, clearly shows the Darkglass Electronics Alpha Omega Ultra on Al Cisneros's pedalboard.
"The new Darkglass Alpha Omega adds a punch and also has a cab sim, which I changed to an impulse response we did of an 8x10"
The pedal can be seen sitting on Adam's stand with his OC-2 behind him during this interview with MusicIsWin
In this picture, Tom is holding a Darkglass Alpha Omega Ultra. The caption says, “Check out Tom’s new toy: The Alpha Omega Ultra by @darkglasselectronics.
Yuki Nakashima used the Darkglass Alpha Omega Ultra bass effects pedal during Roselia's 7th Live, as shown in a photo shared by beffectofficial on Twitter.
“I have a simple touring rig this run, I use the Alpha·Omega Ultra powered by a Fender TB1200, and I recently started playing PRS. I use a custom Kestrel bass with a DiMarzio PJ pickups”
In this video at 3:40 you can see some of Henkka's pedals and one of them is a Darklass Alpha Omega Ultra
In this Instagram post, Daniel Kenny expresses his gratitude to Darkglass Electronics for providing him with the Alpha Omega Ultra pedal, highlighting his enthusiasm to use it as a bassist.
Here he talks about how he now uses the AOU in his live shows thanks to the cab sim
However, this setup is about to change, he adds. “I’m going to switch it up, actually: I’m still sticking with the pedals, but I’ve recently become a Darkglass artist. Man, those guys really know what they’re doing, and their new Alpha Omega Dual Distortion is amazing - Jon Stockman from Karnivool was part of the design team on that pedal.
“I used the Darkglass B7K to record the album, because the Alpha Omega wasn’t out yet. The B7K was my drive on all the songs: I didn’t even use the Sansamp, apart from a little bit of the plugin afterwards. The Alpha Omega is on my pedalboard now, along with the Sansamp and a prototype that Eden gave me called the Terranova, which has an amazing clean tone - big and boomy. Those three pedals will be responsible for my tone when we go on tour.”
Album Usage
The Darkglass Electronics Alpha Omega Ultra Dual Bass Preamp/OD Pedal has been featured on the following albums:
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Darkglass Electronics Alpha Omega Ultra Dual Bass Preamp/OD Pedal, it is most commonly used with the following gear.
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