Detail 01
Blend control
Mixes the clean signal with the compressed signal.
Product detailSKU #1500000442577
DarkglassLuminal Booster Ultra Compression and Harmonic Boost Combo Effects Pedal Black
aggressivehigh outputrockpsychedelicstoner rockblues
1/6
Independent shopping perspective
The Korena take
Built around bass compression, harmonic boost, EQ, and cab simulation, the Luminal Booster Ultra puts several clean-signal tools in one pedal. Blend control lets you retain dry bass alongside compression, while the filter and six-band EQ provide separate shaping options. Its XLR direct output can use one of seven loaded Cab Sim slots, and the gain-reduction meter gives a visual reference while setting compression. Headphones and USB-C connectivity extend the setup to private practice and Darkglass Suite customization.
Strong match
Who this is for
- Bassists building a direct XLR setup with selectable cabinet simulations.
- Private headphone practice using the pedal’s internal stereo headphone amplifier.
- Adjusting clean-versus-compressed bass balance while monitoring gain reduction.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Filter
Applies an adjustable low-pass filter to the compressed signal.
Detail 03
Ground lift
Disconnects the direct-output signal ground to break ground loops.
Detail 04
Output
Provides a 1/4-inch connection for an amplifier or the next effect.
Final check
Know before you order
- 01Use only a regulated, center-negative 9VDC power supply.
- 02Cab Sim slots are available on the XLR output and accessed with the Character knob.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Can I load my own impulse responses?
Yes. USB-C connects the pedal to Darkglass Suite on PC or Mac for loading impulse responses.
02Does it have a direct output?
Yes. It has a balanced XLR direct output with a Cab Sim push-button.
03Can I practice with headphones?
Yes. The internal stereo headphone amplifier uses a 3.5 mm stereo jack and can drive a minimum 16-ohm load.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsBody & build
- Color
- Black
4 detailsConnections & power
- Direct Output
- Balanced output via XLR connector with Cab Sim push-button
- Output
- 1/4 inch connector for the amplifier or next effect in the chain
- Headphone Output
- Internal stereo headphone amplifier, capable of driving a minimum load of 16 ohms from the 3.5 mm stereo jack
- Power Supply
- 9VDC, center negative, regulated 9VDC only
9 detailsOther
- Comp
- Adjusts the amount of compression applied
- Blend
- Blends between clean and compressed signal
- Gain Reduction Meter
- For precise monitoring
- 6 Band EQ
- For unparalleled tonal flexibility
- USB C
- Connect to Darkglass Suite (PC/Mac) to load impulse responses to the pedal
- Ground Lift
- Disconnects the signal ground on the Direct Output to break any ground loops
- Gain
- Adjusts the level of the compressor after the blend control
- Filter
- Adjustable lowpass filter for the compressed signal
- Cab Sim
- Seven Cab Sim slots for the XLR, accessible via the Character knob
