Detail 01
20W EL84 tube-driven power amp
The head uses a 20W EL84 tube-driven power amp.
Product detailSKU #1500000457157
SynergySYN-20IR Tube Amp Head and Bogner Uberschall Module Bundle
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Independent shopping perspective
The Korena take
For a modular, tube-driven head centered on high-gain guitar sounds, this package combines the 20W SYN-20IR with the two-channel Bogner Uberschall module. Alongside the head’s own clean channel, the Uberschall module supplies two channels with separate gain, volume, three-band EQ, and tone-shaping switches. The module is described with aggressive high gain, clarity, and a tight low-end response. Four channel-programmable onboard IRs, selectable power-amp modes, and MIDI preset programming extend the available control.
Strong match
Who this is for
- Setting up a clean channel alongside two Uberschall module channels for high-gain and lead-focused guitar parts.
- Programming individual onboard IR selections by channel and recalling up to 128 MIDI presets.
Consider the trade-offs
When to look elsewhere
- Players who need an included selection of additional preamp modules; other official Synergy modules are sold separately.
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
Three selectable power-amp modes: A, B, and C
Three power-amp settings are selectable.
Detail 03
Dynamic presence control
Includes a dynamic presence control.
Detail 04
Global master volume
One global control sets the overall volume.
Final check
Know before you order
- 01Additional official Synergy preamp modules are sold separately.
- 02IR management uses the included 6-foot USB cable and Synergy Editor Software.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Is there a clean channel without using the Uberschall module?
Yes. The SYN-20IR has a Clean channel in addition to the module’s two channels.
02How is the Uberschall module controlled?
Its two channels each have independent gain, volume, and three-band EQ, plus tone-shaping switches.
03What speaker outputs are available?
The head provides 1×16-ohm, 2×8-ohm parallel, and 2×4-ohm parallel outputs.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsPickups & controls
- Preamp Module Compatibility
- Official Synergy modules (sold separately)
7 detailsConnections & power
- Outputs
- XLR balanced, 1/4 inch line output, headphone out with volume control
- USB
- Included 6' USB cable for IR management
- Voltage
- Universal voltage selector for global use
- MIDI
- Up to 128 programmable presets
- Speaker Outputs
- 1x16 ohm, 2x8 ohm (parallel), 2x4 ohm (parallel)
- Power Output
- 20W EL84 tube-driven power amp
- Power Amp Structure
- 3 selectable modes (A, B, C)
4 detailsSize & weight
- Weight
- 16.4
- Depth
- 8.5 inch
- Width
- 14 inch
- Height
- 7.5 inch
8 detailsOther
- Reactance
- Dynamic presence control
- Latency
- Under 1 ms
- Master Volume
- Global volume control
- Channels
- 3 (Clean + 2 preamp module channels)
- Ir Loader
- Free Synergy Editor Software (USB connection)
- Tubes
- 2 x EL84, 2 x 12AX7 (additional 12AX7 tubes in modules)
- Ir Slots
- 4 onboard IRs (programmable per channel)
- Fx Loop
- Ultra-transparent series FX loop
