Detail 01
Three channels: clean plus two preamp-module channels
The clean section is onboard, while the other two channels come from a module.
Product detailSKU #1500000477345
SynergySYN-20IR 20W 1x12 Guitar Combo Amp - Brown Ostrich
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Independent shopping perspective
The Korena take
Brown Ostrich gives this SYN-20IR its finish; underneath, it is Synergy’s 20W 1x12 modular tube combo. The built-in American-style clean channel works beside two channels from an official Synergy preamp module, allowing the preamp section to be physically changed. Its three Structure modes and Reactance control address power-amp voicing and response. For a direct workflow, four onboard IR slots can be saved by channel, with XLR and headphone outputs available alongside the Celestion Vintage 30 speaker.
Strong match
Who this is for
- Musicians who want to physically swap official Synergy preamp modules while retaining an onboard clean channel.
- Direct-to-front-of-house rigs using channel-programmable IR slots and the balanced XLR output.
- Travel or multi-location use where the stated universal voltage support is needed.
Consider the trade-offs
When to look elsewhere
- Players who prefer a fixed preamp format instead of a platform built for interchangeable modules.
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
Four programmable onboard IRs
Four IR slots are available, with assignments saved per channel.
Detail 03
Balanced XLR output with ground lift
Provides a direct-output connection with a ground-lift control.
Detail 04
12-inch Celestion Vintage 30
Names the speaker installed in the 1x12 combo.
Final check
Know before you order
- 01Official Synergy modules are sold separately.
- 02IR loading uses the included Synergy Editor software.
- 03The cabinet measures 22 x 10.25 x 20.75 inches and the listed weight is 44.7.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Can the preamp sound be changed without replacing the combo?
Yes. Official Synergy preamp modules can be physically swapped; they are sold separately.
02Does it have an onboard clean channel?
Yes. The amplifier includes an American-style clean channel.
03Can I save IR choices with channels?
Yes. Its four onboard IR slots are programmable per channel.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsSound
- Speaker
- 12 inch Celestion Vintage 30
3 detailsPickups & controls
- Footswitch
- 3-button MIDI footswitch
- Preamp Tubes
- 2 x 12AX7
- Preamp Module Compatibility
- Official Synergy modules (sold separately)
2 detailsBody & build
- Color
- Brown Ostrich
- Cabinet Material
- Solid Baltic birch
7 detailsConnections & power
- USB
- Yes (includes 6' USB cable)
- Inputs
- 1 x 1/4 inch
- MIDI
- Up to 128 programmable presets
- Speaker Outputs
- 1 x 1/4 inch (16 ohms), 2 x 1/4 inch (8 ohms parallel), 2 x 1/4 inch (4 ohms parallel)
- Power Output
- 20W
- Power Amp Structure
- 3 selectable modes (A, B, C)
- Power Tubes
- 3 x EL84
2 detailsSize & weight
- Weight
- 44.7
- Dimensions
- 22 inch x 10.25 inch x 20.75 inch
11 detailsOther
- Reactance
- Dynamic presence control
- Headphones
- 1 x 1/4 inch with volume control
- Latency
- Under 1ms
- Model
- SYN-20IR
- Ir Slots
- 4 onboard IRs (programmable per channel)
- Fx Loop
- Ultratransparent series FX loop
- Master Volume
- Global volume control
- Product Type
- Tube combo amplifier
- Channels
- 3 (Clean + 2 preamp module channels)
- Ir Loader
- Included Synergy Editor software
- XLR
- Balanced output with ground lift
