Pricing and availability

We compare 600+ stores and found this item at 6 stores. Prices updated .

Sweetwater
5.0 (2)
$1,459.99
Guitar Center
5.0 (4)
$1,099.99
Reverb
5.0 (1)
$1,031.32 New
$872.00 Used
Musician's Friend
$1,099.99
zZounds
5.0 (3)
$1,099.99
Thomann
4.7 (18)
$1,150.00 $1,035.00 $115.00 · All time low

Average Price: $1,100

High-end/Boutique

$300

$801+

Price Tier

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Standard

High-end

Price History

Based on price data from 5 merchants for "Synergy Amps SYN-20IR 20-watt 3-channel Tube Head". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

The Synergy SYN-20IR 20-watt 3-channel Tube Head is a game-changer for guitarists seeking unparalleled tonal flexibility and convenience. Combining the classic warmth of an all-tube modular preamp system with cutting-edge impulse response (IR) technology, this amp head is designed to meet the needs of today's versatile musicians. Whether you're playing in a studio, onstage, or at home, the SYN-20IR provides a rich, dynamic sound that's perfect for any setting.

At the heart of the SYN-20IR is Synergy's revolutionary preamp module system, featuring dual 12AX7 tubes. This allows players to swap out modules and explore a vast array of tones inspired by legendary amplifiers. From crisp cleans to searing leads, the SYN-20IR can adapt to any musical style with ease. Selectable Power Amp Structure modes offer further customization, enabling you to tailor the amp's response to your taste, whether you prefer a vintage vibe or a modern, high-gain edge.

Connectivity is a breeze with the SYN-20IR, thanks to its XLR balanced output, dedicated headphone jack, and ultra-transparent FX loop. The amp's industry-leading impulse response technology ensures you can achieve a fully mic’d-up sound without needing a traditional speaker cabinet. With MIDI integration and the included footswitch, you can switch between channels, amp structures, and IR settings effortlessly, making this amp head a must-have for the modern guitarist.

Key Features:

  • 20W EL84 power section with all-tube modular preamp system
  • Three-channel design: built-in clean channel + two module channels
  • Selectable Power Amp Structure modes (Mode A, B, C)
  • Ultra-low latency impulse response engine with four IR presets
  • MIDI programmable with up to 128 presets and included footswitch
  • XLR balanced output, headphone out, and universal voltage selector
  • Load and manage custom IRs via Synergy Editor Software

Product specs

Type Tube
Number of Channels 3 (1 x module slot)
Output Power 20W
Preamp Tubes 2 x 12AX7
Power Tubes 2 x EL84
Number of Models 4 x IR presets
Inputs 1 x 1/4"
Outputs 2 x 1/4" (4 ohm), 2 x 1/4" (8 ohm), 1 x 1/4" (16 ohm)
Headphones 1 x 1/4"
Effects Loop Yes
MIDI I/O 1 x 5-pin DIN (In)
USB 1 x Type B (software)
Footswitch Included Yes, 3-button midi programmable footswitch
Computer Connectivity USB
Software Synergy Software Editor
Power Source Standard IEC AC cable
Height 7.5"
Width 14"
Depth 8.5"
Weight 16.4 lbs.

FAQs

What makes the Synergy Amps SYN-20IR 20-watt Tube Head unique?

The SYN-20IR offers modular versatility with its ability to incorporate different preamp modules, allowing musicians to explore a wide range of tones from classic to modern. Its 20-watt tube power is ideal for both studio use and small to medium-sized gigs.

Can the Synergy SYN-20IR be used for live performances?

Yes, the 20-watt tube power of the Synergy SYN-20IR is suitable for live performances, especially in small to medium-sized venues. Its modular design allows for a variety of tonal options, making it versatile for different musical styles.

Does the Synergy SYN-20IR support MIDI control?

Yes, the Synergy SYN-20IR features a MIDI input, allowing users to integrate it with MIDI controllers and automate channel switching and other functions during performances.

What kind of speaker outputs does the Synergy SYN-20IR have?

The Synergy SYN-20IR offers multiple speaker outputs: two 1/4" outputs for 4 ohms, two 1/4" outputs for 8 ohms, and one 1/4" output for 16 ohms, providing flexibility for different speaker cabinet configurations.

Is there a headphone output on the Synergy SYN-20IR for silent practice?

Yes, the Synergy SYN-20IR includes a 1/4" headphone output, allowing for silent practice sessions without disturbing others.

Can the Synergy SYN-20IR be connected to a computer for software control?

Yes, the SYN-20IR features USB connectivity for use with the Synergy Software Editor, enabling users to customize settings and manage IR presets on their computer.

The Studio Rats

The Studio Rats

The Amp We Have All Been Waiting For - Synergy SYN20IR

Video thumbnail for The Amp We Have All Been Waiting For - Synergy SYN20IR by The Studio Rats

The Amp We Have All Been Waiting For - Synergy SYN20IR

The Studio Rats

The Studio Rats

Video thumbnail for SYNERGY SYN-20IR + Fortin Killer Kali Preview by Michael Nielsen - Big Hairy Guitars

SYNERGY SYN-20IR + Fortin Killer Kali Preview

Michael Nielsen - Big Hairy Guitars

Michael Nielsen - Big Hairy Guitars

Video thumbnail for THE amp that everyone should get! (SYN-20IR) by Sonic Drive Studio

THE amp that everyone should get! (SYN-20IR)

Sonic Drive Studio

Sonic Drive Studio

Video thumbnail for Synergy SYN-20IR 20-watt 3-channel Tube Head Demo by Sweetwater Soundcheck

Synergy SYN-20IR 20-watt 3-channel Tube Head Demo

Sweetwater Soundcheck

Sweetwater Soundcheck

Video thumbnail for SYNERGY SYN-20IR - THE NEW FUTURE OF GUITAR AMPS? by Tapestry Music

SYNERGY SYN-20IR - THE NEW FUTURE OF GUITAR AMPS?

Tapestry Music

Tapestry Music

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Synergy Amps SYN-20IR 20-watt 3-channel Tube Head.

Features and functionality

  • The SYN-20IR offers extensive tone shaping with Structure and Reactance knobs, Fortin dual gains, and a Violence switch for diverse sound possibilities.

    Source
  • The amp is praised for its headroom, providing a powerful output despite being a 20-watt model, which enhances its performance even at lower wattages.

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  • The SYN-20IR's onboard IRs are highly praised, reducing the need for external IRs until specific tones are required.

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  • The gain sweep on modules doesn't significantly affect volume, allowing consistent sound levels at around 80db.

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  • The SYN-20IR lacks a separate master volume for the balanced out, but users find workarounds like using the headphone out or adjusting the FRFR output.

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User experience

  • Owners report exceptional versatility, with sounds ranging from Fender-like cleans to aggressive Fortin tones, suitable for varied musical styles.

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  • Owners transitioning from digital modelers like Helix report a noticeable improvement in dynamics and feel with the SYN-20IR.

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  • The Marshall 2525H Studio Jubilee is praised for its manageable size and volume, making it suitable for home use without excessive volume levels.

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Use cases and applications

  • The amplifier channels accommodate both clean and high-gain sounds, making it suitable for genres that require dynamic range and tonal flexibility.

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  • The amp is considered highly suitable for gigging with its impressive sound output, even in a compact "lunchbox" format.

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  • Despite its size, the SYN-20IR delivers a loud and full sound on stage, comparable to larger setups with a Fryette Powerstation.

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  • Owners recommend using Mesa Boogie and Orange cabs, particularly with V30 speakers, for optimal high-gain performance.

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Comparisons

  • The SYN-20IR's versatility is likened to a mix between Plexi/Hi-Watt and JCM800 tones, with elements of Mesa Boogie Dual Rectifier characteristics.

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  • Owners find the SYN-20IR's dynamics superior even when using an FRFR setup, contrasting with other amps like the JEL-20 and Soldano Astro-20.

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  • The EVH 5150 LBS-III Stealth is noted for its high gain and compression, with the Blue channel favored over the Red.

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Mods and upgrades

  • Swapping the Mesa Boogie Spax7 into the V1 position and using balanced JJ ECC83s has been recommended to enhance the sound of similar amps.

    Source

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