The Tech 21 PSA 2.0 is a Tech 21 preamp pedal, currently around $236.69. Close alternatives include the A/DA MP-1 and the Source Audio Soundblox Pro Classic Distortion. It pairs well with the One Control Lingonberry Overdrive and the RHC Rat Turbo Rat Distortion.
Tech 21 PSA 2.0
Tech 21 · pedal
The Tech 21 PSA 2.0 is a programmable two-channel analog preamp from Tech 21 (New York, USA), expanding the original SansAmp analog amp-simulation circuit with two footswitchable channels and 128 MIDI-addressable preset slots for complete live programmability. The PSA 2.0 delivers the classic SansAmp analog tube-amp character with full live flexibility.
What stands out
“expanding the original sansamp analog amp-simulation circuit with two footswitchable channels and 128 midi-addressable preset slots for complete live programmability”
— from the listing
“0 delivers the classic SansAmp analog tube-amp character with full live flexibility”
— from the listing
“Its standout weakness is the analog-only SansAmp character”
— from the community notes
“0 is a programmable two-channel analog preamp from Tech 21 (New York, USA), expanding the original SansAmp analog amp-simulation circuit with two footswitchable channels and 128 MIDI-addressable preset slots for complete live programmabilit…”
— from the listing
“The Tech 21 PSA 2”
— from the listing
- midi
- analog
- full
- return
- studio
- full live flexibility
- two footswitchable channels
Good for
- Live
- Silent Recording
- Silent Stage
- Studio
Price updated Oct 25, 2026
Pedals that stack with the Tech 21 PSA 2.0
One Control Lingonberry Overdrive
One Control
7% matchOne Control Lingonberry Overdrive's own dynamic character is the real reason this is worth trying
Comes earlier in the signal chain
RHC Rat Turbo Rat Distortion
Rhc Audio
7% matchRHC Rat Turbo Rat Distortion leans toward aggressive, and that's a real, usable character to pair with
Comes earlier in the signal chain
Electro-Harmonix Small Clone
Electro-Harmonix
6% matchElectro-Harmonix Small Clone's analog warmth voice goes after Tech 21 PSA 2.0 in the signal chain — it's not there to compete with Tech 21 PSA 2.0's own analog warmth character
Comes earlier in the signal chain
Ashdown Macchiato Compressor Guy Pratt Signature
Ashdown
6% matchAshdown Macchiato Compressor Guy Pratt Signature's own compressed character is the real reason this is worth trying
Comes earlier in the signal chain
Crazy Tube Circuits Splash
Crazy Tube Circuits
5% matchCrazy Tube Circuits Splash's spring voice goes after Tech 21 PSA 2.0 in the signal chain — it's not there to compete with Tech 21 PSA 2.0's own analog warmth character — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
Crazy Tube Circuits Splash MKIV Reverb
Crazy Tube Circuits
5% matchKeep Crazy Tube Circuits Splash MKIV Reverb after Tech 21 PSA 2.0 in the signal chain, clear of Tech 21 PSA 2.0's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
Cheaper alternatives
Boutique & premium upgrades
Similar character
See all alternatives to the Tech 21 PSA 2.0 (cheaper + boutique) →
Questions people ask
What are good alternatives to the Tech 21 PSA 2.0?+
The closest matches in character are the A/DA MP-1, the Source Audio Soundblox Pro Classic Distortion, the Mooer Preamp Live. Budget picks: Source Audio Soundblox Pro Classic Distortion, Mooer Preamp Live. Boutique upgrades: Tone King Imperial Preamp, Friedman IR-X.
What pairs well with the Tech 21 PSA 2.0?+
Strong matches from rig and tone-complementarity evidence: One Control Lingonberry Overdrive, RHC Rat Turbo Rat Distortion, Electro-Harmonix Small Clone — One Control Lingonberry Overdrive's own dynamic character is the real reason this is worth trying.
How much does the Tech 21 PSA 2.0 cost?+
Around $236.69 (live listing price, updated Oct 25, 2026).