The Tech 21 PSA 2.0 is a Tech 21 preamp pedal, currently around $199. Close alternatives include the Tech 21 SansAmp and the J. Rockett Audio A.P.E. Analog Preamp Experiment. It pairs well with the Electro-Harmonix Big Muff Pi and the Fulltone OCD.
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.
- analog
- midi
- live
- return
- preamp
- full live flexibility
- two footswitchable channels
- tech 21
Good for
- Live
- Silent Recording
- Silent Stage
- Studio
Price updated Aug 24, 2026
Pedals that stack with the Tech 21 PSA 2.0
Electro-Harmonix Big Muff Pi
Electro-Harmonix
8% matchElectro-Harmonix Big Muff Pi leans toward fuzzy, and that's a real, usable character to pair with
Fulltone OCD
Fulltone
8% matchWhat Fulltone OCD brings here leans toward full — that's worth building a pairing around
Ashdown Studio Compressor
Ashdown
6% matchAshdown Studio Compressor's own compressed character is the real reason this is worth trying
Caroline Guitar Company Somersault
Caroline Guitar Company
6% matchPut Caroline Guitar Company Somersault after Tech 21 PSA 2.0 in the signal chain, clear of Tech 21 PSA 2.0's own gain stage
Electro-Harmonix Canyon
Electro-Harmonix
5% matchKeep Electro-Harmonix Canyon 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)
Empress Echosystem
Empress
5% matchEmpress Echosystem's pristine 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)
Cheaper alternatives
Boutique & premium upgrades
Similar character
Tech 21 SansAmp
Tech 21
70% similarity“expanding the original SansAmp analog amp-simulation circuit with two footswitchable channels and 128 MIDI-addressable preset slots”
J. Rockett Audio A.P.E. Analog Preamp Experiment
J Rockett
63% similarityShared character: analog, preamp
Source Audio ZIO
Source Audio
60% similarityShared character: analog, preamp
Source Audio Soundblox Pro Classic Distortion
Source Audio
93% similaritysimilar tone 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 Tech 21 SansAmp, the J. Rockett Audio A.P.E. Analog Preamp Experiment, the Source Audio ZIO. Budget picks: Mooer Preamp Live. Boutique upgrades: Tone King Imperial Preamp, A/DA MP-1.
What pairs well with the Tech 21 PSA 2.0?+
Strong matches from rig and tone-complementarity evidence: Electro-Harmonix Big Muff Pi, Fulltone OCD, Ashdown Studio Compressor — Electro-Harmonix Big Muff Pi leans toward fuzzy, and that's a real, usable character to pair with.
How much does the Tech 21 PSA 2.0 cost?+
Around $199 (live listing price, updated Aug 24, 2026).