The Source Audio Soundblox Pro Classic Distortion is a Source Audio distortion pedal, currently around $149.99. Close alternatives include the DOD Digital Turbo Distortion DFX5 and the Mooer Preamp Live. It pairs well with the Quilter Tone Block 202 200W Head and the Swart Space Tone Atomic Jr. Two-Tone.
Source Audio Soundblox Pro Classic Distortion
Source Audio · pedal
The Source Audio Soundblox Pro Classic Distortion is a high-technology, programmable distortion pedal from Source Audio's Soundblox Pro series, delivering classic distortion algorithms with extensive programmability, preset storage, and MIDI control in premium digital format.
What stands out
“Source Audio's programmable classic distortion from the Soundblox Pro series, praised for versatile distortion algorithms with premium DSP quality”
— from the community notes
“The Source Audio Soundblox Pro Classic Distortion is a high-technology, programmable distortion pedal from Source Audio's Soundblox Pro series, delivering classic distortion algorithms with extensive programmability, preset storage, and MID…”
— from the listing
“Build quality is excellent”
— from the community notes
“and midi control in premium digital format”
— from the listing
“Rock and metal players who want programmable distortion with exceptional depth find it an excellent option”
— from the community notes
- distortion
- midi
- digital
- rock
- studio
- source audio
- classic distortion algorithms
- midi control
Price updated Oct 24, 2026
Genres the Source Audio Soundblox Pro Classic Distortion is commonly used in
Amps that pair well with the Source Audio Soundblox Pro Classic Distortion
Quilter Tone Block 202 200W Head
Quilter
11% matchQuilter Tone Block 202 200W Head leans toward dynamic, and that's a real, usable character to pair with
Comes later in the signal chain
Swart Space Tone Atomic Jr. Two-Tone
Swart
11% matchSwart Space Tone Atomic Jr. Two-Tone's own lush character is the real reason this is worth trying
Comes later in the signal chain
Pedals that stack with the Source Audio Soundblox Pro Classic Distortion
RHC Rat Turbo Rat Distortion
Rhc Audio
8% matchRHC Rat Turbo Rat Distortion's own aggressive character is the real reason this is worth trying
Suhr Rufus Reloaded
Suhr
8% matchWhat Suhr Rufus Reloaded brings here leans toward fuzzy — that's worth building a pairing around
Comes later in the signal chain
Caroline Guitar Company Somersault
Caroline Guitar Company
6% matchKeep Source Audio Soundblox Pro Classic Distortion's pristine voice out front: Caroline Guitar Company Somersault goes after Source Audio Soundblox Pro Classic Distortion in the signal chain so its modulated voice doesn't muddy it
Comes later 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
Benson Amps Delay
Benson Amps
5% matchPut Benson Amps Delay after Source Audio Soundblox Pro Classic Distortion in the signal chain, clear of Source Audio Soundblox Pro Classic Distortion's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
Boss DD-7 Digital Delay
Boss
5% matchRun Boss DD-7 Digital Delay after Source Audio Soundblox Pro Classic Distortion in the signal chain, clear of Source Audio Soundblox Pro Classic Distortion'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
A/DA MP-1
A Da
58% similarityShared character: digital, distortion
Tech 21 PSA 2.0
Tech 21
54% similarityShared character: studio
Walrus Audio Eras
Walrus Audio
51% similarityShared character: countless rock and metal players, distortion
Line 6 DM4 Distortion Modeler
Line 6
49% similarityShared character: digital, distortion
Friedman IR-X
Friedman
44% similarityShared character: digital, distortion, studio
Maxon DS Distortion Reissue
Maxon
43% similarityShared character: distortion
Similar character
DOD Digital Turbo Distortion DFX5
Dod
59% similarityShared character: digital, distortion
Mooer Preamp Live
Mooer
51% similarityShared character: digital, studio
Mooer MDS4
Mooer
49% similarityShared character: distortion
T-Rex Tonebug Distortion
T Rex
45% similarityShared character: distortion
Empress Dist
Empress
44% similarityShared character: distortion, studio
Source Audio L.A. Lady
Source Audio
44% similarityShared character: distortion, studio
See all alternatives to the Source Audio Soundblox Pro Classic Distortion (cheaper + boutique) →
Questions people ask
What are good alternatives to the Source Audio Soundblox Pro Classic Distortion?+
The closest matches in character are the DOD Digital Turbo Distortion DFX5, the Mooer Preamp Live, the Mooer MDS4. Budget picks: Tone City Rock Magma Distortion Super Sustain, Tone City Model E Distortion TC-T35. Boutique upgrades: A/DA MP-1, Tech 21 PSA 2.0, Walrus Audio Eras.
What pairs well with the Source Audio Soundblox Pro Classic Distortion?+
Strong matches from rig and tone-complementarity evidence: Quilter Tone Block 202 200W Head, Swart Space Tone Atomic Jr. Two-Tone, RHC Rat Turbo Rat Distortion — Quilter Tone Block 202 200W Head leans toward dynamic, and that's a real, usable character to pair with.
How much does the Source Audio Soundblox Pro Classic Distortion cost?+
Around $149.99 (live listing price, updated Oct 24, 2026).