The Boss CS-2 Compression Sustainer is a Boss compressor pedal, currently around $99. Close alternatives include the Demeter Compulator and the MXR M102 Dyna Comp. It pairs well with the 1964 Vox AC30 and the Synergy SL2 Module.
Boss CS-2 Compression Sustainer
Boss · pedal
The Boss CS-2 Compression Sustainer is a smooth, responsive compressor pedal with transparent tone and sustain enhancement. Its Attack and Sustain knobs provide intuitive control of compression character and amount. The CS-2 has been a studio and live favorite for adding glue, sustain, and smooth dynamics to clean and overdriven tones.
- compression
- transparent
- dynamic
- smooth
- compressor
- sustain
- overdriven tones
- overdrive
Price updated Aug 27, 2026
Genres the Boss CS-2 Compression Sustainer is commonly used in
- Country Pop
cited
Inferred from shared tonal signals, not a stated genre tag. - Country
cited
Inferred from shared tonal signals, not a stated genre tag. - Funk
cited
Inferred from shared tonal signals, not a stated genre tag. - Blues
cited
Inferred from shared tonal signals, not a stated genre tag. - Alternative
cited
Inferred from shared tonal signals, not a stated genre tag.
Amps that pair well with the Boss CS-2 Compression Sustainer
1964 Vox AC30
Vox
7% matchRun the CS-2 before the AC30 for transparent, smooth compression before the amp's own chiming British sparkle reacts.
Synergy SL2 Module
Synergy
tonal matchSynergy SL2 Module's high gain fills in what this transparent tone doesn't make on its own
Friedman BE-Mini Head
Friedman
tonal matchFriedman BE-Mini Head's high gain fills in what this transparent tone doesn't make on its own
Hughes & Kettner Warp 7
Hughes & Kettner
tonal matchHughes & Kettner Warp 7's high gain fills in what this transparent tone doesn't make on its own
Ceriatone 2202H
Ceriatone
tonal matchCeriatone 2202H's high gain fills in what this transparent tone doesn't make on its own
Friedman Jose LTD
Friedman
tonal matchRun Friedman Jose LTD into that transparent platform and it finally gets some high gain
Egnater Tweaker 88 Head
Egnater
tonal matchThe transparent tone has headroom to spare — Egnater Tweaker 88 Head gives it low gain to fill it with
Hiwatt Hi-Gain 100W Head
Hiwatt
tonal matchRun Hiwatt Hi-Gain 100W Head into that transparent platform and it finally gets some high gain
Pedals that stack with the Boss CS-2 Compression Sustainer
Fjord Fuzz Berserk
Fjord Fuzz
26% matchThe transparent tone has headroom to spare — Fjord Fuzz Berserk gives it fuzzy to fill it with
Beetronics Nectar
Beetronics
26% matchInto a transparent tone, Beetronics Nectar brings the low gain it's missing
Mr. Black Bloodmoon
Mr Black
11% matchMr. Black Bloodmoon's dark voice goes after Boss CS-2 Compression Sustainer in the signal chain — it's not there to compete with Boss CS-2 Compression Sustainer's own compressed character — goes in the amp's FX loop (or last, into a clean amp)
Meris Polymoon
Meris
10% matchPut Meris Polymoon after Boss CS-2 Compression Sustainer in the signal chain, clear of Boss CS-2 Compression Sustainer's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Black Arts Toneworks LSTR Fuzz
Black Arts Toneworks
tonal matchBoss CS-2 Compression Sustainer leans into a clean amp's front end, precisely the platform Black Arts Toneworks LSTR Fuzz wants
Tone City Dry Martini
Tone City
tonal matchBoss CS-2 Compression Sustainer leans into a clean amp's front end, precisely the platform Tone City Dry Martini wants
Electro-Harmonix EH-1335/EH-3075 Hot Tubes
Electro-Harmonix
tonal matchElectro-Harmonix EH-1335/EH-3075 Hot Tubes's own voicing points at a clean amp's front end, and Boss CS-2 Compression Sustainer delivers it
Ashdown Geezer Butler Signature
Ashdown
tonal matchAshdown Geezer Butler Signature is voiced for a clean amp's front end — Boss CS-2 Compression Sustainer gives it exactly that
Cheaper alternatives
Boutique & premium upgrades
Origin Effects SlideRIG Compact Deluxe
Origin Effects
70% similarityShared character: compressor, compression, subtle
Citadel Bus Driver Compressor
Citadel
70% similarityShared character: compressor, smooth, compression
Dan Armstrong Orange Squeezer
pedal
69% similarityShared character: compressor, compression, subtle
Jackson Audio hour-glass
Jackson Audio
94% similaritysimilar tone character
Similar charactersee all similar tone character →
Demeter Compulator
Demeter
73% similarityShared character: compressor, attack, smooth
MXR M102 Dyna Comp
MXR
72% similarityShared character: sustain, noise, compressor
MXR Dyna Comp
MXR
72% similarityShared character: sustain, noise, compressor
Wampler Ego Compressor
pedal
71% similarityShared character: sustain, noise, compressor
MXR Custom Shop CSP028 Vintage Dyna Comp
pedal
71% similarityShared character: sustain, noise, compressor
Jackson Audio Bloom EQ Boost Compression
Jackson Audio
71% similarityShared character: sustain, noise, compressor
See all alternatives to the Boss CS-2 Compression Sustainer (cheaper + boutique) →
Questions people ask
What are good alternatives to the Boss CS-2 Compression Sustainer?+
The closest matches in character are the Demeter Compulator, the MXR M102 Dyna Comp, the MXR Dyna Comp. Budget picks: Maestro Arcas Comp, Teisco Mini Compressor, Valco Under Pressure Classic Compressor. Boutique upgrades: Origin Effects SlideRIG Compact Deluxe, Citadel Bus Driver Compressor, Dan Armstrong Orange Squeezer.
What pairs well with the Boss CS-2 Compression Sustainer?+
Strong matches from rig and tone-complementarity evidence: 1964 Vox AC30, Synergy SL2 Module, Friedman BE-Mini Head — Run the CS-2 before the AC30 for transparent, smooth compression before the amp's own chiming British sparkle reacts..
How much does the Boss CS-2 Compression Sustainer cost?+
Around $99 (live listing price, updated Aug 27, 2026).