Alternatives to the Greer Amps Sonic Boom

MXR Custom Shop Timmy Overdrive

Shared character: boost, transparent, natural

Friedman Buxom Boost

Shared character: boost, alternative, transparent

ThorpyFX Electric Lightning

Shared character: boost, clarity, transparent

Analog Man King of Tone

Shared character: boost, amp, clarity

Keeley D&M Drive

Shared character: boost, transparent, gain

Black Arts Toneworks -Skyboost

Shared character: boost, amp, transparent

Behringer PB100 Preamp Booster

Shared character: boost, amp, alternative

TC Electronic Spark Mini Booster

Shared character: boost, amp, transparent

DigiTech DOD Looking Glass Signature Designer Distortion

similar tone character

Electro-Harmonix LPB-1

similar tone character

Fortin Amplification Fourteen dual boost

similar tone character

Lovepedal Eternity

similar tone character

ThorpyFX Gunshot Overdrive V1

similar tone character

J. Rockett Steampunk Boost/Buffer

similar tone character

Keeley Katana Clean Boost V2

similar tone character

Beetronics Buzzter Boost Preamp

similar tone character

Dr. Scientist Boostbot

similar tone character

Crazy Tube Circuits Falcon

similar tone character

MXR Booster

similar tone character

Keeley KTM-B Time Machine Boost

similar tone character

Jackson Audio Golden Boy

similar tone character

Matthews Effects The Gentleman Overdirve Boost

similar tone character

Keeley Angry 4-in-1 Distortion/Fuzz

similar tone character

Carl Martin Hot Drive 'N Boost mkI

similar tone character