About the manufacturer
KMA Audio Machines is a guitar-effects maker. The current GPAS selection includes Logan Overdrive, KMA Machines Mandrake Octo-Shrieker Octave and Queequeg 2 Sub Generator Octave and covers overdrive pedals, octave pedals, noise gate pedals and distortion pedals. The model name matters because each effect has a different job in a rig.
For these products, compare effect function, control range, switching, bypass or routing, power requirements and the intended guitar or bass role. The product page is the authority for exact circuitry, connections, condition and included items.
More info about this Product
Guitar pedals are compact effects units that shape and enhance a guitar’s sound, sitting between the instrument and the amplifier. They include gain pedals like overdrive and distortion, modulation effects such as chorus and tremolo, time-based effects like delay and reverb, and essential utilities including tuners, compressors and loopers. Understanding basic things such as pedal type, signal order, power requirements and intended use helps players choose pedals that suit their style, setup and playing environment.
A noise gate reduces or mutes the signal when it falls below a threshold, separating wanted notes from hiss, hum and high-gain noise. Threshold decides when the gate closes, while attack, release and hold control how naturally it opens and how note tails decay. Side-chain or four-cable designs can detect the clean input while silencing noise later in the gain chain.
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Boost pedals give your signal that extra push — perfect for cutting through the mix or driving your amp into sweet natural overdrive. Whether you want a clean volume lift for solos or a touch of grit to wake up your tone, a good boost adds clarity, punch, and presence without changing your core sound. Simple, powerful, and essential on any board, a boost pedal can turn a good tone into a great one with just one stomp.
Guitar pedals alter, route, control or support an instrument signal from the floor. The tag covers individual effects, multi-effects, switching, tuning, looping, amplification and pedalboard utilities. The product category and additional effect tags identify the specific job each pedal performs.