Introducing the Sonicake QEP-01 VolWah Active Volume Control Wah Expression Pedal. Made by well established brand Sonicake, who make a large range of affordable Guitar Pedals. SONICAKE VolWah Active Volume Control & Wah Expression Pedal QEP-01 Guitar Parts Accessories
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.
An expression pedal or expression input allows real-time, hands-free control over an effect’s parameters while playing. It is commonly used to adjust settings such as volume, sweep, depth, or modulation speed, giving players dynamic control and greater expression without stopping to tweak knobs.
Volume controls the overall output level of a signal, determining how loud the sound is sent to an amplifier, speaker, or audio system. It affects the final signal level without directly changing the tonal character of the sound.
In guitar and audio equipment, volume is used to balance levels between instruments, pedals, and channels, and to control dynamics in live and recording environments. Adjusting volume can also influence how other components respond, particularly in analogue circuits where level affects feel and interaction.
Wah pedals are all about expression. By rocking the foot pedal back and forth, you sweep through frequencies to create that classic vocal-like “wah-wah” sound. From funk to rock solos, the wah adds movement, personality, and attitude to your tone. Think Hendrix, Clapton, or Slash — each used a wah to make their guitar sing. Whether you prefer a classic Cry Baby or a modern auto-wah, this effect remains one of the most recognisable sounds in guitar history.
