Active Volume & Wah Expression Pedal QEP-01

Active Volume Control and Wah Expression Pedal QEP-01

delivers precise volume shaping and classic wah tones in one compact, pedalboard-friendly unit. Designed for electric guitarists who need reliable control over dynamics and expression on stage or in the studio, this pedal combines an active volume circuit with a responsive vintage-style wah in a single, easy-to-use enclosure.

The QEP-01 is built around a pure analog circuit, ensuring natural response and smooth, musical operation. In volume mode, the active circuit helps avoid common impedance mismatch issues that can dull your tone or reduce signal clarity, especially in complex pedal chains. This mode lets you perform controlled swells, subtle level adjustments, and clean fade-outs without sacrificing your core sound. In wah mode, the pedal follows the familiar Crybaby-style character: vocal, dynamic, and touch-responsive, suitable for everything from subtle tone shaping to pronounced, rhythmic wah effects across a wide range of musical genres.

The mini-sized housing is designed to save space on crowded pedalboards while still offering a comfortable treadle feel underfoot. The casing is made from hard plastic that is lightweight yet robust enough for regular transport and live use. Two clearly visible LED indicators show which mode is currently active, allowing you to confirm your settings at a glance on dark stages. The pedal operates on a standard 9V DC power supply (negative center, 22 mA, not included), making it easy to integrate with most existing power setups.

Technical details include an input impedance of 1M Ohms in volume mode for optimal guitar pickup interaction, and an output resistance of 100 Ohms in expression mode to maintain a stable signal to your amp or subsequent pedals. Compact dimensions of approximately 148.5(D) x 65.5(W) x 61(H) mm make it a practical choice for players who need full functionality without sacrificing valuable pedalboard space. Each unit comes with the QEP-01 pedal and an English user manual to help you get set up quickly.

Why It's a Smart Choice

• Combines active volume control and expressive wah in one pedal, reducing the need for multiple units on your board.
• Pure analog circuitry and active volume design help preserve clarity, dynamics, and tone across a wide range of setups.
• Compact, lightweight construction with dual LED indicators offers practical, reliable operation for rehearsals, live shows, and studio work.

FAQ

Q: Does the QEP-01 require a battery?
A: No, it is designed to operate with a 9V DC power supply (negative center, 22 mA). The power adapter is not included.

Q: Can this pedal be used with other instruments besides electric guitar?
A: Yes, it can be used with other electric instruments that work with standard 1/4" connections, though it is voiced primarily with electric guitar in mind.

Q: Is the wah sound suitable for different music styles?
A: The wah section follows a classic, Crybaby-style character that fits rock, blues, funk, fusion, and many other genres.

Q: Will the active volume mode affect my tone when the pedal is not in use?
A: The active circuit is designed to maintain signal integrity and help avoid impedance-related tone loss, especially in more complex pedal chains.

Q: Is it easy to see which mode is engaged on stage?
A: Yes, the pedal includes two LED indicators that clearly show the current operating mode, making it straightforward to confirm your settings in low-light environments.