The Q-Box is a finely tuned digital envelope filter stompbox which delivers a wide range of autowah and dynamic wah effects. It features 3 modes: Touch wah mode with high pass filter, touch wah mode with low pass filter, Autowah mode with low pass filter. And with the onboard RANGE, Q and SPEED knobs, Q-Box can dish up all kinds of tasty Q sounds. - True Bypass Footswitch - Zinc Alloy Outer Cover - Transparent top knob and 2 noctilucent small knobs - Dimension: 74 x 44 x 44 mm - Weight: 0,19 kg.