Fairfield Circuitry Long Life Parametric EQ, Effect pedal for electric guitar, electric bass & synthesizer, Single-band parametric equaliser with some extras, The frequency response can be tilted variably around the centre frequency from low-pass to high-pass, An expression pedal can control the centre frequency, Fully variable Q that switches to self-oscillation, CV inputs for resonance (Q) and frequency (F), Synthesiser interface with V/octave scaling, Controls: Freq, Q, Gain, Tilt, Vol, LED: Effect On, Footswitch: Effect Bypass, Input: 6.3 mm jack, Output: 6.3 mm jack, Power supply connection: Barrel connector 5.5 x 2.1 mm, negative polarity inside, Power consumption: 150 mA, Power supply via 9 V DC mains adapter (not included in delivery - suitable mains adapter: Art.#409939#), True bypass, Dimensions (W x D x H): 95 x 122 x 50 mm, Weight: 360 g, Made in Canada@+*Note:* Battery operation is not supported.