Features:<br />Dual channels preamp pedal, and each channel with gain and volume controls.<br />The blue channel has a silky chime that is deep, spacious and sensuous. The red channel supplies a cranked ballsy tone with exquisite upper-end sparkle, rich harmonics and singing sustain.<br />Integrated speaker cabinet simulation function; and Independent 3-band EQ: Treble, Middle, Bass.<br />2 different modes for footswitch operation: preamp on/off or channel A/B.<br />The LED button can switch between channel A/B(Blue/Red), or switch cab simulation on/off.<br/>Specifications:<br />Input: 1/4&#34; Monaural Jack (impedance: 1M ohms)<br />Output: 1/4&#34; Monaural Jack (impedance: 100 ohms)<br />Power Supply: DC 9V (Center negative)(not included)<br />Working Current: 220mA<br />Item Size: 9.2 * 3.8 * 3.5cm / 3.6 * 1.5 * 1.4in<br />Item Weight: 160g / 5.6oz<br />Package Size: 10.5 * 6 * 5cm / 4.1 * 2.4 * 2in<br />Package Weight: 180g / 6.3oz<br/>Note:<br />The power adapter is not included.<br />Please use the power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.<br/>Package List:<br />1 * Effect Pedal<br />1 * User Manual(English &amp; Chinese)