JOYO PXL-PRO pedal controller is equipped with 4 built-in programmable triggers. Its 8 LOOP channels can be used as dual independent 4-channel setting. 32 effects sets can match your need better.         Features:      Total 8 LOOP channels, but can be used as dual independent 4-channel setting.      Offers maximum storage of 32 effects sets, various choices to match your need better.      Equipped with 4 built-in programmable triggers, to switch the Amp channel or effects mode settings with them.      Four triggers can be set separately, like trigger polarity, mode and action status (including the settings under BYPASS)      With tuner interface and mute switch for keeping mute or tuning.      Buffered bypass will color your tone, allow you to run long cables without worry.      Metal alloy housing, durable and sturdy.         Specifications:      Color: Black      Material of housing: Metal alloy      Channel: 4 loops * 2      Power consumption: 240mA DC 9V      Product size: 54 * 6.5 * 3.5cm / 21.3 * 2.6 * 1.4in      Product weight: 1754g / 3.87Lb      Package size: 56 * 9 * 7cm / 22 * 3.6 * 2.8in      Package weight: 1932g / 4.25Lb         Note:      Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.         Package List:      1 * Pedal Controller      1 * User Manual(English & Chinese)