Features 1、Portable alloy guitar effects pedalboard, made of supreb material, it is reliable to use. 2、(Optional)Canvas bag that safely and securely transports your pedals from gig to gig and with n-on-slip MATS for fastening the board. 3、Convenient for guitarists carry when go out play. Specification Features: Portable alloy guitar effects pedalboard, made of supreb material, it is reliable to use. (Optional)Canvas bag that safely and securely transports your pedals from gig to gig and with n-on-slip MATS for fastening the board. Convenient for guitarists carry when go out play. Professional grade adhesive backed hook-and-loop for securing pedals included. Specifications: Type: Type 1: pedalboard 400*130*40mm/ Type 2: pedalboard 370 *274 *40mm/ Type 3: pedalboard 470 *270 *40mm/ Type 4: Only Bag Material : Alloy(Type 1-3)/ Canvas(Type 4） Color: Black Package size: Type 1: 400*130*40mm/ Type 2: 370 *274 *40mm/ Type 3: 470 *270 *40mm/ Type 4: 330 *320 *20mm Package weight: Type 1:650g/ Type 2: 1190g/ Type 3: 1500g/ Type 4: 530g How to use： 1. First you need to have two guitar connection lines, one connect electric guitar, and then connect the INPUT port of the Pedalboards effects . 2. Another guitar connection lines,connect the Electric Guitar Pedal C-ase Board INPUT and Output of the guitar c-ase. 3. Balance of the speaker to the middle of the whole, GAIN to the smallest, the v-olume is closed to the minimum, 4. Open the speaker and Pedalboards effects of the p-ower switch,knob to open the v-olume to middle. 5. Slowly opened the speaker voice, adjustment to the appropriate v-olume 6. Adjust the GAIN knob, step on the pedalboards effects and sound can be selected you need. Note: This Guitar Pedal Board is not with the p-ower jack Packing list: [Type 1,Type 2,Type 3]: 1Set *Guitar Pedal Board 1Set * Accessories [Type 4] 1 *Bag