An expertly crafted, all-aluminum audio amplifier chassis (Model:CJ-187) perfect for DIY enthusiasts. With precise external dimensions: Width 430MM x Height 70MM x Depth 310MM and spacious internal dimensions: Width 410MM x Height 60MM x Depth 299MM, it offers ample space for your audio equipment. The front panel with a material thickness of 8MM for robust protection against accidental hits. The back panel and the left and right side plates with 4MM thickness offer durability and longevity. The upper and lower cover with a 3MM thickness ensures the safety of your equipment. Model Number:CJ-187 Colour:Black & Silver Material:aluminum Size:43x31x7cm Package Contents: 4 * machine feet 1 * knob 1 * power button 1 * power input socket 1 batch * screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.