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 . 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.