42 Bands Audio Spectrum Analyzer - SMD

This board layout is intended to accomodate for 42 Bands Audio Spectrum Analyzer using 6 x 7 Band MSGEQ ICs (SOIC-8) and 2 x Si5351 surface mount clock generator circuits. Board size is 90.0mm x 54.5mm which is reasonable size for using a Hot-plate. Added to the design is a TPA3116D2 audio amplifier 2 x 50 Watts  with left and right volume control which needs 12-24V supply and a heatsink. Available on Aliexpress, search HX-M562 50W + 50W stereo for $0.99 each.
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LED panel                             x2 = 66.17  Ws2812 full color LED screen RGB color dot matrix 16 * 32 dot matrix SPI protocol 2020 small light beads - AliExpress 39