AutoEQ: created a HyperX Cloud III S EQ settings file
Since I couldn't find an EQ file for the 3S, I created one with AutoEQ using these measurements
GraphicEQ: 20 1.1; 21 1.0; 22 1.0; 23 1.1; 24 1.3; 26 1.6; 27 1.8; 29 2.2; 30 2.4; 32 2.6; 34 2.6; 36 2.5; 38 2.3; 40 2.1; 43 1.6; 45 1.3; 48 0.9; 50 0.9; 53 1.0; 56 1.1; 59 0.9; 63 0.1; 66 -0.8; 70 -1.6; 74 -2.0; 78 -2.0; 83 -1.8; 87 -1.8; 92 -1.5; 97 -1.1; 103 -0.7; 109 -0.4; 115 -0.0; 121 0.3; 128 0.5; 136 0.6; 143 0.7; 151 0.7; 160 0.9; 169 1.1; 178 1.2; 188 1.2; 199 1.2; 210 1.1; 222 1.1; 235 1.4; 248 1.4; 262 1.3; 277 1.3; 292 1.3; 309 1.4; 326 1.2; 345 1.0; 364 0.6; 385 0.1; 406 -0.5; 429 -1.1; 453 -1.6; 479 -1.9; 506 -2.1; 534 -2.1; 565 -2.0; 596 -1.9; 630 -1.9; 665 -2.0; 703 -2.2; 743 -2.3; 784 -2.5; 829 -2.7; 875 -2.9; 924 -3.0; 977 -3.0; 1032 -2.7; 1090 -2.2; 1151 -1.8; 1216 -1.8; 1284 -1.9; 1357 -2.3; 1433 -2.5; 1514 -2.4; 1599 -2.1; 1689 -1.9; 1784 -1.7; 1885 -1.3; 1991 -0.5; 2103 0.5; 2221 1.3; 2347 2.0; 2479 3.2; 2618 4.4; 2766 4.9; 2921 4.5; 3086 4.2; 3260 3.8; 3443 2.8; 3637 3.6; 3842 3.9; 4058 2.6; 4287 2.0; 4528 1.4; 4783 0.6; 5052 0.5; 5337 0.7; 5637 -0.2; 5955 -1.9; 6290 -3.1; 6644 -2.7; 7018 -1.0; 7414 0.1; 7831 0.2; 8272 0.4; 8738 0.8; 9230 1.2; 9749 1.8; 10298 2.4; 10878 3.0; 11490 3.6; 12137 4.2; 12821 4.9; 13543 5.7; 14305 6.0; 15110 6.0; 15961 6.0; 16860 6.0; 17809 6.0; 18812 6.0; 19871 6.0
How to use: Copypasta into "Cloud III Wireless S.txt" and point your favourite EQ tool to it (EqualizerAPO, HeSuVi etc)