Diffusion board solid wood acoustics Folding well full frequency diffus board QRD secondary remainder body six or seven steps two-dimensional 29 steps

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Color classification:: Full-frequency diffusion 600*600*70 full-frequency diffusion 600*600*100 full-frequency diffusion body 1200*600*70 full-frequency diffusion 1200*600*100 full-frequency diffuser 1800*600*70 full-frequency diffusion body 1800*600*100 full-frequency diffuser 2400*600*70 full-frequency diffuser 2400*600*10029 order diffusion body 1200*540*150mm folding well 600*600*70mm folding well 600*600*100mm folding well 1200*600*100mm folding well 1800*600*70mm folding well 1800*600* 100mmHIF diffuser 1200*300*100mm medium low wall trap extreme low frequency trap low frequency trap customized full frequency