The 16,000 seater Barclays Arena in Hamburg is undergoing large renovations. For the acoustics, we were asked as the go-to guys in the area of serious bass control. There may be significant differences between an arena and night clubs, but the principals of physics remain the same.

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Technical specifications
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38x Lambda Labs FRPA broadband absorbers
473m² Siléncio 40/50 absorber material (5mm)
120m² Siléncio 40/30 absorber material (3mm)
194m² hemp absorber material (3mm)
165x Artnovion (custom) hybrid-absorbers