JBL Professional audio solution delivers pristine sound for ‘BNS’ drive‐in concerts in Sri Lanka


To deliver excellent sound and provide fans with an unforgettable experience, Universal Sound Productions equipped the BNS Drive‐in Concerts with a world‐class HARMAN Professional audio solution that includes an array of JBL Professional VerTec Series loudspeakers. Treating fans to their first live music experiences since the COVID‐19 outbreak, the BNS Drive‐in Concerts were the first ever drive‐in concerts in Sri Lanka and the first in South Asia since the lockdown. “Since these were held at an airport, the venue had many challenges to overcome,” said Malinda Lowe of Universal Sound Productions.

“The stage was directly facing massive aircraft hangers and many of them were made of metal structures, so we had to work with JBL Line Array Calculator (LAC) to get rid of all the slap back with accurate measurement. We were also not in a position to deploy towers, as they would obstruct the view, so we managed to deliver the required vertical coverage despite the heavy surrounding wind. One thing I love about the JBL loudspeakers is their HF/MF waveguides and power handling.” “The other challenge was to match the PA feed with the broadcast feed, as BNS wanted the audio to be synchronized perfectly,” Lowe said. “The JBL Performance Manger software and Soundcraft ViSi Remote app played major roles in accomplishing this task. By measuring a few vehicles running pinknosie through the radio feed at different locations, we managed to match the radio broadcast with the PA and outer fills.” Delivering excellent, consistent audio across the venue, Universal Sound Productions deployed 40 JBL VT4888 3‐way high‐directivity loudspeakers. Both the left and right arrays comprised of 12 speakers, while the remaining 16 were equally divided and positioned in four ground stacks. For powerful, accurate low‐frequency response, Universal Sound Productions positioned 24 VTX G28 dual 18” subwoofers across the front stage and eight VT4882 midsize subwoofers on the sides. The system also featured 8 SRX712M 12” two‐way stage monitors and one PRX618S 18” self powered subwoofer.

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