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Korean outlet malls invest in Powersoft

Powersoft technology is supporting a major audio upgrade at two South Korean retail destinations, with the company’s Mezzo and Quattrocanali amplifiers powering both background music (BGM) and public-address (PA) systems at Lotte Premium Outlet shopping centres in the cities of Busan and Yeoju. The project was designed and delivered by DasanSR, Powersoft’s South Korean distributor.

Both sites are open-air outlet malls operating 365 days a year. The new sound system replaces ageing amplifiers with modern, networked Powersoft amplifier platforms, restoring coverage in hard-to-reach areas. At Busan, the upgrade - to a fully live system - was completed by DasanSR over the course of a fortnight, while at Yeoju the main phase of work was carried out over five nights, all with no disruption to day-time trading.

The two shopping centres share a similar layout, with multiple smaller buildings lining pedestrian “streets” and amplifiers distributed in insulated rooms throughout each site. From the outset, both locations were built around digitally networked infrastructures using the now-obsolete CobraNet platform from source to amplifier.

The 2025 upgrade (which followed an initial phase completed in December 2023) focused on replacing failed and at-risk amplifiers with the new Powersoft models while simultaneously modernising the network architecture. The Yeoju mall now combines CobraNet and AVB, with AVB audio expanders feeding analogue signals to the Powersoft amplifiers, while the Busan site has been migrated to a Dante and QLAN architecture, with Dante audio expanders providing both analogue and Dante outputs in a redundant configuration.

Across both malls, DasanSR deployed a large fleet of Powersoft amplifiers, including Mezzo 322 A/AD, 324 A/AD, 602 AD and 604 A/AD, Quattrocanali 1204 DSP and 2404 DSP/DSP+D, and Duecanali 804 DSP+D and 1604 DSP+D units, in combination with a mixture of Bose, JBL, Quad and Biamp loudspeakers. The compact 1U form factor of Mezzo and the flexibility offered by the Quattrocanali amplifiers allowed DasanSR to maximise channel count while saving rack space, in some cases achieving eight channels in one rack unit (1U) with paired Mezzo amplifiers.

“By switching to Powersoft, we were able to restore coverage in zones that had gone quiet due to amplifier failures, reduce heat generation and offer operators real-time monitoring of every output channel”, says project team leader Jeong Wang-ho. With additional rack space freed up by the Powersoft amplifiers, both sites are now well placed for future expansion and redesign, adds Jeong.

For real-time monitoring, DasanSR leveraged Powersoft’s ArmoníaPlus as a central control and monitoring hub, allowing staff to manage power, mute status, levels and output impedance across both sites from a single interface. At the larger Busan site, dual-path signal routing using both Dante and analogue outputs ensures that audio continues even in the event of a network fault.

Additionally, both malls have been equipped with products from HPE and Netgear (network system), and they also feature gear from Peavey (main system, Yeoju), QSC and Tascam (main system, Busan), plus APC and SurgeX (power system, Busan).

(Photos: Powersoft)

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