dB Technologies ES 503 – Column PA System

The ESdB Technologies ES 503 – Column PA System503 is a powerful 1000W Peak Power Amp sound system comprising two slave 4x 3” full-range tops and one master 12” subwoofer. dBTechnologies engineered these components for an impressive SPL/size ratio: the tops measure 95x355x137 mm and weigh 1.9 kg each, while the subwoofer measures 465x400x430mm, weighing 16.4 kg, resulting in an overall 121 dB SPL output. The subwoofer features a Digipro G3® amp module with auto-range PSU and a 3-channel mixer with Bluetooth connectivity. An efficient DSP manages the digital mixer, enhancing the ES503’s sound performance and adaptability.

The tops’ internal design enables asymmetrical vertical coverage, utilizing Logarithmic Curved Column Array technology, and a unique “double-ringed” phase plug that broadens horizontal coverage and ensures clear voice intelligibility. This design versatility allows the ES503 to adapt seamlessly to various audience positions, whether seated or standing.