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dB Technologies ES 503 - Column PA Stereo System The dB Technologies ES 503 is a powerful 1000W column PA stereo system designed for DJs, musicians, and sound technicians. It delivers clear, high-quality sound with advanced DSP technology in a compact, portable design, ideal for any event or live performance. Key Features 1000W peak power amplifier with Digipro G3® amp module and auto-range PSU Two slave 4 x 3” full-range satellite tops and one master 12” bass-reflex subwoofer Impressive 121 dB SPL output with compact, lightweight design (tops: 95 x 355 x 137 mm, 1.9 kg; subwoofer: 465 x 400 x 430 mm, 16.4 kg) 3-channel mixer with built-in Bluetooth™ stereo module for wireless audio streaming Advanced DSP managing on-board digital mixer functions for superior sound quality and versatility Logarithmic Curved Column Array technology for asymmetrical vertical coverage and enhanced horizontal dispersion Unique “double ringed” phase plug ensuring excellent voice intelligibility Four flexible system configurations: Mono Mode, Stereo Mode, Stereo Mode (mixed stands), and Double Column Mode with master-slave setup Durable birch plywood enclosure with scratch-resistant black coating and two side handles for easy transport Inputs include balanced connectors, two Speakon outputs, and a VDE power connector Specifications Power: 1000W Peak Subwoofer: 12” woofer, bass-reflex design Full-range tops: 4 x 3” drivers each Dimensions (tops): 95 x 355 x 137 mm Weight (tops): 1.9 kg each Dimensions (subwoofer): 465 x 400 x 430 mm Weight (subwoofer): 16.4 kg Maximum SPL: 121 dB Amplifier module: Digipro G3® with auto-range PSU Mixer: 3-channel with Bluetooth connectivity Coverage: Asymmetrical vertical and wide horizontal dispersion System Configurations Mono Mode: Two satellites connected top-on-top via slide connection, mounted on the subwoofer using a D25mm pole Stereo Mode: Each satellite placed on a tripod stand Stereo Mode (Mixed): One satellite on a pole, one on a tripod Double Column Mode: Master ES 503 controls a second ES 503 system via integrated balanced output, with setup managed through the master’s OLED display What's in the Box 2 x 4 x 3” full-range satellite tops 1 x 12” bass-reflex subwoofer with built-in amplifier and mixer Connection hardware for Mono Mode assembly Power cable with VDE connector