dB Technologies ES 503 Stereo Column PA System with Subwoofer

The dB Technologies ES 503 is a plug-and-play, 3-amped stereo column system designed for those who refuse to compromise on high-fidelity sound for the sake of portability. Combining a thunderous 12” active subwoofer with two high-clarity tops, this system delivers a whopping 1000W peak output. Whether you are a touring solo musician, a mobile DJ, or a corporate presenter, the ES 503 provides the professional sound reinforcement and versatile configurations required to dominate any South African venue.

At the heart of the ES 503 is the Digipro® G3 Class-D amplifier, engineered for maximum efficiency and transparency. This technology provides 1000W of peak power, allowing the system to reach an impressive 121 dB SPL while remaining incredibly lightweight. For the performer, this means pristine audio character and enough headroom to handle dynamic peaks without distortion, ensuring your mix stays warm and defined even at high volumes.

The internal design of the tops utilizes Logarithmic Curved Column Array technology to provide asymmetrical vertical coverage. This is paired with unique "double-ringed" phase plugs that widen horizontal dispersion, ensuring perfect voice intelligibility throughout the room. Whether your audience is seated or standing, the ES 503 eliminates "dead zones," projecting a rich, consistent soundstage that makes every seat the best in the house.

Smart DSP Workflow: Total Control at Your Fingertips 

Simplify your setup with the integrated 3-channel digital mixer and high-resolution OLED display. The advanced DSP manages everything from crossover frequencies to dual active limiters, protecting your gear while optimizing performance. With built-in Bluetooth® for wireless streaming and a variety of factory presets (Flat, Playback, Club, Vocal, etc.), you can adapt the system’s character to any environment in seconds using a single rotary encoder.

• A portable stereo PA system with size-defying performance
• Comprises 2 passive full-range satellite loudspeakers and a powered subwoofer
• Brawny 1,000W Class D Digipro G3 amplifier achieves a healthy 121dB SPL
• Each satellite is equipped with 8 x 3-in. neodymium mid-woofer drivers
• Logarithmic Curved Column Array technology yields asymmetrical vertical coverage
• Unique double-ringed phase plugs exhibit ultra-wide horizontal coverage
• Generous 37Hz–15kHz frequency response
• 3 Configuration Modes — Mono, Stereo, and Double Column — accommodate an endless range of applications
• 3-channel digital mixer with 3 flexible inputs
• Bluetooth connectivity facilitates straightforward audio streaming from smartphones or other Bluetooth-equipped devices
• Sturdy plywood subwoofer enclosure with a scratch-resistant coating
• Intuitive OLED-screen-based system configuration

Tech Specs: 

• Speaker Type: 3-Amped Stereo Column System
  
• Frequency Response (-10dB): 37 Hz – 15,000 Hz
  
• Maximum SPL: 121 dB
  
• Directivity: 95° x 65°
  
• Amplifier Technology: Digipro® G3 Class-D
  
• Power Output (Peak): 1000 W
  
• LF Driver: 12” Active Subwoofer
  
• MF - HF Drivers: 8 x 3” Neodymium
  
• Audio Inputs: 1x Mic/Inst (Combo), 2x Line (Combo)
  
• Wireless: Built-in Bluetooth® Receiver
  
• Audio Output: 1 x XLR Balanced Output
  
• Processor: 56-bit DSP; 24-bit/48kHz AD/DA
  
• User Interface: OLED Display + Rotary Encoder
  
• Subwoofer Cabinet: 15mm Black Painted Plywood
  
• Top Cabinets: Polypropylene (PP)
  
• Weight: 16.4 kg (Subwoofer); 1.9 kg per top unit
• Discover more dB Technologies Line Arrays [ES 503]: https://www.dbtechnologies.com/en/products/es/es-503