dB Technologies ES503 3-Amped Stereo System

BH #DBES503 • MFR #ES-503
dB Technologies
dB Technologies ES503 3-Amped Stereo System
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Expected availability: 3-7 business days

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  • This item is noncancelable and nonreturnable.

dB Technologies ES503 3-Amped Stereo System

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dB Technologies ES-503 Overview

The ES503 3-Amped Stereo System from dB Technologies is a 1000W 3-amped sound system composed by 2 slave 4 x 3" full-range tops and 1 master 12" subwoofer. The sub hosts a Digipro G3 amp module with auto-range PSU and a 3-channels mixer with Bluetooth connection. It is equipped with a three-channel mixer controlled by a DSP. The first channel features a MIC/instrument balanced/unbalanced combo connector with an adjustable anti-feedback filter, impedance compensation, and microphone gain with 3 positions (0, +10, + 20 dB). The second and third channels are LINE inputs with balanced/ unbalanced combo connector. The system is provided with several preset equalizations, and each user can create and save its own custom equalization.


  • 3-amped stereo system
  • OLED DSP interface
  • Stereo or mono configuration
  • On board 3-channel digital mixer
  • Built-in extended range Bluetooth stereo audio receiver
  • Customizable balanced output channel
  • Logarithmic column array for extended vertical coverage
  • Double-ringed phase plugs
  • Auto range PSU


  • Portable PA for live sound and playback applications, clubs, ballrooms, corporate AV
  • Compact live sound reinforcement system

dB Technologies ES-503 Specs

Acoustic Specifications
Frequency Response-10 dB: 37 to 15000 Hz
Maximum SPL121 dB
Driver SizeMedium to High Frequency: 8 x 3.0" (7.6 cm) Neodymium drivers
Low Frequency: 1 x 12.0" (30.5 cm)
Directivity95 x 65°
TechnologyDigipro G3
ClassClass D
Power Amp1000 W
Controls1x OLED display plus rotative knob with push-button
1x Audio signal monitoring LED
1x Mini USB B port (service data)
Power SupplySMPS with PSU auto-range
Power ConnectionsVDE socket
ControllerDSP: 56-bit
ConverterA/D Conversion : 24-bit/48 kHz
PresetsFactory: Flat, playback, club, vocal, monitor, anti-feedback
User: Low shelving, semiparametric filter, high shelving
LimiterDual active, RMS, peak, thermal
Crossover FrequencyLow to High Frequency: 206 Hz
ChannelMic/Instrument: 1 x Combo (XLR-1/4") balanced/unbalanced input
ChannelLine: 2 x Combo (XLR-1/4") balanced/unbalanced inputs
Media: 1 x Built-in hi-range stereo Bluetooth audio receiver
OutputMix: 1 x XLR balanced output
HousingSubwoofer: 0.6" (15.0 mm) black painted birch plywood
Tops: Polypropylene PP
Dimensions (W x H x D)Tops: 3.74 x 13.98 x 5.39 (9.50 x 35.51 x 13.69 cm)
Subwoofer: 18.3 x 15.7 x 16.9" (46.5 x 39.9 x 42.9 cm)
WeightEach Top: 4.19 lb (1.90 kg)
Subwoofer: 36.16 lb (16.40 kg)
Packaging Info
Package Weight56.5 lb
Box Dimensions (LxWxH)24.5 x 23 x 20.5"
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