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Compact Active-Driven Subwoofer

The ES1.5 is a single 15", extremely compact, high-output subwoofer weighing just 30.8 kg (67.9 lbs) designed as part of the ES Series speaker system. Used singularly or in multiples of up to three alongside a single ES1.0 mid-high cabinet, the system is powered by the EPAK2500/R Amplifier, ensuring a fast, easy setup with perfect balance and complete control. The EPAK2500/R also allows up to two ES1.5’s to be used alongside an ES1.8, where the ES1.5 can either be flown alongside an ES1.0 or ground stacked with the ES1.8.


  • Professional Baltic birch construction with a highly resistant polymer coating

  • 127dB sustained output / 130dB peak per unit and 134dB / 137dB peak when using 3 units

  • Acoustic loading via Asymmetrical Bandpass

  • 15" bass driver with 3" (76 mm) inside/outside, epoxy baked, high-temperature voice coil assembly, and ferrite magnetic structure

  • Proprietary side handle design for simplified handling and carrying

  • High-impact low, friction feet, asymmetrically located on three sides, allowing vertical or horizontal system setup, lock-in, and easy cabinet movement

  • Four internal corner braces tied to eight M10 suspension points.A total of 24 suspension points are available for custom installation applications.

  • Weatherproofing options and special paint finishes are available on request.


Specifically designed to accompany and compliment the ES1.0 as a true full-range compact system

  • Portable PA

  • Fixed Installations

  • Bars and Nightclubs

  • Houses of worship

  • Can be integrated with other ES subwoofers

System Acoustic Performance

Max SPL Long-term: 127dB (134dB - 3x ES1.5)

Max SPL Peak: 130dB (137dB - 3x ES1.5)

-3dB Response: 40Hz to 130Hz

-10dB Response: 36Hz to 130Hz

Impedance: 16Ω

Crossover Point: 130Hz

Low-Frequency Section

Acoustic Design: Twin Asymmetrical loading

Low Frequency Amplifier Requirement: 500W / ES1.5 from EPAK 2500/R

Woofer Size / Voice Coil Diameter / Design: 15" / 3" / Inside Outside

Diaphragm Material: Epoxy Reinforced Cellulose

Magnet Type: Ferrite

Speaker Input

Speaker Input: AP4

Speaker Output

Speaker Output: AP4


Cabinet Material: Baltic birch

Handles: 2

Color: "Orange peeled" Matt Black or any RAL

Physical Dimensions

Height: 700 mm (27.55")

Width: 450 mm (17.71")

Depth: 450 mm (17.71")

Weight: 30.8 kg (67.9lbs)

Product code

  • KVV 987 003 - ES1.5

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