The future of sound Made perfectly clear

The Kingdom of Perfectly Clear Sound


The Kingdom of Perfectly Clear Sound

ES1.8 High-Output Active-Driven Subwoofer



The ES 1.8 is a high-output, reflex horn loaded, single eighteen inch subwoofer designed as a part of the ES Series sound reinforcement system. It provides tight, up front, low frequency extension with authority, attack and definition. Designed to be used in pairs, or with an ES 1.5, the ES 1.8 can achieve high output levels consistently and safely. Alongside the ES 1.0 and EPAK 2500/R, ES 1.8 offers a very firm foundation on which to build a powerful ES system.​


  • Very high quality fixed installations.
  • Professional portable PA Systems for large format AV speech and multimedia playback.
  • Medium-sized live music applications.
  • Professional Mobile DJ with ES 1.0 and EPAK 2500/R.


System Acoustic Performance

Max SPL Long-term 131dB (136dB – 2x ES 1.8)
Max SPL Peak 134dB (139dB – 2x ES 1.8)
-3dB Response 37Hz ÷ 130Hz
-10dB Response ​33Hz ÷ 130Hz
​​Crossover Point ​​130Hz


Low Frequency Section

Acoustic Design Horn reflex loaded
Subwoofer Amplifier 800W / ES 1.8 from
Requirement EPAK 2500/R
Woofer Size / Voice Coil ​18″ / 4″ / Inside Outside
Diameter / Design
Diaphragm Materia ​​Epoxy Reinforced Cellulose
​Magnet Type ​Ferrite​

Speaker Input

Speaker Input ​EP4

​Speaker Output

Speaker Output​



​​Cabinet Material Baltic birch​
Handles 4
Color ​”Orange peeled” Matt Black or any RAL


​​Product Number

KVV 987 004 – ES1.8


​Physical Dimensions

Height ​600mm (23.62″)
Width​​ 700mm (27.55″)​​
Depth​ 750mm (29.52″)
Weight ​52kg (114.4lbs)