The ES 1.5 is an extremely compact yet high output bass module designed as part of an ES Series sound reinforcement speaker system. The ES 1.5 speaker system benefits from being designed exclusively to operate below 100 Hz. By optimizing the ideal operating band pass of each system component; the ES 1.5 can achieve high output levels consistently and safely. Power for the system is provided by the EPAK 2500 Amplifier/Processor ensuring fast, easy set up and complete control. Together with the ES 1.0 and EPAK 2500, they deliver the highest dynamic range of any system currently available providing new levels of clarity, depth and resolution.

• High-output, compact, lightweight Bass Module.
• 126 dB of output (per unit) — 133 dB (when using 3 units).
• Acoustic loading via twin asymmetrical chambers.
• Fifteen-inch mid-bass driver with 3.00” (76mm) voice coil assembly and neodymium magnetic motor structure.
• Professional, exterior grade Baltic birch construction with highly resistant polymer coating.
• Proprietary corner and side handle designs for simplified handling and carrying.
• Acetal copolymer high impact, low friction feet are asymmetrically located on three sides allowing vertical or horizontal system set up, lock-in and easy cabinet movement.
• Four internal corner braces with eight M10 suspension points. A total of 24 suspension points are available for custom installation applications.
  Requires EPAK™ 2500 for control electronics and amplification.
  For full range systems, use with the ES 1.0 Three-way Mid/High Module

Advanced 15-inch driver.
KV2 Audio’s transducer partner, 18 Sound in Cavriago, Italy, manufactures the low frequency transducer inside the ES 1.5. Frequencies between 40 Hz and 150 Hz are reproduced by a new fifteen-inch woofer that provides 99 dB of sensitivity (1watt / 1 meter). Loading of the woofer is done through two, asymmetrical chambers with horn-profiled exits. The high efficiency neodymium motor provides an extraordinary amount of force that delivers complete control of the cone mass and a high overall weight loss. Neodymium is not a transducer panacea, as it cannot safely operate at the same typical operating temperatures of ferrite. Using neodymium requires a very profound understanding of material science and finite element analysis. Our years of acoustic design experience enable us to properly design a stable, high force magnetic structure using neodymium

Easy-to-handle enclosure.
The ES 1.5 is a very lightweight yet resonance-free enclosure featuring a number of ergonomically designed parts that make it compact and easy to set up and use. KV2 designed and tooled two new cabinet handles for use in their products. First is a very compact “corner handle” that fits snugly into any 90 degree corner. This provides critical pick-up and handle locations previously unavailable. The two corner handles make it easy to pick up and reposition the ES 1.5 in a natural, instinctive manner. Additionally, there are two compact handles placed top and bottom allowing flexibility in how the cabinet is picked up and moved.

Perfection is in the details.
One longstanding problem with standard cabinets is their rubber feet, which prevent you from moving or sliding the enclosure easily into a desired position. They’re also easily damaged since they protrude from the box. KV2 has addressed this issue by molding our own feet using acetal copolymer material. This material has two very essential properties that make it ideal for use in this application, high density and a very low coefficient of friction. The enclosure has twelve of these feet placed on three sides of the cabinet. Their asymmetrical placement allows easy setup, alignment and construction of a number of different system configurations.