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Passive subwoofer

The ESD1.15 is a passive subwoofer system featuring a single 15" ferrite woofer with a 600W power handling capability. Offering a peak SPL of 130dB, the ESD1.15 produces considerable output yet, in true KV2 style, retains a compact footprint. Multiple units of ESD1.15s can be stacked together to create a powerful and scalable subwoofer system. 


  • Professional, Baltic birch construction with wear resistant polymer coating

  • 127dB sustained output, 130dB peak

  • Excellent reproduction of bass frequencies with high transient content at high output levels

  • 15" high output, low frequency driver with 3" (75 mm) inside/outside, epoxy baked, high temperature, voice coil assembly, and ferrite magnetic structures

  • Two recessed side handles for simplified handling and carrying

  • Pole mount M20

  • Non-threaded 35 mm Pole mount adaptor available as accessory KVV987290

  • Thermal breaker protection with autoreset


Specifically designed as a passive subwoofer to accompany any of the ESD range to create true full-range system performance

  • Fixed installation

  • Portable PA

  • Bars-small entertainment projects

  • Scalable into larger systems

System Acoustic Performance

Max SPL Long-term: 127dB

Max SPL Peak: 133dB

-3dB Response: 37Hz to 150Hz

-10dB Response: 34Hz to 170Hz

Recommended Power: 600W

Sensitivity: 99dB (half-space area)

Impedance: 4Ω

Crossover Point: 80Hz to 150Hz

Low-Frequency Section

Acoustic Design: Twin Asymmetrical loading

Number of Drivers: 1

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

Diaphragm Material: Epoxy Reinforced Cellulose

Magnet Type: Ferrite

Protection: Thermal breaker - auto-reset

Speaker Input

Speaker Input: 2 x Neutrik Speakon®, Terminal Block


Cabinet Material: Baltic birch

Handles: 2

Pole Mount: M20

Flyware: 8 x M10 suspension points

Color: "Orange peeled" Matt Black or any RAL

Physical Dimensions

Height: 510 mm (20.08")

Width: 550 mm (21.65")

Depth: 570 mm (22.44")

Weight: 34.2 kg (75.4lbs)

Product code

  • KVV 987 241 - ESD1.15

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