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EX2.5 MkII

Active subwoofer system

The EX2.5MkII is a double 15" subwoofer and the ‘active’ brother of the ES2.6 passive bass module. It provides real depth and power where high bass output is required. The product uses the same low-frequency amplifier found inside the EPAK2500/2500R and features in-built stereo crossovers, high pass outputs, and full overdrive protection. It also features a new speaker level output on an AP4 connector to drive one additional passive ES2.6 subwoofer from its own internal amplifier. (Not to be used with a passive ES2.5)


  • Professional, Baltic birch construction with wear resistant polymer coating

  • 137dB sustained output 140dB peak (when used with an ES2.6)

  • 1600W high efficiency, current enhancing, switching low-frequency amplifier

  • Speaker level AP4 output to drive one additional passive ES2.6 subwoofer

  • Complete on board subwoofer management, including equalization, crossover, filters, amplifier overdrive protection, output level, and phase controls

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

  • Stereo or Mono inputs with through signal outputs and 125Hz High Pass outputs

  • Two 15" high output, low-frequency drivers with 4" (100 mm) inside/outside, epoxy baked, high temperature, voice coil assembly, and magnetic ferrite structures

  • Four proprietary side handles for simplified handling and carrying

  • Heavy duty front grille to work with the innovative new EX2.5 magnetic cart

  • Acetyl copolymer high impact, low friction feet are located on two sides allowing vertical or horizontal setup and easy cabinet movement. Feet lock into the new ES subwoofers

  • Six internal corner braces with twelve M10 suspension points M20 top hat for pole mounting applications

  • LED indicators for signal present, limiter, thermal condition, and power ON status


Specifically designed to accompany and compliment the EX Mid High speakers to create a true full range high output system

  • Easily incorporated as a system with multiples of any of the EX range

  • Scalable into multiple-larger systems

  • Fixed installations

System Acoustic Performance

Max SPL Long-term: 132dB (137dB - with Slave ES2.6)

Max SPL Peak: 138dB (140dB - with Slave ES2.6)

-3dB Response: 38Hz to 125Hz

-10dB Response: 34Hz to 125Hz

Impedance: 8Ω

Crossover Point: 125Hz

Output Channels

Number of Channels: 1

Minimum load impedance per channel: 4Ω

Low-Frequency Section

Acoustic Design: Twin Asymmetrical loading

Woofer Size / Voice Coil Diameter / Design: 2x 15" / 4" / Inside Outside

Diaphragm Material: Epoxy Reinforced Cellulose

Magnet Type: Ferrite

Low-Frequency Amplifier Specification

Type: High efficiency, Low frequency, Current-enhancing switch mode

Rated Continuous Power: 1600W

Distortion: <0.05%

Operating Bandwidth: 34Hz to 125Hz

Signal Input

Input Channels: 2

Input Sensitivity: 1.0V RMS

Input Impedance: 20kΩ (balanced)

Signal Output

Signal Output Channels: Mid/High, Through

Slave Speaker Output: AP4


Input Level Control: -6 to +6dB

Phase: 0° / 180°

RMS Limiter: YES

Indicators: Power ON/Thermal, Limiter

Power Requirements

Power Connector: Neutrik PowerCon®

Output Power Connector: Neutrik PowerCon®

Operating Voltage: 115V / 230V / 250V

Operating Voltage Range: 100 to 120V@60Hz | 205 to 240V@50Hz | 225 to 260V@50Hz

Recommended Amperage: 16A 115V | 8A 230V | 8A 250V


Cabinet Material: Baltic birch

Handles: 4

Pole Mount: M20

Color: "Orange peeled" Matt Black or any RAL

Physical Dimensions

Height: 711.5 mm (28.0")

Width: 602.6 mm (23.72")

Depth: 750 mm (29.52")

Weight: 97 kg (214lbs)

Product code

  • KVV 987 180 - EX2.5 MkII 250V

  • KVV 987 179 - EX2.5 MkII 230V

  • KVV 987 178 - EX2.5 MkII 115V

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