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HK Audio PS 118A 18″ Portable Subwoofer

HK Audio PS 118A 18 Portable Subwoofer - Front

HK Audio PS 118A 18″ Portable Subwoofer

HK Audio PS 118A 18″ Portable Subwoofer

OVERVIEW

The HK Audio PS 118A is a powerful 18” active subwoofer designed for professional audio applications. It delivers deep, punchy bass with up to 131 dB SPL while maintaining clarity and control. With integrated DSP presets, flexible connectivity, and a durable wooden cabinet, it ensures reliable performance for DJs, bands, and live events.
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High-Impact Bass Performance: The 18” driver delivers deep, punchy low frequencies with exceptional clarity. It reaches up to 131 dB SPL, ensuring powerful bass for demanding live environments. As a result, it creates a solid and immersive foundation for DJs, bands, and event setups.

1400W Peak Class D Amplifier: The built-in Class D amplifier provides high efficiency and strong output while reducing energy loss. Moreover, the fanless design eliminates unwanted noise, making it suitable for quiet venues and professional applications where clean audio is essential.

Advanced 24-bit DSP Processing: The integrated DSP enhances sound accuracy through precise digital filtering and limiting. In addition, it improves impulse response, ensuring tighter bass reproduction. This allows the subwoofer to maintain clarity even at high output levels.

Optimized Preset System: Users can quickly select presets for LUNAR, SONAR, POLAR MK2, or a general low-pass filter mode. Consequently, the subwoofer automatically adjusts performance settings for optimal compatibility and balanced sound across different systems.

Stereo Preamp and System Flexibility: The stereo input enables easy configuration of a 2.1 system. Furthermore, users can route signals directly from the subwoofer to top speakers. This simplifies setup while maintaining signal integrity across the entire system.

Low-Resonance Wooden Cabinet: The MDF enclosure reduces unwanted vibrations and resonance. Therefore, it delivers tighter and more controlled bass. Additionally, the rigid construction enhances durability for frequent transport and professional use.

Open Port Design: The optimized bass reflex port reduces airflow noise while increasing efficiency. As a result, it improves overall bass response and minimizes distortion, even during high-output performance.

Portable MultiGrip Handling: The ergonomically positioned MultiGrip handles ensure safe and comfortable transport. Because they align with the unit’s center of gravity, users can carry the subwoofer easily in various positions.

Integrated Protection Systems: Built-in limiters and filters protect the speaker from overload and damage. Consequently, the system maintains reliable performance while extending the lifespan of the components.

Seamless System Integration: Designed to match HK Audio LUNAR, SONAR, and POLAR MK2 systems, the subwoofer ensures both acoustic and visual consistency. This makes it a versatile addition to a wide range of professional audio setups.

Specifications

  • Concept: Active subwoofer
  • Cabinet principle: Bass reflex
  • Max SPL peak: 131 dB
  • Sensitivity: 99 dB
  • Frequency range (-6 dB): 35 Hz – X-Over
  • Frequency range (-10 dB): 31 Hz – X-Over
  • Crossover frequency: 100 Hz / 80 Hz
  • Low frequency driver: 1 x 18″ (3″ voice coil)
  • Crossover slope: 24 dB/oct
  • Amplifier type: Class D
  • Power output (RMS): 700 W
  • Power output (Peak): 1400 W
  • DSP: 24-bit preamplifier
  • Sample rate: 48 kHz
  • Presets: LUNAR, SONAR, POLAR, General
  • Inputs: 2 x XLR/jack combo (balanced)
  • Outputs: 2 x XLR Thru (balanced)
  • Max input level: 20 dBu
  • Speaker protection: Subsonic filter, Peak & RMS limiter
  • Power supply: IEC connector
  • Power consumption:
    • 0.5 A / 220–240 V
    • 0.9 A / 100–120 V
  • Cabinet material: MDF
  • Finish: Acrylic enamel
  • Colour: Jet black (RAL 9005)
  • Front grille: Steel with acoustic foam
  • Mounting: M20 pole mount
  • Handles: 2 x MultiGrip
  • Dimensions (W x H x D): 51 x 61.5 x 70.3 cm
  • Weight: 39.3 kg

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