HK Audio PS 118A - Portable 18" Subwoofer
Overview:
The HK Audio PS 118A 18" Portable Subwoofer adds powerful low-frequency reinforcement to professional sound systems. Its 18" driver produces deep, controlled bass with up to 131 dB SPL. A 1400 W Peak Class D amplifier delivers strong output efficiently. Meanwhile, the integrated 24-bit DSP provides precise processing and useful presets. Its robust MDF cabinet and MultiGrip handles also support mobile professional use.
Key Features:
• 18" Low-Frequency Driver: The 18" driver produces deep, punchy bass for powerful and controlled low-frequency reinforcement.
• 1400 W Peak Class D Amplifier: The efficient amplifier provides strong output while the fanless design keeps operation quiet.
• 24-bit DSP Processing: Integrated DSP improves filtering, limiting, and impulse response for tighter, more accurate bass.
• Flexible Preset Selection: Choose LUNAR, SONAR, POLAR, or General presets for straightforward system integration.
• Stereo Connectivity: Balanced inputs and Thru outputs simplify 2.1 configurations and connections to top speakers.
• Bass Reflex MDF Cabinet: The rigid MDF enclosure controls unwanted resonance while supporting tight, efficient bass reproduction.
• MultiGrip Handles: Two ergonomic handles make transportation easier by supporting comfortable handling from different positions.
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
Software Compatibility:
LUNAR
SONAR
POLAR MK2
Built for Professional Low-Frequency Reinforcement:
The HK Audio PS 118A suits DJs, bands, and event professionals needing powerful bass reinforcement. Its DSP, flexible connections, and robust construction support practical professional setups.