Sub Woofers



LSS's HPS246 loudspeaker system provides high output, low distortion sound reinforcement.

Speaker Power

3400 W (AES) - 4 Ohms
•  360° (single unit)
(101dB 1 Watt @ 1 m)
143 dB Max SPL calculated

  • HPS246 6e4ee39814
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The cabinet is constructed of birch plywood of 18 mm reinforced with optimized reflex for low distortion. The woofer used is custom construction of 460 mm (18") diameter with 115 mm (4.5") split winding copper voice coil, 57 mm (2") peak-to-peak excursion before damage, Double silicone spider with optimized compliance, Ventilated voice coil gap for reduced power compression, Aluminium demodulating ring for very low distortion. HPS246 was designed for a wide range of professional applications. High performance and very high peak output for concert sound. The HPS246 powering mode is only passive amplified operation with external or digital processor.


LSS's HPS246 is ideal product for bass frequency reinforcement for concert touring applications. LSS HPS246 is a subwoofer reflex of high peak low frequency response in the range 25-120Hz.

  • Two 460 mm LF SUBWOOFER
  • Powering mode passive with external digital processor
  • For touring use or permanent installation


Dimensions mm (±1 mm)
  • Height 600
  • Width 1200
  • Depth 810

Weight  (Kilograms)
  • Net weight 99
  • Shipping weight 105

Costruzione e finitura
  • Enclosure material Birch Plywood of 18mm
  • Finish Texture poliuretanic black paint
  • Grille Poweder coated perforated steel with anti-dust foam
  • Connectors Two Neutrik NL4 speakon


Frequency Response
  • ±5 dB 25Hz to 120Hz
  • -10 dB 20Hz
Sensitivity (dB 1 Watt @ 1 m)
  • LF 101dB
Max SPL Calculated
  • 136 dB
Nominal Input Impedance (Ohms)
  • LF 4 
Power Handling (Watts cont. AES)
  • LF 3400
Nominal Dispersion
  • 360°(single unit); varies with number of units and configuration
  • Product Series SUB
  • LF Subsystem & Loading Two 460 mm (8") woofer vented
  • Operating Mode Passive with external digital controller


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