JBL KP18S 18″ High Power Passive Subwoofer


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18 Inch High-Power Passive Subwoofer

The KP18S is a single 18” compact, high power subwoofer for Karaoke sound reproduction. It utilizes a JBL long excursion woofer. The high-performance driver, in conjunction with the dedicated enclosure design, provides the best bandwidth to size ratio. The KP18S subwoofer is designed to provide low-frequency reinforcement for the entire JBL KP Series family of full-range loudspeakers.


  • 18” high-power and long-excursion cone driver for extended low-frequency reproduction
  • Sophisticated acoustic cabinet design for high efficiency
  • High sensitivity with low power compression
  • Low profile and compact
  • Enclosure features a combination of 18mm and 25mm multi-ply birch construction with attractive durable finish
  • Karaoke sound reinforcement


System Type    18”, bass-reflex
Frequency Response (-10dB)    32 Hz – 150 Hz
Frequency Response (±3 dB)    42 Hz – 150 Hz
System Sensitivity (1w @ 1m)    96 dB
Nominal Impedance    8 ohms
Maximum SPL (1m)    124 dB (130 dB peak)
Power Rating (Continuous/Program/Peak    600 W/1200 W/2400 W
Dimensions (H x W x D)    554mm x 750mm x 561mm (21.81 in x 29.53 in x 22.09 in)
Net Weight    36.6 Kg (80.7 lbs)
LF Driver    1 x 18“ woofer
Input Connectors    2 x Neutrik® Speakon® NL4MP
Enclosure    Rectangular, 18 mm and 25 mm, multi-ply birch

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