12 Inch 2-Way Full Range Loudspeaker System

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12 Inch 2-Way Full Range Loudspeaker System

The KP4012 is a compact and premium high-output full-range loudspeaker. The KP4012 uses a 305 mm (12 in) humidity protection woofer with optimal demodulating/cooling aluminium ring inside, which is high power, low distortion and low power compression, and a 2408H-2 37.5 mm (1.5 in) annular polymer diaphragm, neodymium compression driver for 350 watts power capacity. 70° x 100° coverage pattern provides smooth, even coverage whether used in the vertical or horizontal orientation. The high-order passive network minimizes band overlap.


  • 12″ high efficiency woofer design
  • 1.5″ annular polymer diaphragm compression driver
  • Enclosure constructed of 15 mm birch plywood with rugged durable finish
  • 70° x 100° coverage pattern for even and smooth response on and off axis
  • Attractive cloth backed robust steel grille design
  • Precision engineered crossover for optimal driver integration
  • Rotatable JBL ENTERTAINMENT logo for both horizontal and vertical applications
  • Two enclosure color option: Black (KP4012) or White (KP4012-WH)
  • Karaoke sound reinforcement
  • Club live sound reinforcement
  • High-performance satellite speaker for use with subwoofers


  Version Language Size Uploaded
file type icon Karaoke Catalogue Brochure
updated: Oct 22, 2020
    4.07 MB Oct 22, 2020
Spec Sheets (Pdf)s
file type icon KP4012 Spec Sheet - English
updated: Oct 22, 2020
    571 KB Oct 22, 2020
file type icon KP4012 Spec Sheet - Chinese
updated: Oct 23, 2020
    676 KB Oct 23, 2020

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System Type 12″, 2-way, bass-reflex
Frequency Range (-10dB) 47 Hz - 20 KHz
Frequency Response (±3 dB) 80 Hz - 20 KHz
System Sensitivity (1w @ 1m) 97.5 dB
Nominal Impedance 8 ohms
Maximum SPL (1m) 125 dB (131 dB peak)
Power Rating(Continuous/Program/Peak) 350 W/700 W/1400 W
Coverage Pattern 70° x 100° (H x V)
Dimensions (H x W x D) 600 mm x 360 mm x 382 mm (23.6 in x 14.2 in x 15.0 in)
Net Weight 18.5 Kg (40.7 lbs)
LF Driver 1 x 12 inch woofer, 2.5 inch voice coil, ferrite magnet
HF Driver 1 x 2408H-2 compression driver, 1.5 inch voice coil, NEO magnet
Input Connectors 2 x Neutrik® Speakon® NL4MP
ENCLOSURE CONSTRUCTION Trapezoid, 15 mm, plywood
Enclosure Color Black(KP4012)/White(KP4012-WH)