KF-YS218 Professional Subwoofer Speaker


  • Adopt two 18-inch woofers;
  • It is made of 15mm plywood, the surface is water-based spray-painted, high-grade and wear-resistant;
  • The mesh cover adopts the cotton sticking process, which can prevent dust or liquid from entering and affect the sound quality, increasing the service life;
  • Passive subwoofer, unique box structure design, high-power custom bass unit; the bass frequency is as low as 33Hz, providing powerful low- frequency effect;
  • According to national standards, use professional life tester to work continuously for 100 hours at rated power to ensure the stability of the speaker;
  • Each speaker is strictly tested by professional acoustic equipment to ensure the consistency of the speakers;
  • Professional speaker sockets and plugs with good electrical characteristics;


Nominal impedance
Frequency range33Hz-200KHz
Sensitivity99dB (1M/1W)
Maximum SPL137dBSPL peak
Woofer18″ woofer × 2
Dimension (H×W×D)630×1043×770(mm)