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ST 9" (229 mm) Street Series Square Mid-Range Speakers - Pair

[10] In stock
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£229.95 £191.62
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The ST9MR4 is a beast built to unleash extreme loudness. With its PA (Pro Audio)-style woofers and square cone design, this speaker delivers nearly 20% more output, providing a truly immersive audio experience. Engineered for high-power handling and efficiency, the ST9MR4 is specifically voiced to ensure clear vocals that effortlessly cut through even the loudest bass. Its exceptionally wide frequency response guarantees a rich audio range, while the square pressed pulp cone and treated cloth surround contribute to its exceptional performance. The ST9MR4 is perfect for competition-level SPL systems that demand nothing but the best.

  • PA (Pro Audio)-style woofers built for extreme loudness
  • Square cone design provides nearly 20% more output
  • Extreme power handling and efficiency
  • Voiced for clear vocals cutting through very loud bass
  • Perfect for competition-level SPL systems
  • Exceptionally wide frequency response
  • Square, pressed pulp cone with treated cloth surround
  • Spring-loaded terminals accept 12 AWG wire


  • Square Woofers: 9" (230mm)
  • Impedance: 4 Ohms
  • Recommended Amp Power: 50-300 watts RMS
  • Peak Power Handling: 600 watts
  • Frequency Response: 80Hz-5.5kHz
  • Sensitivity: 94 dB
  • Mounting Depth: 3-9/16" (91mm)
  • Mounting Cutout: 7-13/16" x 7-13/16" (199mm x 199mm)
More Information
Speaker Size (in)9"
Impedance (Ohms)4
Peak Power (W)600
Sensitivity (dB @ 1W/1m)94
Frequency Response (Hz)80-5.5k
Mounting Hole Diameter (cm)19.9 x 19.9
Mounting Depth (cm)9.1
Single Or PairPair
BrandKicker Audio