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

Specification:

• 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)