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Genius Audio MBX5212S4 is a high-performance 12-inch professional midbass speaker engineered to deliver powerful mid-low frequencies with exceptional clarity and projection. Designed for demanding open show, SPL and high-output car audio systems, this speaker combines a 4” high-temperature CCAW voice coil, Ferrite Y3 magnet motor, and a rigid cast aluminum basket to ensure reliable performance under extreme conditions.
With 1000 watts RMS power handling, 95 dB sensitivity, and a wide frequency response from 60 Hz to 6 kHz, the MBX5212S4 provides strong midbass punch and excellent vocal support, making it the perfect foundation for professional multi-speaker setups.
Built for installers and enthusiasts who demand durability, efficiency, and real acoustic output, this midbass speaker is designed to perform where standard speakers fall short.
• Nominal Diameter: 12 inches (305 mm)
• Nominal Impedance: 4 Ohms
• Power Handling (RMS): 1000 Watts
• Power Handling (MAX): 2000 Watts
• Peak Power Handling: 4000 Watts
• Sensitivity: 95 dB (1W/1m)
• Frequency Response: 60 Hz – 6 kHz
• Recommended High-Pass Crossover: 138 Hz / 12 dB per octave
• Voice Coil Diameter: 4 inches (101.6 mm)
• Voice Coil Wire: CCAW
• Voice Coil Former Material: Kapton®
• Magnet Material: Ferrite Y35
• Magnet Weight: 125 oz
• Cone Material: Paper cone
• Surround Material: Cloth surround
• Basket Material: Cast aluminum basket
Performance Advantages for Real Installations
• Designed for high-output midbass reinforcement
• Ideal for open show and SPL audio systems
• Excellent support for vocal clarity and instrument presence
• High sensitivity for efficient amplifier performance
• Heavy-duty motor structure for continuous high-power operation
• Optimized for multi-driver professional configurations


