Heil Sound RC22 Wireless Replacement Capsule in Black

Product description

• Thread: 31.3mm/pitch
• 1.0mm threading; (1.25” x 28 thread pitch)
• Element Type: Dynamic
• Frequency Response: 50 Hz – 18 kHz
• Polar Pattern: Cardioid
• Rear Rejection @ 180 degrees off axis: -30 dB
• Impedance: 600 ohms balanced
• Output Level: -55 dB @ 1 kHz
• Weight: 4.9 oz
• Max SPL: 145 dB