hotline
130 1219 2028
Add：Fengnan District, Tangshan City, Hebei province
Web：
Contact Us
Tel:13012192028
20.2mm gold-plated capsule
Cardioid
• Gold-plated diaphragm capsule: 180° rejection ratio reaches more than 15dB, 135° rejection ratio reaches more than 17dB;
• The hypercardioid capsule with unique sound cavity forms a super polar pattern, which can effectively prevent whistling.
• Wide bandwidth, high fidelity, noise reduction voice clarity.
• Power failure alarm function.
• Lightning, reverse connection, over-voltage, static electricity and other electrical protection.
• Zinc alloy one-piece molding shell, effectively inhibit all kinds of electromagnetic interference.
P821D is a voice pickup, access to security, hospitals, schools and other monitoring equipment. It is equipped with 20.2mm diameter high sensitivity high quality gold-plated capsule, which makes its sound quality clear and natural. It has a built-in AGC automatic gain control circuit, which effectively prevents distortion and attenuation of speech signals. Using shielding radio frequency interference technology, it can suppress environmental noise and shield signal interference, ensuring that the sound quality is not damaged. The innovative design of the sound cavity structure can effectively suppress echo, providing clear high-quality audio signals.
Capsule: 20.2mm gold-plated capsule
Polar Pattern: Cardioid
Frequency Response: 20-20,000Hz
Sensitivity: -25dB,56.2mV/Pa(0dB=1V/Pa@1kHz)
Output Impedance: 120Ω
Maximum SPL: 136dB SPL (1% T.H.D.@1kHz, 0dB SPL=2x10⁻⁵Pa)
Equivalent noise: 19dB-A
Power: 128V DC
Weight: 85g
Dimensions: φ74X60 (mm)
130 1219 2028
Add：Fengnan District, Tangshan City, Hebei province
Web：
Contact Us
