Jammin Pro B-20 PRO

Product Features:

• Professional gold-sputtered dual-diaphragm condenser microphone
• Ideal as main and support microphone for studio and live applications
• Selectable cardioid, omnidirectional or Bi-directional pickup pattern
• Pressure-gradient transducer with shock-mounted goldsputtered dual-diaphragm capsule
• Perfect for acoustic instruments, overhead, piano, etc.
• Switchable low-frequency roll-off and -10 dB input attenuation
• Ultra-rugged construction with nickel-plated brass body
• Gold-plated 3-pin XLR output connector for perfect signal transmission
• Heavy-duty suspension mount, windscreen and aluminum transport case included
• High-quality components ensure long life
• Also found as: B20PRO, B20
• Authorized Internet Dealer
• 1-year Manufacturer's Warranty

To find out more about these polar patterns and the condenser microphone design,
check out these blog posts:
Demystifying Microphones
Polar Patterns (Demystifying Microphones Part 2)

Cardioid


Omnidirectional


Bi-directional

Specifications:

• Element: Pressure Gradient Condenser
• Polar Pattern: Uni/Bi/Omnidirectional
• Frequency Response: 20Hz - 20kHz
• Sensitivity: -33dB/-36dB/-38dB ± 2dB (0dB=1V/Pa @ 1kHz)
• Output Impedance: 200 ohm ± 20% (@ 1kHz)
• Load Impedance: ≥ 1000 ohm
• Self Noise: 14/15/16dB A
• Max Input SPL: 130dB (@ 1kHz ≤ 1% T.H.D.)
• S/N Ratio: 80/79/78dB
• Phantom Power: 48V DC Phantom (±5V)
• Net Weight: 1 lb. 3 oz. (540 g)
• Body Dimension: Ø 2-1/8" x 7-7/16" (54 x 188 mm)