Sennheiser HSP4-EW

High-quality permanently polarized condenser headmic with cardioid pick-up pattern, designed for professional "hands-free" applications.  The adjustable neckband is visually unobtrusive and very comfortable to wear.  The six available HSP 4 variants differ in colour and connector.

Features:

• Excellent feedback rejection
• Microphone includes a detachable cap as integral wind/popshield
• Individually adjustable to all head sizes Neckband design keeps the microphone clear from shirt-collar or clothing
• Twist-proof microphone boom (Ø 2.0 mm), can be attached to the left or right side
• Microphone boom is adjustable in length and angle
• Flexible gooseneck section
• Connection cable can easily be interchanged
• All metal parts coated in a physical vapour deposition process
• Can also be used with the omni-directional HSP 2 boom microphone

Specifications:

• Pick-up pattern: cardioid
• Frequency response: 40 Hz - 20 kHz
• Nominal impedance (@ 1 kHz): 1000 Ohm
• Min. terminating impedance: 4700 Ohm
• Sensitivity in free field, no load (1kHz): 4 mV/Pa
• Maximum sound pressure level: 150 dB
• Equivalent noise level: 37 dB (A)
• Current consumption: ca. 250 µA
• Operating voltage (stand alone): 4.5-15 V
• Cable length: 1.6 m
• Diameter, microphone head: 8.4 mm
• Diameter, boom arm: 2.4 mm
• Weight: 9.2 g (w/o cable)