The Sennheiser HSP 4-EW is a 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.

• Pick-up pattern: cardioid
• Frequency response: 40...20 000 Hz
• 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 (passiv): 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
• 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
• Delivery includes: boom microphone, neckband, connection cable, plastic transport case, foam-lined with cut-outs
• Colour: black