The main features of the Sennheiser HSP 2-3 Beige Headset Microphone include:
Modular overall system, i.e. all system components are easily interchangeable and combinable
Individually adjustable to all head sizes
Extremely thin microphone boom (Ø 1.1 mm), can be attached to the left or right side (removable attachment clip)
Patented Umbrella Diaphragm protects the microphone against sweat
Connection cable can easily be interchanged
Attachment clip for microphone boom can be interchanged
All metal parts coated in a physical vapour deposition process
Transducer principle (Microphone): pre-polarised condenser microphone
Frequency response: 20 – 20000 Hz
Cable length: 1.6 m microphone head
Weight: Without cable: 6.5 g
Diameter:
Capsule: Ø 4.8 mm
Boom arm: 1.1 mm
Pick-up pattern: omni-directional
Sensitivity in free field, no load (1kHz): 2 mV/Pa
Nominal impedance: 1000 Ω
Min. terminating impedance: 4700 Ω
Equivalent noise level: 28 dB(A)
Maximum sound pressure level (passiv): 150 dB
Current consumption ca.: 250 µA
Operating voltage (stand-alone): 4.5-15 V