Electro-Voice HM2 Headworn Condenser Microphone

Specifications:

• Generating Element – Electret Condenser
• Frequency Response (1/2-in. distance) – 30-18,000 Hz
• Sensitivity (open circuit voltage at 1000 Hz) – 4 mV/Pascal (680Ω load)
• Polar Pattern – Cardioid
• Maximum SPL, 1% Distortion – 120 dB
• Power Requirements – 1 to 10 V dc
• Operating Current at 9 V dc – 500 μA max
• Finish – Nonreflective black
• Output Cable – 1.2 m (4 ft) long, 2.5 mm (0.10 in.) diameter; miniature audio cable permanently attached between microphone and connector
• Output Connector – Switchcraft TA4F (pin 1 shield, pin 2 & 4 bias/audio, pin 3 N/C)
• Accessories Furnished – Black windscreen
• Optional Accessories – Replacement windscreen EV part no. 879155
• Dimensions, Headband – 140 mm (5.5 in.) nominal at widest point: 160 mm (6 in.) boom arm
• Dimensions, Microphone – 29 mm (1.14 in.) long, 18 mm (0.7 in.) wide, 16.8 mm (0.66 in.) deep
• Net Weight (less cable and connector) – 25 grams (0.9 oz)