Shure SM10A Headworn Microphone

→ Type: Dynamic, close-talk
→ Frequency Response (at 8 mm [5/16 in.]): 50 to 15,000 Hz
→ Polar Pattern: Cardioid, uniform with frequency, symmetrical about axis
→ lmpedance: Rated at 150 O (223 O actual)
→ Sensitivity (1,000 Hz at 8 mm (5/16 in.): Open Circuit Voltage: –65.0 dBV/Pa* (0.45 mV); 1 Pa = 94 dB SPL
→ Hum Sensitivity (typical): 35.5 dB equivalent SPL in a 1 mOe field
→ Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 of microphone connector
→ Connector: Professional three-pin male XLR audio connector
→ Cable: Non-detachable, 1.5 m (5 ft), two-conductor, shielded, plastic-jacketed
→ Case: Black thermoplastic microphone and pivot housing, anodized aluminum end caps, stainless steel grille, and boom
→ Net Weight: 78 grams (2.7 ounces) less cable and connector
→ Packaged Weight: 950 grams (2 lbs., 1 1/2 oz)
→ Designed for close-talk operation; ideal for use in noisy environments
→ Unidirectional (cardioid) polar pattern for superior rejection of unwanted sound
→ Smooth, natural-sounding frequency response
→ Adjustable microphone boom with locking pivot can be moved 20° in any direction and extends to 89 mm (3 1/2 in.)
→ Light weight headband minimizes user fatigue and does not interfere with eyeglasses
→ Rugged stainless steel, aluminum and high-impact plastic construction
→ A clip that fits over the XLR connector and attaches to the user's belt or waistband, providing cable strain relief