Single-sided w/flexible dynamic boom mic, 150? earphone, 5' (1.5M) cord, with pigtail termination.

Receivers:

• Type: Dynamic
• Frequency Response: 50 Hz-15 kHz
• Sensitivity: 100 5dB SPL (1 kHz, 1mW input)
• Impedance (at 1 kHz): 150ohms (receivers wired in parallel)

Microphone:

• Element Type: Noise-Canceling dynamic
• Frequency Response: 100Hz-3.5 kHz with 100? load)
• Sensitivity: -53 +2/-1 dB (ref: 1 V/bar at 1 kHz with 100? load)
• Matching Impedance: 50-600ohms
• Cordage: PH-100/200: Straight cord, 5' (1.5m)
• Connectors: 4-pin XLR male or female, 5-pin XLR male.
• Gross Weight: Approx 16 oz. (454 g)
• Effective Head Weight: Approx 14.2 oz.(403 g)