Type: Transistorized Ceramic Frequency Response: See Frequency Response Curve on left Output Level: -44 dB below 1V per microbar at 1 kHz into 1 megohm load Output Adjustment: Approximately 40 dB range Impedance: 5000 ohms max., recommended load of 100 ohms and up; performs well over entire impedance range up to open circuit Connector: Available stripped and tinned or configured with 4 pin Cable: Five conductor (one conductor shielded) coiled cord that extends to 2.3 m (7 1/2 ft.). Durable strain relief bushing protects against cable breakage at microphone housing. Battery: Standard 9 Volt Battery (Not Included) Size: 86 mm (3 3/8") high x 60.5 mm (2 3/8") wide x 27 mm (1 1/16") deep Weight: 220 grams (7 3/4 oz.)