DM1 Dynamite Active Inlne Microphone Preamplifier Dynamite Active Inline Mic Preamp Mic Booster Preamplifier with 28dB Gain Item Type: Inline Microphone Preamp Material: Aluminum Alloy Weight: Approx. 61g / 2.2oz Gain Increase: Up to +28DB Gain Connection Port: XLR 3 Pin XLR Male/Female Power Supply: 48V According to IEC 61938 Frequency Range: 10-120000Hz Impedance: 135Ohms Suggested Impedance Load:>1k Ohms Sampling Rate: 24 bit/48kbps Sound Sex to Noise Ratio: 3.0mA Maximum Output Level: 9UV (A) Maximum Input Level: 8.3dBV/2.6V (0.5%) THD at 1kHz) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.