The MC-106B from DD Audio is a marine enclosure speaker with a size of 6.5 inches or 165 mm. The system features a 1-inch tweeter and a 1-inch voice coil. The nominal power handling is 100 watts RMS at an impedance of 4 ohms. The sound pressure level is specified at 95 dB SPL. The frequency range extends from 100 Hz to 20 kHz with a reson...