JVC, also known as Victor, releases in Japan the SX-M3. The 3Ms are “M”usic, “M”agnesium, “M”echanical Base Mount. SX-M3′ tweeter and medium are made of magnesium and the mechanical Base Mount can reduce vibration.
Victor SX-M3 offers 50Hz – 65,000Hz frequency, a sensitivity of 88dB, and has a rating impedance of 6ohm.