1) Load impedance: 4 ohm

2) Time/music track/volume/FM display

3) Voltage: DC 12-14.4V

4) MAX power: 4 x 50W

5) Support MP3 format music

6) Support SD memory card up to 32GB

7) FM frequency: 87.5-108MHZ

8) Usable sensitivity: 10db

9 Antenna terminal: external antenna

10) Intermediate frequency: 450KHZ

11) Sensitivity: 36db

12) Signal to noise: 50db

13) Size: 188 x 97 x 58mm

14) Weight: 400g