1) Operation voltage: DC 12V

2) Operating voltage range: 10.8V-16V

3) Max current: 10A

4) Installation angle: less than 30 degrees around the direction of tilt DVD / CD player

5) Compatible format: DVD-R / DVD-RW / DVD+RW / CD-R / CD-RW / CD-DA / MP3 / WMA / HACD / SVAD / VCD / MPEG / JPEG

6) Audio signal to noise ratio: 85dBu

7) Dynamic range: 95dB

8) Frequency response: 20HZ-20KHZ

9) Digital audio sampling: 24bit

10) E-seismic (ESP): DVD 2-3 sec CD-AD 10 sec; MP3 100 WMA 200 sec

11) Mechanical earthquake: 10-200HZ

12) Power output: 50W x 4CH

13) Compatible with Mp5（RMVB 720P)

14) Built in Bluetooth smart phone book

15) Rear view camera connection interface ready

16) Built in Bluetooth

17) Size: 20.5cm x 18cm x 10.5cm