Fiber optic transmission (FIBREOPTICS): CD changer with the host signal transmission using fiber optics, the frequency response 2-20000Hz +/- 0.1dB, 1-bit digital to analog converter car mp3 card machine, distortion rate of 0.001%, 106dB SNR , equipped with radios using the DMS system. CD changer shock system: car audio is used in sports, is the most important anti-shock system, CD player installation angle 0 ° -90 ° is very convenient to use more super shock suspension system that uses tension springs, air bags and driving with TPE Block sound field simulation system can select the center of the sound field to the left / right of the speaker according to the driver, so the sound quality positioning, to achieve perfection. Optional timing Broadcasting System (MY INFORMATION): You can listen to the desired preset radio stations broadcast mp3 card machine, allowing you to listen at the designated time each day to a preset radio, when the set time, then regardless of sound Working in what state, will immediately switch to the preset radio stations, such as news, weather and so on. Recruitment area to join; free upgrade stereo store signs advertising the launch MAG Sheng heavy sound active subwoofer, amplifier song bass sound processing to enhance the sound quality of the original car stereo, car special series of cost-effective car stereo upgrade; as long as you are interested, please contact us . Free store image design, free internet marketing and advertising propaganda. * MP3 player * Support SD / USB / MMC card player * LED large screen TFT display * Four-channel and four-channel high frequency horn signals RCA audio output * multiple EQ Scene Selection: jazz, rock, pop, * six kinds of classical DSP Digital Sound Control; bass, left and right channel balance adjustment * Full-band stereo radio electronic tuning, automatic income units, storage units * 4 * 50W high power output with remote control * * * Multiple power and memory playback function circuit protection test (overload, overvoltage, short circuit) card machine car mp3, mp3 card machine, car audio provided by Grand Dragon Dragon MG Car Audio Co., Ltd., Zhengzhou. MG Car Audio Co., Ltd., Zhengzhou Dragon (www.888ltj.com) strong, credible, in Zhengzhou, Henan electronics, electrical products and other manufacturing equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Grand Dragon car stereo and you hand in hand into the brilliant, for a better future!