专业的汽车音响升级不仅需要选择好的汽车音响品牌，在升级时还需要注意电路问题及考虑以后的升级空间等，那么再做汽车音响升级时应该注意哪些问题呢？

1、改装音响系统需要注意的就是电路问题，在对汽车音响进行改装和维修时一定要到具有专业经验的汽车改装店，改动电路时，务必要保证符合安全标准。
Converted audio system needs attention is the circuit problem, when the car stereo and maintenance must be modified to have professional experience in car modification shop, when changes in the circuit, be sure to ensure compliance with safety standards.
2、在改装机头时注意不要损坏原车线路，需要进行线路衔接，大多数都需要对原车音响局部的线路进行切开，所以要注意好对原线路的保护。
Note that when you modify the nose not to damage the original car lines, the need for line of convergence, most of the original car stereo needs of local lines were cut, so pay attention to the good of the original line of protection.
3、不要忽略汽车改装的升级空间，升级音响一般有着循序渐进的过程，为日后升级音响提供发展空间。
Do not ignore upgrade space car modification, and upgrade stereo has a gradual process in general, provide development space for future upgrades stereo.

济南汽车音响升级：http://www.sdcarmusic.com/