1 reason to add bass is:

Many small speakers sound good, all the design configuration of the auxiliary bass horn, it is the only way to perfect sound, correct design of small horn use auxiliary bass sound system to improve the quality of great help, a relatively large system, its function is still not clear, but certainly, if it is very good in the system the effect under the condition of a design configuration of auxiliary bass horn is of no significance, it destroyed the original system.

Bass to treble than the diffusion effect is much stronger, a lot of people say that assisted with a bass horn can be, this is just part of it, in fact, is not quite so, few people think should use 2 auxiliary bass speakers, they mainly have 3 kinds of reasons:

(1) bass frequency due to non directional, the correct embodiment of the stereo effect, it is necessary to use 2 bass auxiliary speakers.

(2) the use of 2 bass speakers, in the room is not likely to cause standing wave, placing the position of the cabinet is not high.

(3) the use of 2 bass speakers is certainly better than the 1 bass speakers sound effect.

Auxiliary bass horn subwoofer frequency has no directivity, but because the bass speaker pronunciation in the vicinity of 100Hz, then to show stereo with 2 auxiliary bass horn certainly better than one, of course, 2 bass horn auxiliary interval minimum value is 2 feet.

Compared to a good bass auxiliary speakers in the sound system to join a reasonable, can produce very good results, but the addition of 2 bass speakers may produce better results.

2 how to connect to the stereo system?

Most of the speakers have auxiliary bass amplifier and a frequency divider, then the signal input to the bass bass amplifier can be pre amplifier output. In other cases, if the system is only the main channel output, it is only from the main channel and a set of output for bass amplifier (divider).

3 embody the necessary factors of surround sound effect

Show the surrounding effects of the product has a lot of, a lot of people around the power of the public is not satisfactory.

Generally speaking, in addition to the 2 main system around the outside box, rear surround at least 2, like Lexicon, professional logic signal process system Fosgate advanced, the use of rear speakers more, in most cases, placed in the center of the main speakers, surround speakers face down 2, post 2. 2 side signal processing.