Secondly, according to the above, you can buy one or two pairs of traditional speakers, and you need to buy a lot of linear arrays, and the budget will definitely be high.
Third, many linear array speakers are external, which does not mean that they can work normally as long as they are plugged in. Some treble and bass with two frequencies need to be driven by a separate power amplifier and a processor. Traditional audio can work normally as long as the audio cable is connected correctly, so linear array audio needs more power amplifiers than traditional audio, which will increase the budget.
The most critical point is the transportation and handling costs. The larger the quantity, the larger the occupied space, and the larger the manpower and storage space for handling.
Jiuquan satrap got drunk and later worked.
Tang Dynasty: Cen Can
Jiuquan satrap can dance swords, and buy wine and beat