A. lawn acoustics-used for environmental shaping and atmospheric gain. For example, the famous Gulangyu scenic spot.

B. Acoustics of broadcasting system —— With the gradual elimination and discontinuation of the big speakers in the old era, they are mainly used for replacement.

C. Venue professional box-a general term in the audio industry except home audio, which is mainly used for various outdoor activities. Such as street performances and star concerts.

Connection and application of various devices

A-shaped and horn units are optional; Single-wire independent control, serial-parallel control, access to audio players (DVD, CD, IPAD).

Type b and horn unit are optional; Generally, a single connection, multiple series connections; Access to audio players (DVD, CD, iPad); Connect the reverberator (microphone) at the same time

C the speaker unit is optional; According to your listening environment and purpose, choose a power amplifier and sound matching, usually a pair, and access an audio player (DVD, CD, IPAD).