The TD-215 is a cost-effective main sound speaker designed for door-to-door cinema. The product is a full frequency speaker using power frequency division, and its design can reduce the number of power amplifiers used, reduce the cost of cinema construction, and has a very high cost performance. This box consists of a double 15 "woofer" and a single 1.75 "treble unit. Products are strictly tested to ensure consistency. The treble horn of this system can be adjusted at several specific angles to meet the sound field coverage. Suitable for small cinema