AL-20 is a two-way full frequency line array speaker suitable for large and medium-sized occasions The AL-20 speaker adopts a dual frequency structure consisting of two 10 inch mid low frequency units combined with a 3-inch neodymium magnetic high-frequency driver, coupled to a cylindrical waveguide with 120 ° horizontal and 12 ° vertical coverage, forming a waveguide module in the frequency range from 60Hz to 18kHz. The box is made of high-quality birch plywood, with a high-strength waterproof and wear-resistant polyurea coating on the surface. The front of the speaker is protected by high-quality coated steel mesh combined with breathable waterproof mesh cloth. There are two ergonomic handrails on the outside of the box, and a three-point balanced hanging bracket is used to connect other products in the same series to achieve sound field positioning. The directionality of the sound field depends on the number and angle of the speakers, and can be matched with the geometric shape of the audience. It is perfectly driven and protected by a professional processor preset by a proprietary power amplifier. AL-20 speaker configuration quick installation hanging accessories, which can easily and quickly complete the combination installation work of the array The flexible combination form can be composed of multiple combinations to form a line array form for long-distance projection AL-20 has a good volume/sound pressure ratio The lightweight appearance and weight can meet the high-quality sound reinforcement needs of various occasions. The product can be widely used in large and medium-sized theaters, dance clubs, schools, auditoriums, hotel banquet halls, small and medium-sized Live Houses, theme parks, and sports facilities Realize the use of array hanging or ground stacking AL-20 can also be combined with AL-18 and AL-18AP active ultra-low frequency speakers to form an active line array speaker system. AL-20 is paired with AL-18 and AL-18AP low-frequency speakers for low-frequency extension AL-18 and AL-18AP low-frequency speakers have the same width as AL-20 and can be directly combined to achieve array hanging or ground stacking use AL-18AP active ultra-low frequency speaker with built-in professional DSP amplifier module and professional preset processing, combined with AL-18 and AL-20 for perfect driving and protection