With treble and bass frequency division, beautiful sound quality, durable waterproof unit, outdoor special, long life. The low frequency is strong and full; The intermediate frequency is gorgeous and stretched, with strong resolution; High frequency grading; High sensitivity, wide directivity, high power and good transient response; Waterproof wall-mounted speakers are waterproof, moisture-proof, cold-resistant, heat-resistant, impact-resistant, coaxial waterproof and full-frequency speakers. High-quality aluminum alloy (including upper and lower sleeves) has clear and beautiful sound quality, good penetration, strong low frequency and good middle and high frequency, and is suitable for music and human voice amplification. Uses: home personalized decoration, outdoor, schools, parks, communities, monitoring equipment, hotels, cafes, teahouses, restaurants, audio-visual classrooms, conference rooms, specialty stores, churches, corridors, shopping malls, supermarkets, public transportation, public places of leisure and entertainment, public broadcasting and other places; With tweeter, the sound quality is beautiful and durable. This product adopts outdoor aluminum alloy luxury sound column. Www.dsp-pass.com Liu Wei1341kloc-0/20973 wechat.