Soundvision: ESI-18SA by Millionhead (LINE Array speaker Combined and a variety of options with solutions that are suitable for needs)

18 inch 1800 Watt Array Subwoofer with Built-in Amp. ESI18SA is Powerful Sound Active Suriver Line Array Speakers, This Series Adapting to Different Preferences and Scale of Applications. INATASS and Choices Always Herewith a Proper Solution That Meets Your The True Modular Design Provides ESI LINE Array Series Amazing Flexibilities to Be Combined, Split and Extended Freely. BENEFITING FROM Exceptional Analog Circuit and D-Class Switching Power Technology Nized for High Quality and Reliability. Line Array speakers Speaker System This series adapted to different preferences and sizes. With high efficiency Therefore there is a variety of combinations and options with solutions that are suitable for the needs. It is amazing flexibility in combining and expanding independently. Features: 18 -inch active subwoofer speakerlf driver: 18 ″ Woofer, 4 ″ Voice Coilfrequence Reponse ± 3DB: 50Hz ～ 100khzfreques --10D: 45Hz ～ 100K. (PEAK): 129DB / 136DBMAX. Powered: 1000W / 1800WBUILT-in Amplifier Class DBUILT-in DSP Processor.functions: DSP Setup, USB ServiceConnection. S: XLR BALANCEDCOOLING System: Passive Radiatorenclosure: 18mm MultiLayr Plywoodcoating: Water Resistant Black Paint Paint Voltage AC 220 ～ 240V, 50/60Hz