Applications:  Medium-large scale venues including stadium, concert hall, auditorium, theater, clubs, touring show, rental market etc. AR-210ASUB sub woofer speaker built-in 2pcs 15 inch sub woofer unit, the independent design of acoustic structure, ensure the enclosure slender and delicate enough at the same time as the AR-210ASUB professional line array system provides strong low frequency. The latest designed suspension components can be very handy for hanging, combination, which is an indispensable part of AR-210A LINE ARRAY SYSTEM.◆ DUAL 15'' sub woofer in bass reflex enclosure ◆ Ideal SPL and dynamic sound ◆ High sensitivity ◆ Very small housing and lightweight designed, ◆ Innovative hanging sections for easy hanging and installation  ModelAR-210A SUBTypeDual 15 Inch Passive Sub woofer SystemFrequency response38Hz－150Hz ± 3dBPower Handing1000W (RMS) 2000W (PEAK)Sensitivity110dB(1W@1M)Max SPL(@1m)140dB(PEAK/1M)LF driver2×15"(380mm) wooferNominal impedance4 ohmSpeaker cables1(+)1(-)Connector2×NL4MP speakonCabinetHigh Density Birch plywoodDimensions(W x H x D) 709×432×760mm(W×H×D)Net Weight 64kg