Applications:  It is sophisticated designed and ideal for Theaters, Music Halls, Large Discotheques, Night Clubs, KTV rooms, touring events,Stage Monitors etc. The compact PS218 sub-bass system has been designed to be used with large PS12,PS15 and PS115 full-range systems to extend and increase the total low frequency output power. The PS218 provides good mid-bass punch with extended sub-bass output from a direct radiating 18″(460mm) driver with a 4″(100mm) high temperature voice coil. Model PS218Type 15 Inch Two-way Full Range LoudspeakerFrequency response 40Hz-150kHz±3dBPower Handing 600W (RMS) 1200W (PEAK)Sensitivity 99dB(1W@1M)Max SPL(@1m) 141dB(PEAK/1M)LF driver 18"(460mm) wooferNominal impedance 8 ohmSpeaker cables LF 1(+)1(-)  HF 2(+)2(-)Connector 2×NL4MP SpeakonCabinet High Density plywoodDimensions(W x H x D) 730×530×1330mm(W×H×D)Net Weight 85kg