For £65 you will be getting two 1000 watts subwoofer bass bins. This will be plenty powerful for any band playing music or doing speeches with up to 550 people. Match these with out QCS top speakers for an extra £65. 2 Inputs XLR/Jack 1 Channel Dual 12” subwoofer drivers . Lightweight portable powered speaker with legendary QSC amplifier power and reliability 1000-watt continuous.