- Mint Condition (used for education purposes, never gigged) - 4 Year Warrantee Remaining - 3000 Watt (peak) Power Amplifier - Klark Teknik Signal Processing - Heavy-duty Speaker Covers (included) Reference link: https://www.avshop.ca/sound-amp-pa-audio/speakers/powered-subwoofers/turbosound-siena-tsp118b-an-3000w-18in-powered-subwoofer