PreSonus Temblor T10 Active Studio Subwoofer CABLE KIT w/ XLR Cables This bundle includes: 1 x PreSonus Temblor T10 Active 10" Studio Subwoofer 4 x AxcessAbles XLR-XLR20 XLR TO XLR 20ft 10" Composite Low Frequency Driver 110 dB Continuous Maximum SPL 250 Watts of Class AB Amplification Variable 50 to 130 Hz Low Pass Filter