The QSC E-Series E118sw is a high-performance direct-radiation subwoofer with a single 800-watt, 18-inch aluminum-frame woofer, engineered to produce crushing low-end for live performance with kick drum and bass in the PA, or for high-level dance music playback. An M20 threaded pole socket and included speaker pole allow tidy sub/satellite configurations with any E-Series two-way model, and attachment points for four optional casters ease transport between gigs. With 800 watts continuous and 3200 watts peak power handling, 98 dB sensitivity and 133 dB peak SPL, it brings authoritative bass to modestly sized rigs, and its 4-ohm impedance lets a single woofer be driven optimally by a cost-effective amplifier channel. As part of the E Series Entertainment System, the E118sw gains extra performance when used with QSC GXD or PLD amplifiers or a TouchMix digital mixer and their factory DSP presets for live reinforcement, monitoring, dance music and karaoke. A practical subwoofer upgrade for bands, churches and mobile DJs across Kenya. Key Features: - Single 18-inch woofer with 4-inch voice coil - 800 W continuous / 3200 W peak power capacity - Peak SPL of 133 dB - Frequency range of 32 Hz to 230 Hz (-10 dB) - 98 dB sensitivity (1 W @ 1 m) - 4-ohm nominal impedance - M20 threaded pole socket with pole included - Rear provision for optional casters