The black QSC E112 is a trapezoidal, two-way loudspeaker, well suited for sound reinforcement applications including live performance, DJ and dance music, karaoke, and event production. The E112 requires an amplifier with a minimum of 400W continuous (1600W peak) to power the 12" woofer and 1" compression driver that combine to offer a frequency response of 64 Hz to 20 kHz (-6 dB) with a peak SPL of 128 dB. QSC recommends the use of a DSP speaker processor or a power amplifier with integrated DSP in order to set crossovers, limiting, and equalization to ensure the best performance. QSC's GXD or PLD amplifiers, as well as TouchMix digital mixers offer on-board DSP and factory-tuned presets, which provide settings for live sound reinforcement (with and without subwoofers), stage monitoring, dance music, and karaoke.