The FBT SUBLINE 118SA is an extremely compact bass-reflex design subwoofer. The FBT SUBLINE 118SA feature 0,70″ birch plywood construction covered in a scratch resistant black paint with two aluminum carrying handles an M20 top mounted stand adapter allows satellite speakers, such as the FBT speaker series and others, to placed above the subwoofer cab. The FBT SUBLINE 118SA features a 18″ high excursion woofer with 3″ voice coil. The FBT SUBLINE 118SA provides a Digital Signal Processor with 6 presets, 4 equalization with 2 LPF crossover settings, cardioid configuration. The FBT SUBLINE 118SA shall meet the following performance criteria: frequency response of 33Hz to 100Hz, max. SPL of 137dB peak, 1200W RMS Class D power amplifier with switch mode power supply; the control panel features stereo XLR in/out, level, EQ presets, 6 steps delay, phase reversal switch 0°-180°, 3 status led indicators.