X-SUB 118SA is an 18″ active subwoofer with bass-reflex design, developed as the ideal low-frequency extension for FBT’s X-LITE and X-PRO loudspeaker lines. Equipped with a high-efficiency 18″ woofer and a 3″ voice coil, it delivers up to 136 dB SPL and covers a frequency range of 38 Hz to 120 Hz (-6 dB). The 1200W Class D amplifier ensures powerful and consistent low-end performance. The onboard DSP processor provides 4 presets, allowing flexible system configuration. The rear panel features stereo XLR/Jack combo inputs and outputs, stereo XLR HP filtered outputs, level control, phase reverse switch (0°/180°), preset selector, and LED indicators for protection and limiting. Constructed from 18 mm birch plywood with a scratch-resistant black paint finish, the cabinet is equipped with an M20 top mount for satellite poles, two ergonomic aluminum handles, and pre-drilled positions for optional 100 mm wheels. Ideal for fixed installations, live events, and portable PA systems.
FEATURES:
- Active subwoofer
- 18mm / 0.70″ birch plywood cabinet
- 18″ woofer / 3″ voice coil
- 1200W RMS Class D power amplifier
- 4 DSP presets
- Frequency response 38Hz – 120Hz
- M20 top mount speaker stand socket Optional 100mm / 3.93″ transport wheels
SPECIFICATIONS:Â
- Frequency response:38Hz – 120KHz
- Low frequency woofer:18″ – 3″ VC
- Maximum SPL cont./peak:136 dB half space
- Dispersion: omnidirectional
- Input impedance:22
- Input connector: RCA With loop
- Net Dimension (W x H x D): 510 x 655 x 630
- Net Weight: 34kg
- Enclosure: Plywood
- Grill: Steel with powder coat black paint finish
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