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FBT Subline 115SA

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FBT Subline 115SA
FBT Subline 115SA
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Product Description

The FBT Subline 115SA is an active powered 15" PA subwoofer that can produce a massive 700W RMS power and 1400W peak power! If you're a club/bar owner or mobile DJ looking to add some extra low end bass performance to your existing setup, this subwoofer will deliver that. Capable of being used for a number of professional applications the FBT Subline 115SA is a true powerhouse subwoofer.

The SUBline series has been completely redesigned and consists of 112SA, 115SA, 118SA, 218SA active and 118S and 218S passive subwoofer models, all bass-reflex , built in birch plywood and aimed to extend the low frequency response to a wide range of FBT speaker systems.

Created with the aim to maximize SPL/SIZE ratio, they have Class D amplifiers, switch mode power supply and Digital Signal Processor with presets to match any other FBT speaker.

With IN/OUT stereo connectors, it is possible to use only one subwoofer with Left and Right speakers

Optional wheels, ergonomic integrated carrying handles and tour-grade plywood cabinets allow an easy transport.


  • Bass-reflex design with high SPL and punch
  • 380mm (15”) high excursion magnet woofer with 75mm (3”) voice coil
  • Frequency response from 40Hz to 140Hz
  • New amplifier engineered and manufactured by FBT, 700W RMS LF in Class D
  • Digital Signal processor with 8 presets, 2 equalization with 2 LPF Crossover settings, cardioid configuration
  • Control panel with Stereo XLR in/outs, Volume, EQ presets, 8 steps Delay from 0.25m to 3.5m, Phase Reversal Switch 0°-180°, 3 status LED indicators
  • 15 mm (0.59”) birch plywood scratch resistant enclosure with internal bracing
  • M20 (20mm) top mount speaker stand socket and two aluminum ergonomic FBT handles


  • Configuration: 1 way
  • Built-in amplifier LF/HF: 700 W RMS
  • Built-in amplifier peak LF/HF: 1400 W
  • Frequency response: 38Hz - 140Hz -6dB
  • Low Frequency woofer: 15 inch
  • Maximum SPL cont/peak: 132/135 Half-space dB
  • Dispersion: omnidirectional HxV
  • Input impedance: 22 Kohm
  • Crossover Frequency: 90 or 140Hz KHz
  • AC Power requirements: 640 VA
  • Input connector: stereo XLR with loop, HP out
  • Power cord: 6/19.7 m/ft
  • Net Dimension (WxHxD): 500x517x570 / 19.7x20.3x22.4 mm/inch
  • Net Weight: 28/61.7 kg/lb
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