SKU: 2328458255

FBT Subline 115SA Active Subwoofer

Sale price$703.80 Regular price$782.00
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

FBT Subline 115SA Active SubwooferThe 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

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.

FEATURES
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

SPECIFICATIONS
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 mm
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
Net Dimension (WxHxD): 500x517x570 / 19.7x20.3x22.4 mm
Net Weight: 28kg
Transport Dimension (WxHxD): 600x617x670 / 23.6x24.3x26.4 mm
Transport Weight: 32kg
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 2328458255

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4.5 ★★★★★
Based on 10 reviews
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Verified Purchase
runnersway
Draper, US
★★★★★ 5
Calf shaft runs big
Size: 9, Color: Black Wc
Beautiful suede boots. The shaft does run a bit loose so if you’re on the fence about ordering a wide version you may want to try the regular size first. I sized up half a size so I could wear a sock but probably didn’t need to. The kitten heel height is perfect for my comfort. I liked these so much I got them in dark walnut and black.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 3, 2025
D
Verified Purchase
Diana Dreyer
Omaha, US
★★★★★ 5
Very nice quality
Size: 8.5, Color: Warm Oat, Size: 8.5, Color: Warm Oat
These boots are extremely comfortable and rich looking. I got the beige color.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
M
Verified Purchase
Monica
Grantham, US
★★★★★ 5
Love this stylish boot!
Size: 9.5, Color: Black Wc
Stylish boot with low heel. Good suede and rubber no-slip sole. I purchased wide calf and they fit well. My calf measures 16.5 inches. I purchased also in brown and chianti colors.
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Reviewed in the United States on March 25, 2026
A
Verified Purchase
Alma Gutierrez
Lowell, US
★★★★★ 1
Arrival time
Size: 8, Color: Black Wc
Disappointed I ordered them thinking they would arrive when they said they would and they did not! Ordered two pairs and run extremely big!
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Reviewed in the United States on July 31, 2025
S
Verified Purchase
Sissytoo
Charlottesville, US
★★★★★ 2
Returned
Size: 8, Color: Spiced Nutmeg Cs Wc
The suede and color were great but the boot didn’t fit. The calf fit was way too big and the toe was so pointy it felt and looked weird to me - made my foot feel cramped and looked like I was wearing two sizes bigger. The heel was nice though.
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Reviewed in the United States on December 11, 2024

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