Fi BTL 15

Products > Car Audio > Subwoofers

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The BTL Series does what others cant. It allows you to tailor your subwoofer for your exact extreme SPL needs. Starting with our standard double stacked motor and 8 layer flat wind voice coil, you can tweak things with a variety of options. Need more power handling? Add a chamfered pole or axial cooling channels. Need incredible Xmax to feed your 160dB at 20Hz obsession? Add a third magnet and our extended length coils (26mm of Xmax). With over 20 different options to choose from, we can build the exact sub you need to fuel your SPL fire.

Dual 1 and Dual 2 Ohm (custom options available)
Cast basket
Wrap around gasket
Kraft pulp fiber reinforced cone
Single layer wide foam surround
Push terminals
Extreme lead wire
FEA optimized motor
3" diameter 8 layer coil (High Xmax coil option)
Double stack magnets (option for third)
Quad progressive spiders
And many other custom options

DUAL 1 | DUAL 2

Fs: 36.7 Hz | 36.1 Hz
Re: 0.7 Ohms/coil | 1.5 Ohms/coil
Qms: 5.62 | 5.71
Qes: .25 | .23
Qts: .24 | .23
Mms: 241g | 249g
Cms: 0.78mm/N | 0.78mm/N
Sd: 810cm^2 | 810cm^2
Vas: 71.7 l | 71.7 l
Spl: 93.3dB 1W/1m | 93.4dB 1W/1m
Bl: 17.5 N/A | 26.9 N/A
Xmax: 16mm * | 16mm *
Rms: 2000W * | 2000W *
Sealed box: N/A cuft | N/A cuft
Ported box: 3-5cuft | 3-5cuft
Sub OD: 15.625" | 15.625"
Cut ID: 14.125" | 14.125"
Mounting depth: 8.250" * | 8.250" *
Displacement: 0.21cuft * | 0.21cuft *




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