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Fi btl for sale on US's largest classifieds sites (51 results)

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20


$400.00

Fi Audio Sub BTL - $400 (Laughlin)

Used Fi Audio Sub BTL - $400 (Laughlin) in BULLHEAD CITY, AZ, USA
2 months ago
BULLHEAD CITY,AZ
Fi Audio Sub BTL - $400 (Laughlin)

15 BTL N2Dual 2ohm subAsking 400 o.b.oInterested call,text for more info.

$400.00

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Fi Audio Btl 12 - $400 (SA)

Used Fi Audio Btl 12 - $400 (SA) in SAN ANTONIO, TX, USA
7 months ago
SAN ANTONIO,TX
Fi Audio Btl 12 - $400 (SA)

Fi Audio Btl 12 with box. Sub Can take 3000Rms When done With Clean Power, Box is wrapped in black suede Tuned to 32hz capable of 26hz-43hz. 400 with Box350 WithoutText Or Call 210-548-5371 ONLY SERIOUS INQUIERIES, No Trades Location SA

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18in Fi BTL subwoofer and box for sale - x0024450

Used 18in Fi BTL subwoofer and box for sale - x0024450 in SAN ANGELO, TX, USA
7 months ago
SAN ANGELO,TX
 18in Fi BTL subwoofer and box for sale - x0024450

Selling my 18 Fi BTL before I move stations. It has a max RMS of 2000 and it has a ported box tuned to specs for it. Ive had this for a little over a year but half of that it wasnt used once. No problems with it at all. Im looking for 450. I also have a that does 1500RMS which can be negotiated in. I...

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18 Fi BTL N2 subwoofer. - $350 (Chalmette)

Used 18 Fi BTL N2 subwoofer. - $350 (Chalmette) in NEW ORLEANS, LA, USA
7 months ago
NEW ORLEANS,LA
18 Fi BTL N2 subwoofer. - $350 (Chalmette)

I have 1 18 Fi BTL N2 Dual 2 ohm subwoofer for sale. Used it for about 3 months. Nothing wrong with it just going to something smaller. Text or Call Kenny 985-290-5968 Location Chalmette

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Fi 15 BTL dual 1ohm Subwoofer - $400 (Lafayette)

Used Fi 15 BTL dual 1ohm Subwoofer - $400 (Lafayette) in LAFAYETTE, LA, USA
7 months ago
LAFAYETTE,LA
Fi 15 BTL dual 1ohm Subwoofer - $400 (Lafayette)

I am selling this old school Fi 15 btl dual 1ohm coil 2000w rms. It it one of the first BTLs Fi released back in 2007. It includes a huge tripple stack motor with all custom loaded options. It has been reconed to the new tinsel spider design and the voice coil is in good condition. I also have two...

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$850.00

Two 15 inch fi BTL SP4S - $850 (Humble,tx)

Used Two 15 inch fi BTL SP4S - $850 (Humble,tx) in HOUSTON, TX, USA
7 months ago
HOUSTON,TX
 Two 15 inch fi BTL SP4S - $850 (Humble,tx)

Got these almost broken in. Nothing wrong just ready to try something new. ONLY TEXT 281-761-1037850 Firm Location Humble,tx

$850.00

$1.00

Fi BTL 18 - $1 (Reliant )

Used Fi BTL 18 - $1 (Reliant ) in HOUSTON, TX, USA
7 months ago
HOUSTON,TX
 Fi BTL 18 - $1 (Reliant )

Fully built 18 in fi btl with box built to spec and tuned at 30hz. Give your best offer. NO LOWBALLERS OR PENNY PUSHERS Amp can be added for the right price. SYSTEM IS STILL IN CARAmp is a 4000 watt CEA certified MASSIVE mono d block only 4 months old TXT or Call 713-894-5852 please leave a message if...

$1.00

$550.00

FI BTL N2 15 and separately a R1200 - $550 (league city)

Used FI BTL N2 15 and separately a R1200 - $550 (league city) in HOUSTON, TX, USA
7 months ago
HOUSTON,TX
 FI BTL N2 15 and separately a R1200 - $550 (league city)

like the title says. is for 150. no less.the fi has a brand new cone. you can still feel how stiff the cone is. less than 2 hours playtime on it.will trade also409-5o2-7267 Location league city

$550.00

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15 Fi BTL Subwoofer, PSI Recone - $350 (HumbleHouston)

Used 15 Fi BTL Subwoofer, PSI Recone - $350 (HumbleHouston) in HOUSTON, TX, USA
7 months ago
HOUSTON,TX
15 Fi BTL Subwoofer, PSI Recone - $350 (HumbleHouston)

Im selling my 15 Fi BTL, UFO style. Its been reconed with a PSi recone, rated at 2500 watts RMS. It is a dual 2 ohm. I was running it with a DC 2.0k lifier, wired down to 1 ohm. This is competition subwoofer. this is not a subwoofer you will find in any flea market. look up some videos of a 15 inch Fi...

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2 15 Fi BTL N2s 2 2500 Soundstream s - $1 (Houma )

Used 2 15 Fi BTL N2s 2 2500 Soundstream s - $1 (Houma ) in HOUMA, LA, USA
7 months ago
HOUMA,LA
2 15 Fi BTL N2s 2 2500 Soundstream s - $1 (Houma )

I have 2 15 Fi BTL N2s and 2 2500 Soundstream s for sale. All of these items are brand new, still in the boxes. I am selling the subs for 500 a piece originally 614 a piece and 300 for each . If you buy the subs, I will give you the custom 12 cubed box I have for them for free. I found out I have a ba...

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$1,500.00

2 Fi BTL N2 2 2500 Soundstream Amps - $1500 (Houma)

Used 2 Fi BTL N2 2 2500 Soundstream Amps - $1500 (Houma) in HOUMA, LA, USA
7 months ago
HOUMA,LA
2 Fi BTL N2 2 2500 Soundstream Amps - $1500 (Houma)

I have an entire brand new stereo system. Two Fi BTL N2s fully loaded, Two 2500 SoundStream Rubicon Amps, and a special made 12 cubed box to fit the specs of these subs. All of these items are brand new in the box, never used. The box is black carpeted and should fit any full size truck or SUV. I have...

$1,500.00

$700.00

18 inch Fi BTL 3,000 watt SUBWOOFER - $700 (Baton RougeLaffayette)

Used 18 inch Fi BTL 3,000 watt SUBWOOFER - $700 (Baton RougeLaffayette) in BATON ROUGE, LA, USA
7 months ago
BATON ROUGE,LA
 18 inch Fi BTL 3,000 watt SUBWOOFER - $700 (Baton RougeLaffayette)

This is a freshly rebuilt FI Audio 18 inch BTL 3stack series subwoofer. Hand made in U.S.A Weighing it at 85 pounds, this subwoofer is engineered to handle 3,000 watts of continuous power. It comes with a custom box which is 7 cubic feet tuned 32 hz. Since it has been rebuilt Ive only given it 1,000...

$700.00

$375.00

Fi BTL N2 18 - $375 (Zachary,Louisiana)

Used Fi BTL N2 18 - $375 (Zachary,Louisiana) in BATON ROUGE, LA, USA
7 months ago
BATON ROUGE,LA
 Fi BTL N2 18 - $375 (Zachary,Louisiana)

Fi BTL 18.Great condition,and is fully broken in.3752253016281 Location Zachary,Louisiana

$375.00

$375.00

FI BTL 18 - $375 (Zachary,Louisiana)

Used FI BTL 18 - $375 (Zachary,Louisiana) in BATON ROUGE, LA, USA
7 months ago
BATON ROUGE,LA
 FI BTL 18 - $375 (Zachary,Louisiana)

FI BTL 18 in great condition.Selling because I have nowhere to put it.2253016281 Location Zachary,Louisiana

$375.00

$1,000.00

Two Fi BTL N3 18s - $1000 (Denham)

Used Two Fi BTL N3 18s - $1000 (Denham) in BATON ROUGE, LA, USA
7 months ago
BATON ROUGE,LA
 Two Fi BTL N3 18s - $1000 (Denham)

I have for sale two Fi Car Audio BTL N3 18s.dual 2 ohm voice coils. 7 spider pack on subs.One is a 12 spoke basket other is on a Ti basket. They perform 100 the same and perfectly together.Did a 159.5db in my car at my shop. And 158.8 at a show with protecting s.Please text 225-620-510three Location D...

$1,000.00

$400.00

18 fi btl 2500w sub - $400 (Baton Rouge )

Used 18 fi btl 2500w sub - $400 (Baton Rouge ) in BATON ROUGE, LA, USA
7 months ago
BATON ROUGE,LA
 18 fi btl 2500w sub - $400 (Baton Rouge )

I got this fi btl 18 sub about 4 months ago but got a new car 01 Lexus rx 300 and dont have time to hook it all up. I already sold the so its just the sub and box. Txt me at 225-329-5440 if interested. You can hook it up before you buy it or whatever. Its in great condition. Its dual 1 or 2 ohm compa...

$400.00

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Fi BTL 18 and Skar Audio SK-1500 lifier - $1000 (HammondNew Orleans)

Used Fi BTL 18 and Skar Audio SK-1500 lifier - $1000 (HammondNew Orleans) in BATON ROUGE, LA, USA
7 months ago
BATON ROUGE,LA
Fi BTL 18 and Skar Audio SK-1500 lifier - $1000 (HammondNew Orleans)

Barely broken in Fi BTL subwoofer powered by a Skar . RMS at 1 ohm says 1700 on the box. Skar is a very underground brand of car audio. Dont make the assumption that since it is not very known, that it isnt of high quality. This is very efficient and doesnt get hot at all. Pretty happy with this setu...

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FI BTL 15 NO TRADES - x0024400 (GardenCity or Plymouth)

Used FI BTL 15 NO TRADES - x0024400 (GardenCity or Plymouth) in DETROIT, MI, USA
7 months ago
DETROIT,MI
 FI BTL 15 NO TRADES - x0024400 (GardenCity or Plymouth)

FI BTL 15inch subwoofer, a year old have box it came in to prove it, works great. box tuned to 35hz. NO TRADES NO LOWBALLERS call or text prefer text734-255-9510 please ignore Kicker Sony alpine kenwood sundown Memphis ma audio Rockford fosgate fi btl subwoofer 15inch 18inch 12inch 15 18 12 kicker alp...

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Fi btl 18 or to - $320 (dearborn heights)

Used Fi btl 18 or to - $320 (dearborn heights) in DETROIT, MI, USA
7 months ago
DETROIT,MI
Fi btl 18 or to - $320 (dearborn heights)

Fi btl 18, ufo btl, guy had recone on it 4 mounts ago, the voice coil is great motor is great, just needs little glue on the sprider, other then that its fine, its not blown, voice coil not rubbing, i had it in my car it was sounding fine, had my tuned by 5k electronics and i asked him if it sounds o...

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-Fi BTL 18inch Subwoofer- - $350 (SOUTH LYON)

Used -Fi BTL 18inch Subwoofer- - $350 (SOUTH LYON) in DETROIT, MI, USA
7 months ago
DETROIT,MI
-Fi BTL 18inch Subwoofer- - $350 (SOUTH LYON)

For sale I have a 18 inch Fi BTL n2 subwoofer.The subwoofer is in great condition, has only been in use for a little under 2 months and was never given more than 1500 watts of power rated at 2000 RMS 4000 MAX Blue Fi logo on the dust cap, little to no scratchesblemishes on sub. FLEXIBLE ON THE PRICE, ...

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