Garage
Shop

Your Vehicle


Universal fit Icon
Explore universal-fit speaker products for your 1999 K1100LT
Vehicle-specific solutions are not available.

Update vehicle | Remove vehicle | Vehicle store

Shop by Category


Products in these categories contain items that carry a guarantee to fit your BMW K1100LT (change vehicle)

Top sellers

Loading...
Filters
filter-icon Filters & Sort

DS18 VOC10LD-PK

Loaded Dual 10" Vented Voceteo Speaker Enclosure and 4-Channel Amplifier Package

VOC10LD-PK big
Go to item page Right Arrow Icon of Right Arrow

Loaded Dual 10" Vented Voceteo Speaker Enclosure and 4-Channel Amplifier Package

• Dual 10" Loaded Vented Speaker Enclosure and Amplifier Package
• Package includes enclosure, two 10" speakers, two 3.8" tweeters, and amplifier
• Speakon terminal with 12 feet OFC 4-conductor Speakon cable
• Quick-connect setup for instant install and playability

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $70.00 in rewards to spend later

Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
$699.95

In stock

Only 2 Left!

• Dual 10" Loaded Vented Speaker Enclosure and Amplifier Package
• Package includes enclosure, two 10" speakers, two 3.8" tweeters, and amplifier
• Speakon terminal with 12 feet OFC 4-conductor Speakon cable
• Quick-connect setup for instant install and playability

DS18 PRO-DKH1 (Sold Individually)

640W Peak (320W RMS) 2.03" 8-ohm Pro-Audio Compression Driver and Horn Tweeter Kit

PRO-DKH1 big
Go to item page Right Arrow Icon of Right Arrow

640W Peak (320W RMS) 2.03" 8-ohm Pro-Audio Compression Driver and Horn Tweeter Kit

• 6.5" Pro-Audio Horn Tweeter and 2.03" Compression Driver
• 640 watts Peak Each
• 320 watts RMS Each
• 8 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $12.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$119.95

In stock

Used from: $83.97

• 6.5" Pro-Audio Horn Tweeter and 2.03" Compression Driver
• 640 watts Peak Each
• 320 watts RMS Each
• 8 ohm Impedance

DS18 DXQTTI

120W Peak (60W RMS) 2.2" DXQ Series 4-ohm Tweeters

DXQTTI big
Go to item page Right Arrow Icon of Right Arrow

120W Peak (60W RMS) 2.2" DXQ Series 4-ohm Tweeters

• 2.2" DXQ Series Tweeters
• 60 watts Peak Each
• 30 watts RMS Each
• 4 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $14.00 in rewards to spend later

install icon

Install kits available for most vehicles

Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
$139.95 /pair

In stock

Only 2 Left!

• 2.2" DXQ Series Tweeters
• 60 watts Peak Each
• 30 watts RMS Each
• 4 ohm Impedance

DS18 NXL-8BK

750W Peak (250W RMS) 8” NXL Series 2 Way Coaxial 4-ohm Marine Speakers with Integrated RGB LED Lights (Black)

NXL-8/BK big
Go to item page Right Arrow Icon of Right Arrow

750W Peak (250W RMS) 8” NXL Series 2 Way Coaxial 4-ohm Marine Speakers with Integrated RGB LED Lights (Black)

• 375 watts Peak Each, 125 watts RMS Each
• 1" PEI Titanium Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB
• Mounting Depth: 3.09"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $27.60 in rewards to spend later

1
$275.95 /pair

In stock

• 375 watts Peak Each, 125 watts RMS Each
• 1" PEI Titanium Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB
• Mounting Depth: 3.09"

DS18 NXL-6M/BK

600W Peak (200W RMS) 6.5” NXL Series 2 Way Coaxial 4-ohm Marine Speakers with Integrated RGB LED Lights (Black)

NXL-6M/BK big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.5” NXL Series 2 Way Coaxial 4-ohm Marine Speakers with Integrated RGB LED Lights (Black)

• 300 watts Peak Each, 100 watts RMS Each
• 1" PEI Titanium Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB
• Mounting Depth: 2.5"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $27.00 in rewards to spend later

2
$269.95 /pair

In stock

• 300 watts Peak Each, 100 watts RMS Each
• 1" PEI Titanium Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB
• Mounting Depth: 2.5"

DS18 MP6/WH

360W Peak (120W RMS) 6.5" HYDRO Series 2 Way Coaxial 4-ohm Marine Speakers (White)

MP6/WH big
Go to item page Right Arrow Icon of Right Arrow

360W Peak (120W RMS) 6.5" HYDRO Series 2 Way Coaxial 4-ohm Marine Speakers (White)

• 180 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Dome tweeters
• Injection Molded Polypropylene cone material
• IPX5 Marine grade
• Impedance: 4 ohm
• Sensitivity: 91 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $10.80 in rewards to spend later

$107.95 /pair

In stock

• 180 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Dome tweeters
• Injection Molded Polypropylene cone material
• IPX5 Marine grade
• Impedance: 4 ohm
• Sensitivity: 91 dB

DS18 PRO-D22PH.8

640W Peak (160W RMS) 2" Throat 8-ohm Bolt-on Phenolic Compression Driver

PRO-D22PH.8 big
Go to item page Right Arrow Icon of Right Arrow

640W Peak (160W RMS) 2" Throat 8-ohm Bolt-on Phenolic Compression Driver

• 2" Throat compression driver
• Phenolic Diaphragm Material
• 640 watts Peak, 160 watts RMS
• 8 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $8.40 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $100.99
-17% $83.95

In stock

• 2" Throat compression driver
• Phenolic Diaphragm Material
• 640 watts Peak, 160 watts RMS
• 8 ohm Impedance

DS18 PRO-TW820 (Sold Individually)

200W Peak (100W RMS) 2.3" Pro Series High Compression Super Bullet Tweeter

PRO-TW820 big
Go to item page Right Arrow Icon of Right Arrow

200W Peak (100W RMS) 2.3" Pro Series High Compression Super Bullet Tweeter

• 2.3" Pro Series Pro-Audio Super Bullet Tweeter
• 200 watts Peak Each
• 100 watts RMS Each
• 4 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $7.20 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
$71.95

In stock

• 2.3" Pro Series Pro-Audio Super Bullet Tweeter
• 200 watts Peak Each
• 100 watts RMS Each
• 4 ohm Impedance

DS18 PRO-DN24PH.8

1000W Peak (250W RMS) 2" Pro Series 8-ohm Pro-Audio Phenolic Compression Driver

PRO-DN24PH.8 big
Go to item page Right Arrow Icon of Right Arrow

1000W Peak (250W RMS) 2" Pro Series 8-ohm Pro-Audio Phenolic Compression Driver

• 2" Pro Series Pro-Audio Compression Driver
• 1000 watts Peak Each
• 250 watts RMS Each
• 8 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $36.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $431.99
-17% $359.95

In stock

• 2" Pro Series Pro-Audio Compression Driver
• 1000 watts Peak Each
• 250 watts RMS Each
• 8 ohm Impedance

DS18 PRO-DKH1X

640W Peak (160W RMS) 2" Throat 8-ohm Aluminum Horn Compression Driver with Spacer

PRO-DKH1X big
Go to item page Right Arrow Icon of Right Arrow

640W Peak (160W RMS) 2" Throat 8-ohm Aluminum Horn Compression Driver with Spacer

• 2" Throat compression driver with horn and spacer
• Titanium Diaphragm Material
• 640 watts Peak, 160 watts RMS
• 8 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $13.20 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $158.99
-17% $131.95

In stock

• 2" Throat compression driver with horn and spacer
• Titanium Diaphragm Material
• 640 watts Peak, 160 watts RMS
• 8 ohm Impedance

DS18 PRO-DN24TI.8

1000W Peak (250W RMS) 2" Pro Series 8-ohm Pro-Audio Titanium Compression Driver

PRO-DN24TI.8 big
Go to item page Right Arrow Icon of Right Arrow

1000W Peak (250W RMS) 2" Pro Series 8-ohm Pro-Audio Titanium Compression Driver

• 2" Pro Series Pro-Audio Compression Driver
• 1000 watts Peak Each
• 250 watts RMS Each
• 8 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $36.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $431.99
-17% $359.95

In stock

• 2" Pro Series Pro-Audio Compression Driver
• 1000 watts Peak Each
• 250 watts RMS Each
• 8 ohm Impedance

DS18 PRO-D22TI.8

640W Peak (160W RMS) 2" Throat 8-ohm Bolt-on Titanium Compression Driver

PRO-D22TI.8 big
Go to item page Right Arrow Icon of Right Arrow

640W Peak (160W RMS) 2" Throat 8-ohm Bolt-on Titanium Compression Driver

• 2" Throat compression driver
• Titanium Diaphragm Material
• 640 watts Peak, 160 watts RMS
• 8 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $8.40 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $100.99
-17% $83.95

In stock

• 2" Throat compression driver
• Titanium Diaphragm Material
• 640 watts Peak, 160 watts RMS
• 8 ohm Impedance

DS18 PRO-D22PY.8

640W Peak (160W RMS) 2" Throat 8-ohm Bolt-on Polyimide Compression Driver

PRO-D22PY.8 big
Go to item page Right Arrow Icon of Right Arrow

640W Peak (160W RMS) 2" Throat 8-ohm Bolt-on Polyimide Compression Driver

• 2" Throat compression driver
• Polyimide Diaphragm Material
• 640 watts Peak, 160 watts RMS
• 8 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $8.40 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $100.99
-17% $83.95

In stock

• 2" Throat compression driver
• Polyimide Diaphragm Material
• 640 watts Peak, 160 watts RMS
• 8 ohm Impedance

DS18 PRO-TW750CN-8/BK (Sold Individually)

440W Peak (160W RMS) 4" PRO Series 8-ohm Pro Audio Super Bullet Tweeter

PRO-TW750CN-8/BK big
Go to item page Right Arrow Icon of Right Arrow

440W Peak (160W RMS) 4" PRO Series 8-ohm Pro Audio Super Bullet Tweeter

• 4" PRO Series Pro Audio Tweeter
• 440 watts Peak, 160 watts RMS
• 8 ohm impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $12.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$119.95

In stock

Only 2 Left!

• 4" PRO Series Pro Audio Tweeter
• 440 watts Peak, 160 watts RMS
• 8 ohm impedance

DS18 NXL-T1/BK

240W Peak (120W RMS) 3.8" NXL Series 4-ohm Pro Audio Bullet-Loaded Horn Tweeters

NXL-T1/BK big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 3.8" NXL Series 4-ohm Pro Audio Bullet-Loaded Horn Tweeters

• 3.8” NXL Series Pro Audio Bullet Loaded Horn Tweeters
• 240 watts Peak Each
• 120 watts RMS Each
• 4 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $9.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$89.95

In stock

Only 3 Left!

• 3.8” NXL Series Pro Audio Bullet Loaded Horn Tweeters
• 240 watts Peak Each
• 120 watts RMS Each
• 4 ohm Impedance

DS18 CF-65M

600W Peak (200W RMS) 6.5" NXL Series 2 Way Coaxial 4-ohm Marine Speakers

CF-65M big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.5" NXL Series 2 Way Coaxial 4-ohm Marine Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 1" PEI Titanium Dome tweeters
• Injection Molded Polypropylene with UV Protection cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB
• Mounting Depth: 2.5"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $27.60 in rewards to spend later

List price $331.99
-17% $275.95 /pair

In stock

Only 1 Left!

• 300 watts Peak Each, 100 watts RMS Each
• 1" PEI Titanium Dome tweeters
• Injection Molded Polypropylene with UV Protection cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB
• Mounting Depth: 2.5"

DS18 CF-8M

750W Peak (350W RMS) 8" Hydro Series 2 Way Coaxial 4-ohm Marine Speakers with RGB LED Lighting

CF-8M big
Go to item page Right Arrow Icon of Right Arrow

750W Peak (350W RMS) 8" Hydro Series 2 Way Coaxial 4-ohm Marine Speakers with RGB LED Lighting

• 375 watts Peak Each, 125 watts RMS Each
• 1" PEN Dome tweeters
• Injection Molded Polypropylene with UV Protection cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB
• Mounting Depth: 6.97"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $32.40 in rewards to spend later

List price $388.99
-17% $323.95 /pair

In stock

Only 1 Left!

• 375 watts Peak Each, 125 watts RMS Each
• 1" PEN Dome tweeters
• Injection Molded Polypropylene with UV Protection cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB
• Mounting Depth: 6.97"

DS18 NXL-8M/WH

750W Peak (250W RMS) 8” NXL Series 2 Way Coaxial 4-ohm Marine Speakers with Integrated RGB LED Lights (White) 

NXL-8M/WH big
Go to item page Right Arrow Icon of Right Arrow

750W Peak (250W RMS) 8” NXL Series 2 Way Coaxial 4-ohm Marine Speakers with Integrated RGB LED Lights (White) 

• 375 watts Peak Each, 125 watts RMS Each
• 1" PEI Titanium Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB
• Mounting Depth: 3.09"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $31.80 in rewards to spend later

$317.95 /pair

In stock

Only 1 Left!

• 375 watts Peak Each, 125 watts RMS Each
• 1" PEI Titanium Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB
• Mounting Depth: 3.09"

DS18 PRO-DRNCOAX (Sold Individually)

880W Peak (220W RMS) 2" Throat Bolt-on Mid-driver with Bullet Tweeter Coaxial Compression Driver

PRO-DRNCOAX big
Go to item page Right Arrow Icon of Right Arrow

880W Peak (220W RMS) 2" Throat Bolt-on Mid-driver with Bullet Tweeter Coaxial Compression Driver

• 2" Throat Bolt-on Coaxial Compression Driver
• 880 watts Peak, 220 watts RMS
• 8 ohm impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $60.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$599.95

In stock

Only 2 Left!

• 2" Throat Bolt-on Coaxial Compression Driver
• 880 watts Peak, 220 watts RMS
• 8 ohm impedance

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2012 Ram C/V

    1985 GMC C2500 Suburban

    1983 Dodge Challenger

    1981 Peugeot 505

    2016 Toyota Camry

    Vehicle
    Store
    Delete

    1999 BMW K1100LT

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.