Garage
Shop

1986 BMW 635CSi

The best Digital Sound Processors (DSP) for 1986 635CSi

Digital Sound Processors for 1986 BMW 635CSi

Shop for Digital Sound Processors (DSP) that offer massive upgrades to your factory BMW 635CSi OEM stereo. A DSP will revolutionize the way you are able to control your overall sound in your vehicle and get precise adjustments to your amps and speakers.

Loading...
Filters
filter-icon Filters & Sort

Wet Sounds WS-420 BT

4-Band Parametric Marine Equalizer with Bluetooth and 3-Zone Controls

Go to item page Right Arrow Icon of Right Arrow

4-Band Parametric Marine Equalizer with Bluetooth and 3-Zone Controls

• 4 band-Band Parametric Marine Equalizer
• 3-zone controller with 2 separate equalizers for tower and cabin zones
• Main input, Auxiliary input, or Bluetooth input
• Master, in-boat and tower zones, and subwoofer volumes
• Includes a talkback microphone for PA communications

Shipping Credit Applied
VIP Star Icon

VIP Product Get $53.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

• 4 band-Band Parametric Marine Equalizer
• 3-zone controller with 2 separate equalizers for tower and cabin zones
• Main input, Auxiliary input, or Bluetooth input
• Master, in-boat and tower zones, and subwoofer volumes
• Includes a talkback microphone for PA communications

Wet Sounds WS-420 BT + Mounting Harware Package

WS 420 SQ 4-Band Parametric Marine Bluetooth Equalizer w/ 3 Zone Operation & Microphone + Mounting Bracket (WetSounds)

Go to item page Right Arrow Icon of Right Arrow

WS 420 SQ 4-Band Parametric Marine Bluetooth Equalizer w/ 3 Zone Operation & Microphone + Mounting Bracket (WetSounds)

• Wet Sounds WS-420 BT 4-Band Parametric Marine Equalizer
• Built-In Bluetooth
• Microphone Turns Your System into a PA
• Compatible with Android and iPhone
• WS-EQ UDM - S Aluminum In Dash EQ Mounting Bracket

Save 15% Off Package Deals at Checkout!

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

• Wet Sounds WS-420 BT 4-Band Parametric Marine Equalizer
• Built-In Bluetooth
• Microphone Turns Your System into a PA
• Compatible with Android and iPhone
• WS-EQ UDM - S Aluminum In Dash EQ Mounting Bracket

    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?
    FAQ for Digital Sound Processors (DSP) in 1986 635CSi

    Q: Can I upgrade or change the Digital Sound Processors (DSP) in 1986 BMW 635CSi?

    A: Yes this page includes all the best Digital Sound Processors (DSP) that work in your 635CSi.

    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    1986 BMW 635CSi

    2019 Jeep Wrangler

    2000 Mercedes-Benz E-Class

    2002 Subaru Impreza

    2000 Chevrolet Camaro

    2005 Kia Spectra5

    2015 Mercedes-Benz G-Class

    2007 Cadillac XLR

    1992 Toyota Tercel

    1976 Oldsmobile Cutlass

    Vehicle
    Store
    Delete

    2021 Harley Davidson FLRT Freewheeler

    Vehicle
    Store
    Delete

    2014 Can-Am Commander 1000

    2018 Can-Am Defender MAX HD10 DPS

    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.