Garage
Shop

Discontinued Hifonics 15" Car Subwoofers

Hifonics 15" car subwoofers will provide your vehicle with the bass and lows that you desire.

Loading...
Filters

Shop the Category

filter-icon Filters & Sort
You are currently viewing discontinued products.

Hifonics BRZ15D4 (BRZ-15D4)

1200 Watt 15" Brutus Series Dual 4 ohm Subwoofer

Go to item page Right Arrow Icon of Right Arrow

1200 Watt 15" Brutus Series Dual 4 ohm Subwoofer

• 1200W Peak
• 600W RMS
• Dual 4 Ohm
• Polypropylene Cone
• Rubber Surround
• Dual Nomex Spiders
• Push and Insert Speaker Terminals
• 2.5" High-Temperature Voice Coil

• 1200W Peak
• 600W RMS
• Dual 4 Ohm
• Polypropylene Cone
• Rubber Surround
• Dual Nomex Spiders
• Push and Insert Speaker Terminals
• 2.5" High-Temperature Voice Coil

Hifonics TW15D4

1200W Max (600W RMS) 15" TITAN Series Dual 4 Ohm Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

1200W Max (600W RMS) 15" TITAN Series Dual 4 Ohm Car Subwoofer

• 1200 Watts Max
• 600 Watts RMS
• Power stitched thermal formed polypropylene cone
• UV Butyl rubber surround
• Dual 2.5 inch high temperature 4 Ohm voice coils
• Heavy gauge powder coated stamped steel basket

• 1200 Watts Max
• 600 Watts RMS
• Power stitched thermal formed polypropylene cone
• UV Butyl rubber surround
• Dual 2.5 inch high temperature 4 Ohm voice coils
• Heavy gauge powder coated stamped steel basket

Hifonics ZRX15SQD4

15" Dual 4 ohm Zeus Series Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

15" Dual 4 ohm Zeus Series Car Subwoofer

15" Zeus Series Car Subwoofer • Dual 4 ohm ohm Voice Coil • 1000W Max • 500W RMS • Polypropylene Cone • High Excursion Rubber Surround • Nomex Spider • 2" High Temp Voice Coil

15" Zeus Series Car Subwoofer • Dual 4 ohm ohm Voice Coil • 1000W Max • 500W RMS • Polypropylene Cone • High Excursion Rubber Surround • Nomex Spider • 2" High Temp Voice Coil

Hifonics HAW15D4

15" Alpha Series 1400W Dual Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

15" Alpha Series 1400W Dual Car Subwoofer

• 1400W Max / 700W RMS
• 4 Ohm
• UV rubber
• Alpha Series
• Steel Basket
• 5.54" Top Mount

VIP Star Icon

VIP Product Get $23.00 in rewards to spend later

• 1400W Max / 700W RMS
• 4 Ohm
• UV rubber
• Alpha Series
• Steel Basket
• 5.54" Top Mount

Hifonics TW15D4 4-Ohm Car Subwoofer (2 Pack)

1200W Max (600W RMS) 15" TITAN Series Dual 4 Ohm Car Subwoofer Package

Go to item page Right Arrow Icon of Right Arrow

1200W Max (600W RMS) 15" TITAN Series Dual 4 Ohm Car Subwoofer Package

• 1200 Watts Max
• 600 Watts RMS
• Power stitched thermal formed polypropylene cone
• UV Butyl rubber surround
• Dual 2.5 inch high temperature 4 Ohm voice coils
• Heavy gauge powder coated stamped steel basket

• 1200 Watts Max
• 600 Watts RMS
• Power stitched thermal formed polypropylene cone
• UV Butyl rubber surround
• Dual 2.5 inch high temperature 4 Ohm voice coils
• Heavy gauge powder coated stamped steel basket

(2) Hifonics Brutus BRZ15D4 15" Car Subwoofers 2400 Watt Peak/1200w RMS Subs

1200 Watt 15" Brutus Series Dual 4 ohm Subwoofer Package

Go to item page Right Arrow Icon of Right Arrow

1200 Watt 15" Brutus Series Dual 4 ohm Subwoofer Package

• 1200W Peak
• 600W RMS
• Dual 4 Ohm
• Polypropylene Cone
• Rubber Surround
• Dual Nomex Spiders
• Push and Insert Speaker Terminals
• 2.5" High-Temperature Voice Coil

• 1200W Peak
• 600W RMS
• Dual 4 Ohm
• Polypropylene Cone
• Rubber Surround
• Dual Nomex Spiders
• Push and Insert Speaker Terminals
• 2.5" High-Temperature Voice Coil

Hifonics OLM1615

15" Olympus Series Dual 2 ohm Subwoofer (OLM-1615)

Go to item page Right Arrow Icon of Right Arrow

15" Olympus Series Dual 2 ohm Subwoofer (OLM-1615)

15" Olympus Series Subwoofer • 3200W Max • 1600W RMS • Fiber-Glass Infused FEA Structured Cone • 1" Hi-Excursion Surround • 3" Multi-layer high-temp dual 2 ohm voice coil

15" Olympus Series Subwoofer • 3200W Max • 1600W RMS • Fiber-Glass Infused FEA Structured Cone • 1" Hi-Excursion Surround • 3" Multi-layer high-temp dual 2 ohm voice coil

Hifonics OLM2415

15" Olympus Series Dual 2 ohm Subwoofer (OLM-2415)

Go to item page Right Arrow Icon of Right Arrow

15" Olympus Series Dual 2 ohm Subwoofer (OLM-2415)

15" Olympus Series Subwoofer • 4800W Max • 2400W RMS • Fiber-Glass Infused FEA Structured Cone • 1" Hi-Excursion Surround • 3" Multi-layer high-temp dual 4 ohm voice coil

15" Olympus Series Subwoofer • 4800W Max • 2400W RMS • Fiber-Glass Infused FEA Structured Cone • 1" Hi-Excursion Surround • 3" Multi-layer high-temp dual 4 ohm voice coil

Hifonics ZRX15SQD2

15" Dual 2 ohm Zeus Series Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

15" Dual 2 ohm Zeus Series Car Subwoofer

15" Zeus Series Car Subwoofer • Dual 2 ohm Voice Coil • 1000W Max • 500W RMS • Polypropylene Cone • High Excursion Rubber Surround • Nomex Spider • 2" High Temp Voice Coil

15" Zeus Series Car Subwoofer • Dual 2 ohm Voice Coil • 1000W Max • 500W RMS • Polypropylene Cone • High Excursion Rubber Surround • Nomex Spider • 2" High Temp Voice Coil

Hifonics B15D2

15" Dual 2 ohm Brutus Series Subwoofer

Go to item page Right Arrow Icon of Right Arrow

15" Dual 2 ohm Brutus Series Subwoofer

15" Dual 2 ohm Brutus Series Subwoofer • 1400W Max • 700W RMS • Polypropylene cone woofer • Stitched NBR (Nitrile-Butadiene Rubber) surround • 4-Layer high temperature 3" dual 2 ohm aluminum voice coil

15" Dual 2 ohm Brutus Series Subwoofer • 1400W Max • 700W RMS • Polypropylene cone woofer • Stitched NBR (Nitrile-Butadiene Rubber) surround • 4-Layer high temperature 3" dual 2 ohm aluminum voice coil

Hifonics XX-3215

15" Goliath Subwoofer

Go to item page Right Arrow Icon of Right Arrow

15" Goliath Subwoofer

15" Competition Goliath SPL Subwoofer • 3200W RMS • 6400W Peak • 2 ohm Dual Voice Coil • Triple Stacked 300 oz. motor structure with chrome vented wrap • Chrome aluminum die cast basket • Woven carbon fiber and silver thread glass fiber cone • foam surround

15" Competition Goliath SPL Subwoofer • 3200W RMS • 6400W Peak • 2 ohm Dual Voice Coil • Triple Stacked 300 oz. motor structure with chrome vented wrap • Chrome aluminum die cast basket • Woven carbon fiber and silver thread glass fiber cone • foam surround

Hifonics XX-1615

15" Goliath Subwoofer

Go to item page Right Arrow Icon of Right Arrow

15" Goliath Subwoofer

15" Competition Goliath SPL Subwoofer • 1600W RMS • 3200W Peak • 2 ohm Dual Voice Coil • Chrome aluminum die cast basket • Woven carbon fiber and silver thread glass fiber cone • foam surround

15" Competition Goliath SPL Subwoofer • 1600W RMS • 3200W Peak • 2 ohm Dual Voice Coil • Chrome aluminum die cast basket • Woven carbon fiber and silver thread glass fiber cone • foam surround

Hifonics B15D4

15" Dual 4 ohms Brutus Series Subwoofer

Go to item page Right Arrow Icon of Right Arrow

15" Dual 4 ohms Brutus Series Subwoofer

15" Dual 4 ohm Brutus Series Subwoofer • 1400W Max • 700W RMS • Polypropylene cone woofer • Stitched NBR (Nitrile-Butadiene Rubber) surround • 4-Layer high temperature 3" dual 4 ohm aluminum voice coil

15" Dual 4 ohm Brutus Series Subwoofer • 1400W Max • 700W RMS • Polypropylene cone woofer • Stitched NBR (Nitrile-Butadiene Rubber) surround • 4-Layer high temperature 3" dual 4 ohm aluminum voice coil

    Clear all

    Hifonics 15" Car Subwoofers Information

    Hifonics carries a range of 15" car subwoofers for the bass you've been looking for. Hifonics engineers competition grade subwoofers that will both satisfy and last. Great for subwoofer boxes and other installations, these 15" Hifonics subs are an easy choice.
    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

    2008 Lexus IS250

    2017 Dodge Ram ProMaster 2500

    2023 Audi Q7

    2013 Ram 3500

    2012 Audi S5

    2015 Honda Pilot

    2010 Subaru Forester

    1999 Mercury Tracer

    2013 Volvo C70

    2015 Ford Transit Connect

    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 page 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.