Garage
Shop
Loading...
Filters
filter-icon Filters & Sort
Limited time!

MTX Audio THUNDER51

360W Peak (180W RMS) 5.25" Thunder Series 2-way 4-ohm Component Speakers System

THUNDER51 big
Go to item page Right Arrow Icon of Right Arrow

360W Peak (180W RMS) 5.25" Thunder Series 2-way 4-ohm Component Speakers System

• 180 watts Peak Each, 90 watts RMS Each
• 1" Silk Soft Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

1+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $20.00 in rewards to spend later

install icon

Save $23 on install kits for this speaker

found car based on your search
Fits multiple locations in your Echo
9
List price $239.95
Save $39.99
-17% $199.96 /set

In stock

Continue to cart

Available Offers (2) for MTX Audio THUNDER51
Offer image
Flash Sale! Save at Checkout!
List price $239.95
-17% $199.96
$169.97 with coupon | Price details
Free Speaker Accessory at Checkout!
Limited time!

JBL Stage3 527 (STAGE3527AM)

400W Peak (80W RMS) 5.25” Stage3 Series 2 Way Coaxial 3-ohm Speakers

Stage3 527 big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (80W RMS) 5.25” Stage3 Series 2 Way Coaxial 3-ohm Speakers

• 200 watts Peak Each, 40 watts RMS Each
• Polypropylene cone material with Plus One woofer architecture
• Impedance: 3 ohm
• Sensitivity: 91 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for this speaker

found car based on your search
Fits multiple locations in your Echo
2
List price $109.95
Save $40.00
-36% $69.95 /pair

In stock

Crunch CS65CXS

600W Peak (120W RMS) 6.5" CS Series 2-Way Coaxial 4-ohm Speakers

CS65CXS big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (120W RMS) 6.5" CS Series 2-Way Coaxial 4-ohm Speakers

• 300 watts Peak Each, 60 watts RMS Each
• 1" Neo-Mylar Soft Dome tweeters
• Alpha-Cellulose cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $6 on install kits for this speaker

found car based on your search
Fits multiple locations in your Echo
8
List price $32.99
-9% $29.99 /pair

In stock

MTX TERMINATOR6

180W Peak (90W RMS) 6.5" Terminator Series 2 Way Coaxial 4-ohm Speakers

TERMINATOR6 big
Go to item page Right Arrow Icon of Right Arrow

180W Peak (90W RMS) 6.5" Terminator Series 2 Way Coaxial 4-ohm Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.8 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $14 on install kits for this speaker

found car based on your search
Fits multiple locations in your Echo
2
List price $69.95
-14% $59.95 /pair

In stock

JVC CS-DR1721

600W Peak (100W RMS) 6.75" DRVN DR Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

CS-DR1721 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (100W RMS) 6.75" DRVN DR Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

• 300 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Drive tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

1+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $9.90 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Echo
4
List price $119.00
-17% $99.00 /pair

In stock

Continue to cart

Available Offers (2) for JVC CS-DR1721
Offer image
Flash Sale! Save at Checkout!
List price $119.00
-17% $99.00
$79.20 with coupon | Price details
Free Speaker Accessory at Checkout!
Limited time!

Massive Audio FC6X

300W Peak (150W RMS) 6.5" FC Series Coaxial 4-ohm Speakers

FC6X big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6.5" FC Series Coaxial 4-ohm Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 13/16" Silk Dome Tweeters
• Fiber Paper cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for this speaker

found car based on your search
Fits multiple locations in your Echo
List price $234.99
-64% $84.99 /pair

In stock

Only 3 Left!

Limited time!

Cerwin-Vega V65

720W Peak (240W RMS) 6.5" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

V65 big
Go to item page Right Arrow Icon of Right Arrow

720W Peak (240W RMS) 6.5" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

• 360 watts Peak Each, 120 watts RMS Each
• 3/4" Silk Balanced Dome Tweeters
• Carbon Fiber Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Echo
31
$149.99 /pair

In stock

Only 2 Left!

Limited time!

Kicker PS44 (40PS44)

200W Peak (100W RMS) 4" PS Series 2 Way Coaxial 4-ohm Powersports and Motorcycle Speakers

40PS44 big
Go to item page Right Arrow Icon of Right Arrow

200W Peak (100W RMS) 4" PS Series 2 Way Coaxial 4-ohm Powersports and Motorcycle Speakers

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" Titanium Dome tweeters
• Protective speaker grilles included
• Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 85.8 dB
• Mounting Depth: 1-11/16"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your Echo
  • Dash Corner
List price $149.99
Save $46.03
-31% $103.96 /pair

In stock

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" Titanium Dome tweeters
• Protective speaker grilles included
• Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 85.8 dB
• Mounting Depth: 1-11/16"

Limited time!

DS18 DX2

800W Peak (400W RMS) 6.5” DX Series 2-way 4-ohm Component Speaker System

DX2 big
Go to item page Right Arrow Icon of Right Arrow

800W Peak (400W RMS) 6.5” DX Series 2-way 4-ohm Component Speaker System

• 400 watts Peak Each, 200 watts RMS Each
• 1.18" Silk Dome tweeters with neodymium magnets
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Free Baffles with Select Speakers Shop deal
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $25.50 in rewards to spend later

install icon

Save $18 on install kits for this speaker

found car based on your search
Fits multiple locations in your Echo
1
List price $399.95
Save $144.99
-36% $254.96 /set

In stock

Only 1 Left!

Limited time!

Pioneer TS-A653CH

740W Peak (170W RMS) 6.5" A-Series 2 Way Component 4-ohm Speakers

Go to item page Right Arrow Icon of Right Arrow

740W Peak (170W RMS) 6.5" A-Series 2 Way Component 4-ohm Speakers

• 370 watts Peak Each, 85 watts RMS Each
• 3/4" PEI (Polyetherimide) Hard Dome tweeters
• Aramid fiber reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Free Speaker Accessory at Checkout!
VIP Star Icon

VIP Product Get $15.00 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Echo
List price $180.00
-17% $149.99 /set

• 370 watts Peak Each, 85 watts RMS Each
• 3/4" PEI (Polyetherimide) Hard Dome tweeters
• Aramid fiber reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Limited time!

Sundown Audio E65CS

100W RMS 6.5" E Series Component 4-ohm Speakers (E6.5CS)

E6.5CS big
Go to item page Right Arrow Icon of Right Arrow

100W RMS 6.5" E Series Component 4-ohm Speakers (E6.5CS)

• 100 watts RMS Each
• Titanium Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for most vehicles

found car based on your search
Fits multiple locations in your Echo
List price $239.99
Save $90.00
-38% $149.99 /set

In stock

Only 1 Left!

Limited time!

Hertz MPX 165.3

400W Peak (200W RMS) 6.5" Mille Pro Series 2-Way Pro Audio Coaxial 4-ohm Speakers

MPX 165.3 big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (200W RMS) 6.5" Mille Pro Series 2-Way Pro Audio Coaxial 4-ohm Speakers

• 200 watts Peak Each, 100 watts RMS Each
• 1" Tetolon Soft Dome Tweeters
• Pressed Pulp with Cotton Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Free Speaker Accessory Kit at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $45.00 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Echo
3
List price $470.00
$449.99 /pair

In stock

JVC CS-DR521

520W Peak (80W RMS) 5.25'' DRVN DR Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

CS-DR521 big
Go to item page Right Arrow Icon of Right Arrow

520W Peak (80W RMS) 5.25'' DRVN DR Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

• 260 watts Peak Each, 40 watts RMS Each
• 1" Polyetherimide Balanced Dome tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

1+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $9.90 in rewards to spend later

install icon

Save $20 on install kits for this speaker

found car based on your search
Fits multiple locations in your Echo
List price $119.00
-17% $99.00 /pair

In stock

Only 2 Left!

Continue to cart

Available Offers (2) for JVC CS-DR521
Offer image
Flash Sale! Save at Checkout!
List price $119.00
-17% $99.00
$79.20 with coupon | Price details
Free Speaker Accessory at Checkout!
Limited time!

Kicker PSC652 (51PSC652)

240W Peak (120W RMS) 6.5" PS Series 2 Way Coaxial 2-ohm Marine and Powersports Speakers

51PSC652 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 6.5" PS Series 2 Way Coaxial 2-ohm Marine and Powersports Speakers

• 120 watts Peak Each, 60 watts RMS Each
• 3/4" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 92.5 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $9 on install kits for this speaker

found car based on your search
Fits multiple locations in your Echo
1
List price $219.99
Save $60.03
-27% $159.96 /pair

In stock

Only 2 Left!

Used from: $139.99
Lowest price in 30 days

Sundown Audio E-6.5CX

120W RMS 6.5" E Series Coaxial 4-ohm Speakers (S-E6.5CX)

S-E6.5CX big
Go to item page Right Arrow Icon of Right Arrow

120W RMS 6.5" E Series Coaxial 4-ohm Speakers (S-E6.5CX)

• 60 watts RMS Each
• Titanium Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for most vehicles

found car based on your search
Fits multiple locations in your Echo
List price $119.99
-33% $79.99 /pair

In stock

Limited time!

DS18 ZXI-654

480W Peak (160W RMS) 6.5" ZXI Series 2-way 4-ohm Coaxial Car Speakers

ZXI-654 big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (160W RMS) 6.5" ZXI Series 2-way 4-ohm Coaxial Car Speakers

• 240 watts Peak Each, 80 watts RMS Each
• 1" PEI (Polyetherimide) tweeters with neodymium magnets
• Glass Fiber cone material with KSV former
• Impedance: 4 ohm
• Sensitivity: 89 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $8 on install kits for this speaker

found car based on your search
Fits multiple locations in your Echo
List price $94.95
Save 15%
-15% $80.71 /pair

In stock

Only 3 Left!

Limited time!

AudioControl PNW-65

200W RMS 6.5" PNW Series 2-Way Coaxial 3-ohm Car Speakers

PNW-65 big
Go to item page Right Arrow Icon of Right Arrow

200W RMS 6.5" PNW Series 2-Way Coaxial 3-ohm Car Speakers

• 100 watts RMS Each
• 1" Hybrid Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.9 dB

Free Baffles with Select Speakers Shop deal
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $25.90 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Echo
3
List price $279.00
-7% $259.00 /pair

In stock

Precision Power MAS.65MR

300W RMS 6.5" Midrange 2-ohm Motorcycle Speakers

MAS.65MR big
Go to item page Right Arrow Icon of Right Arrow

300W RMS 6.5" Midrange 2-ohm Motorcycle Speakers

• Peak Each, 150 watts RMS Each
• Poly-Coated Paper cone material
• Impedance: 2 ohm
• Sensitivity: 95 dB

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

VIP Product Get $49.90 in rewards to spend later

install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Echo
List price $599.00
-17% $499.00 /pair

In stock

Only 2 Left!

• Peak Each, 150 watts RMS Each
• Poly-Coated Paper cone material
• Impedance: 2 ohm
• Sensitivity: 95 dB

Two Pairs of Rockford Fosgate R165X3

360W 6.5" 3-Way PRIME Series Coaxial Speakers w/ Silk Tweeters

R165X3 2 Pack big
Go to item page Right Arrow Icon of Right Arrow

360W 6.5" 3-Way PRIME Series Coaxial Speakers w/ Silk Tweeters

• Peak Power: 90w each
• RMS Power: 45w each
• 1/2" Silk Dome Piezo Tweeter
• Mounting Depth: 2-3/16"
• CEA-2031 Compliant Speakers
• 4 Ohm Impedance
• Sensitivity: 91dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Echo
159
$159.98

In stock

• Peak Power: 90w each
• RMS Power: 45w each
• 1/2" Silk Dome Piezo Tweeter
• Mounting Depth: 2-3/16"
• CEA-2031 Compliant Speakers
• 4 Ohm Impedance
• Sensitivity: 91dB

Limited time!

JBL STAGE3 GEN2 68CF (STAGE368CF)

1520W Peak (190W RMS) 6.5" Stage3 Gen2 Series 2-Way Component Speaker System

STAGE368CF big
Go to item page Right Arrow Icon of Right Arrow

1520W Peak (190W RMS) 6.5" Stage3 Gen2 Series 2-Way Component Speaker System

• 760 watts Peak Each, 95 watts RMS Each
• 3/4" Silk Edge Driven Dome Tweeters
• Plus One Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $27 on install kits for this speaker

found car based on your search
Fits multiple locations in your Echo
List price $129.95
-15% $109.95 /set

In stock

Only 1 Left!

Items per page: 20 40 60

    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 Speakers in 2004 Echo

    Q: Can I upgrade or change the Speakers in 2004 Toyota Echo?

    A: Yes this page includes all the best Speakers that work in your Echo.

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

    2004 Subaru Outback

    2004 Toyota Echo

    2005 Mazda MPV

    2003 Honda Element

    1979 Jaguar XJS

    2007 BMW 750i

    1999 Chevrolet Express 2500

    2005 Pontiac GTO

    Vehicle
    Store
    Delete

    2020 Harley Davidson FLHT Electra Glide Standard

    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.