I need speakers for a 1997 crown Victoria front and back

I recommend getting some speakers

Are they like a box to make bass better?

I do feel like the bass is more solid and better and eliminates the "boxy" sound that the door enclosure normally produces. I think it eliminates undesirable resonances that distord the clarity of the sound. If I had to chose, I would install them again. One warning, they come in different sizes and you may need to cut them to fit your door cavity. When I cut the first baffle, it was a bit lose and then it produced an undesired vibration between the plastic of the cavity and the foam baffle where they were both surfaces were barely touching. To correct this, I cut the next baffles in a way that they fitted tighter in the cavity and eliminated the noise produced by the vibration.

In some vehicles where the speakers mount on a middle steel panel and the whole shebang is then pressed against a speaker grill molded into the inner upholstered door panel, check the clearance carefully, as it varies a lot and this little thing can add enough to make a firm panel fitment a bit difficult at that corner. You can always trim the plastic grille area. This is rare, but might be important.

Would I / should I use these if I am mounting the speakers in individual cans?

I've noticed less pronounced lower frequencies, which is ok for me in trade-off as I use it to combat damging effects of water leakage from a bad window seal. If by 'can' you mean a designated enclosure; I would skip this and line with polyfill if anything. In a bare door cavity you should expect achieve cancellation of the reverb from highs and mids bouncing off metal. These are essentially 'individual cans'.

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DEI 050310 Boom Mat Speaker Baffles, 4" Round (Pack of 2)

Product ID: 14018226

Details

Audio Output Mode
Default
Brand
Design
Connectivity Technology
Bluetooth
Mounting Type
Door Mount
Speaker Maximum Output Power
100 watts

🔊4" speaker size for precise fit

🧩Thin, flexible design for seamless installation

🛡️Closed-cell polyethylene for moisture & vibration protection

€ 51.84

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Description

🔊 Elevate your ride’s sound game with pro-grade speaker baffles!

EFFORTLESS INSTALLATION - Easily conforms to tight door spaces for a clean, factory-quality setup.
MOISTURE RESISTANT SHIELD - Forms a water-tight barrier protecting speakers from damage and extending lifespan.
SLEEK SPACE SAVVY DESIGN - Ultra-thin material ensures a flush, professional finish without bulk.
VIBRATION NOISE DAMPENING - Reduces panel-to-frame reverberation and road noise for immersive sound.
CRYSTAL CLEAR SOUND ISOLATION - Closed-cell polyethylene enhances frequency response, delivering pristine audio clarity.

Design Engineering DEI 050310 Boom Mat Speaker Baffles are precision-engineered 4" round polyethylene shields that optimize car speaker performance by isolating frequencies, dampening vibrations, and protecting against moisture. Their slim, flexible design ensures a sleek installation that enhances sound clarity and extends speaker life, making them a must-have upgrade for any serious car audio enthusiast.

Specifications

ASIN	B0039Z3SO8
Additional Features	Water-tight protective shell, Vibration dampening, Speaker performance enhancement
Age Range Description	Adult
Antenna Location	Damping,Moisturizing
Audio Driver Size	10 centimeters
Audio Driver Type	Dynamic Driver
Audio Output Mode	Default
Best Sellers Rank	#64,061 in Electronics ( See Top 100 in Electronics ) #191 in Audio & Video Speaker Accessories
Brand	Design Engineering
Built-In Media	Heat Shields
Color	Black
Compatible Devices	Smartphone, Tablet, MP3 Player
Compatible with Vehicle Type	Car
Connectivity Protocol	Bluetooth
Connectivity Technology	Bluetooth
Control Method	Touch
Controller Type	Remote Control
Customer Package Type	Standard Packaging
Customer Reviews	4.4 4.4 out of 5 stars (3,379)
Enclosure Material	Polyethylene
Global Trade Identification Number	00607078503107
Is Waterproof	FALSE
Item Type Name	Heat Shields
Item Weight	18.14 g
Manufacturer	DEI
Model Name	Design Engineering 50310
Model Number	50310
Mounting Type	Door Mount
Number of Audio Channels	2
Number of Items	1
Number of Power Levels	1
Power Source	Corded Electric
Series Number	50310
Speaker Maximum Output Power	100 watts
Speaker Size	4 inches
Speaker Type	Coaxial
Specific Uses For Product	Car audio systems, Vehicle sound insulation, Noise reduction, Speaker protection
Subwoofer Diameter	4 inches
Tweeter Diameter	1 inches
UPC	607078503107
Unit Count	2 Count
Warranty Description	Manufacturer Warranty
Water Resistance Level	Water Resistant
Wireless Technology	Bluetooth
Woofer Diameter	4 inches

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€ 51.84

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Italy.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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