will these fit a 2014 dodge ram front dash?

Check your owners manual to see what size speakers are installed originally but they fix my MR2 dash! Good luck

what is the outer dimension of the grill?

Check your owners manual or Cruchfield site for fitment

Will these work for the rear of my 2015 Honda GoldWing?

Use the db522 you might have to modify a little bit but they'll fit in

What size hole the a drill and how many W will each speaker handle

Thanks for your question. Cutout: 4.09 inches. Rated 45 watts continuous power, 135 watts peak. World Wide Stereo is 40 years old and a proud authorized Polk Audio dealer.

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DB402 DB+ Series 4" Coaxial Speakers with Marine Certification, Black

DB402 DB+ Series 4" Coaxial Speakers with Marine Certification, Black

Product ID: 255777518

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Details

Brand
Polk Audio
Speaker maximum output power
135 Watts
Frequency response
22 KHz
Connectivity technology
Coaxial
Audio output mode
Surround

💧IP55 marine-grade water & dirt resistance

🔊135W max output power

⚙️Simple drop-in installation

Description

💥 Elevate your ride’s soundtrack—wherever the road or waves take you!

COMPACT POWERHOUSE - 4-inch coaxial speakers delivering robust 135W output in a sleek, space-saving design.
SIGNATURE POLK SOUND - Experience crystal-clear, high-performance audio that outshines factory systems.
VERSATILE DROP IN FIT - Effortless installation in cars, boats, ATVs, or any ride—upgrade your sound in minutes.
UV WATERPROOF DESIGN - Polypropylene cones with waterproof surrounds ensure long-lasting, vibrant sound no matter the elements.
MARINE GRADE DURABILITY - IP55 certified to withstand water, dirt, salt-fog, UV rays, and humidity—built for any adventure.

The POLK AUDIO DB402 DB+ Series 4" Coaxial Speakers combine marine-certified durability with powerful 135W output, delivering premium sound quality in a compact, easy-to-install package. Designed to resist water, dirt, UV, and salt-fog, these speakers are perfect for cars, boats, and ATVs, ensuring your audio experience never misses a beat—rain or shine.

Specifications

Compatible devices	Laptop, Personal Computer, Smartphone
Subwoofer diameter	4 Inches
Mounting type	drop in
Surround sound channel configuration	2.0
Colour	Black
Included components	Polk Audio Speaker \| DB402 DB+ Series 4” Coaxial Speakers with Marine Certification
Speaker maximum output power	135 Watts
Item weight	2.5 Pounds
Is waterproof	True
Number of Items	2
Product Dimensions	30.23 x 29.97 x 30.48 cm; 1.13 kg
Item model number	AA9402
Display size	2 inches
Other display features	Wireless
Color	Black
Item Weight	1.13 Kilograms

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