vented or sealed cabinet?

I believe it can be used either way.

will these fit in pioneer cs g403 16 in woofer spot?

Since this speaker is a inch smaller in diameter than yours and if you can't find a 16" speaker you'll probably have to fabricate a plastic, metal, or wooden ring with a 15" opening and the outermost diameter fitting in the recessed opening or perhaps 17" in diameter to allow you to screw or glue it on top of the opening of your speaker cabinet.

what is the hole to hole mounting diameter? thank you

The measurement from the center of the hole diagonally to the center of the hole is 14.5"

is this a suitable woofer for a bass guitar amplifier?

I replaced the woofer in my Leslie 723 organ speaker. It plays with a Hammond Colonnade organ and the bass sounds very good. A guitar, however, may not be suitable for a four ohm speaker.

Goldwood Sound Gw 15pc 8 Heavy Duty 8ohm 15 Woofer

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎵 Elevate your sound game with pro-grade power and precision!

BUILT TO LAST - Heavy-duty 4-layer aluminum voice coil and 75oz magnet for unmatched durability.
POWERHOUSE PERFORMANCE - Delivers a robust 550 watts max output for crystal-clear, room-filling sound.
PRECISION AUDIO CLARITY - 95dB sensitivity ensures your beats hit hard and vocals stay crisp.
VERSATILE PRO GRADE DESIGN - Perfect fit for DJ setups, live sound, studio monitors, and home audio systems.
AMERICAN ENGINEERED EXCELLENCE - Designed and engineered in the USA for premium quality and reliability.

The Goldwood Sound GW-15PC-8 is a heavy-duty 15-inch subwoofer engineered in the USA, boasting 275 watts RMS and 550 watts max power. Featuring a 4-layer aluminum voice coil, 75oz magnet, and poly-mica cone, it delivers high sensitivity (95dB) and a wide frequency response (25-2100Hz). Ideal for professional DJ, PA, live sound, and home audio applications, this durable speaker ensures premium sound clarity and reliability.

Specifications

ASIN	B0002ZPSFK
Antenna Location	Pro DJ speakers, pro PA speakers, pro karaoke speakers, live sound speakers, fixed installation speakers, studio monitors and home audio speakers
Audio Driver Size	15 inches
Audio Driver Type	Dynamic Driver
Audio Output Mode	Surround
Best Sellers Rank	#116,709 in Musical Instruments ( See Top 100 in Musical Instruments ) #196 in Stage Subwoofers #1,986 in Car Component Subwoofers
Brand	Goldwood Sound, Inc.
Built-In Media	woofer
Color	Black
Compatible Devices	Smartphone, Tablet, MP3 Player, Desktop, Television, Projector, Laptop
Compatible with Vehicle Type	Car
Connectivity Technology	Raw Wire
Control Method	Voice
Controller Type	Voice Control
Customer Package Type	FFP
Customer Reviews	4.1 out of 5 stars 37 Reviews
Enclosure Material	Aluminum, Poly-Mica
Frequency Response	2100 hertz
Impedance	8 ohm
Item Dimensions D x W x H	15.31"D x 15.31"W x 6.61"H
Item Type Name	Heavy Duty 8ohm 15" Woofer 550 Watts Replacement Speaker
Manufacturer	Goldwood Sound, Inc.
Maximum Range	30 meters
Model Name	Heavy Duty 8ohm 15" Woofer 550 Watts Replacement Speaker
Model Number	GW-15PC-8
Mounting Type	Flush Mount
Number of Audio Channels	1
Number of Items	1
Power Source	Corded Electric
Speaker Maximum Output Power	550 watts
Speaker Size	15 inches
Speaker Type	Subwoofer
Specific Uses For Product	Pro audio systems, live sound, fixed installations, studio monitors, and home audio
Subwoofer Connectivity Technology	Wired
Subwoofer Diameter	15 inches
Tweeter Diameter	1 inches
UPC	643420100242
Unit Count	1 Count
Warranty Type	limited warranty or full warranty
Water Resistance Level	Not Water Resistant
Woofer Diameter	15 inches

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