Sundown Audio NSv4 Subwoofer Recone Kit (Stock) – Drop-In Factory Replacement

Restore Your Sundown Audio NSv4 Subwoofer

The Sundown Audio NSv4 Subwoofer Recone Kit (Stock) is the official factory drop-in recone designed exclusively for NSv4 subwoofers. Built to strict OEM specifications, this recone kit provides the perfect replacement to restore your blown or damaged NSv4 to original factory performance—no modifications required.

Whether you’re a DIY enthusiast or a professional installer, this stock recone kit makes rebuilding your NSv4 simple, precise, and dependable, so you can get back to producing extreme bass with confidence.

Key Features

• OEM drop-in fit for Sundown Audio NSv4 subwoofers

• Compatible only with stock NSv4 models

• Includes recone assembly and matching dustcap (glue sold separately)

• Factory-spec rebuild — no modifications required

• 18" kits include a plastic spider spacer frame adapter

Build Time

Each recone kit is built to order. Standard processing time is 2–3 business days, but depending on inventory and demand, it may take up to 10 business days.

What’s Included

• Precision-cut NSv4 recone assembly

• Matching dustcap for a factory appearance

• Glue not included (see recone glue kits)

Recone Accessories Available

Complete your rebuild with our full line of recone accessories, including:

• Recone glue kits

• Shims

• Speaker terminals

• Gaskets

• Dust caps

• Adapters

• Baskets

• Dust cap weights

• Lazy susans

Upgrade Options

Looking for more than stock performance? Read our Sundown Audio Recone Upgrade Blog or explore the Sundown NSv4 Custom Recone Kit for SPL- or SQ-focused upgrades.

Important Information

• No refunds or exchanges on stock recone kits

• Verify your subwoofer model, version, and impedance before ordering

• Due to part shortages, some orders may take longer than normal to process

Bring your NSv4 back to life with the Sundown Audio NSv4 Stock Recone Kit—the easiest way to restore factory performance, durability, and reliability.