---
product_id: 89588427
title: "12\" Subwoofer Speaker Spacer Depth Extender Extending Ring - 1/2\" Thick - ID: 11 1/8\" OD: 12 7/8\" - SSK12K - Stackable - Perfect for Framing Fiberglass Enclosures"
brand: "mjm car speaker adapters"
price: "£33.18"
currency: GBP
in_stock: true
reviews_count: 1
category: "Mjm Car Speaker Adapters"
url: https://www.desertcart.co.uk/products/89588427-12-subwoofer-speaker-spacer-depth-extender-extending-ring-1-2
store_origin: GB
region: United Kingdom
---

# 0.5 inch spacer thickness Stackable for custom depth Durable PVC build 12" Subwoofer Speaker Spacer Depth Extender Extending Ring - 1/2" Thick - ID: 11 1/8" OD: 12 7/8" - SSK12K - Stackable - Perfect for Framing Fiberglass Enclosures

**Brand:** mjm car speaker adapters
**Price:** £33.18
**Availability:** ✅ In Stock

## Summary

> 🔊 Elevate your bass game with precision spacing!

## Quick Answers

- **What is this?** 12" Subwoofer Speaker Spacer Depth Extender Extending Ring - 1/2" Thick - ID: 11 1/8" OD: 12 7/8" - SSK12K - Stackable - Perfect for Framing Fiberglass Enclosures by mjm car speaker adapters
- **How much does it cost?** £33.18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/89588427-12-subwoofer-speaker-spacer-depth-extender-extending-ring-1-2)

## Best For

- mjm car speaker adapters enthusiasts

## Why This Product

- Trusted mjm car speaker adapters brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Modular Stackability:** Stack multiple spacers to customize enclosure depth effortlessly
- • **Rugged PVC Durability:** Built tough to withstand installation stress and last long
- • **Seamless Installation:** Simplifies mounting deeper speakers without compromising sound
- • **Precision Depth Control:** Add exactly 1/2 inch of extra space for perfect speaker fit
- • **Ideal for Fiberglass Enclosures:** Designed to frame and secure 12" subwoofers flawlessly

## Overview

This 12" Subwoofer Speaker Spacer Extender adds a precise 1/2" depth to your speaker installation, crafted from durable PVC for long-lasting support. Its stackable design allows customizable depth clearance, making it perfect for framing fiberglass enclosures and ensuring a secure, professional fit for deeper subwoofers.

## Description

Buy 12" Subwoofer Speaker Spacer Depth Extender Extending Ring - 1/2" Thick - ID: 11 1/8" OD: 12 7/8" - SSK12K - Stackable - Perfect for Framing Fiberglass Enclosures: Subwoofer Boxes & Enclosures - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: SOLID! - Needed exactly 1/2" spacer to clear an opening in a custom enclosure. Saved the need to remove panels and heavy ass box from a jeep. Made solid, I have bought other adapters from same company in the past,

## Features

- Allows for extra depth spacing to install deeper speakers
- PVC construction is tough as nails
- Stack 2 or more spacers for more depth clearance

## Images

![12" Subwoofer Speaker Spacer Depth Extender Extending Ring - 1/2" Thick - ID: 11 1/8" OD: 12 7/8" - SSK12K - Stackable - Perfect for Framing Fiberglass Enclosures - Image 1](https://m.media-amazon.com/images/I/51H0Ugz-DTL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ SOLID!
*by J***N on September 21, 2025*

Needed exactly 1/2" spacer to clear an opening in a custom enclosure. Saved the need to remove panels and heavy ass box from a jeep. Made solid, I have bought other adapters from same company in the past,

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.uk/products/89588427-12-subwoofer-speaker-spacer-depth-extender-extending-ring-1-2](https://www.desertcart.co.uk/products/89588427-12-subwoofer-speaker-spacer-depth-extender-extending-ring-1-2)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-16*