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30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Black, 12")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Black, 12")

Generic

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Black, 12")

✅ In stock

F

Grade

💤 Not a Deal

19.37/100

Current Price

$285.00

Listed $999.00

Save $714.00 71% OFF

Analysis Confidence 90%

⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.

Check Deal at Amazon

Price verified Sep 4, 2026 4:43 AM · Prices & availability subject to change

Is This a Good Price on Amazon?

💤 Not a Deal

💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
💰The current price sits right around what this item typically fetches.
🏷️The retail sticker price has been slashed by 71% — a steep markdown from the official listing.
📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 1.14/28

Recent Value 1.8/22

Market Standing 7.43/20

Deal Strength 5/20

Momentum 4/10

📝 Product Overview

🏪 Sold by Ground-Shaker

🚚 Shipping Free Shipping

Product Details

✓NOT ALL SUBS WILL FIT DUE TO THE CUTOUT DIAMETER OR MOUNTING DEPTH SO PLEASE CHECK THE DIMENSIONS TO MAKE SURE THIS BOX SUITS YOUR SUBS

⚙️ Specifications

Brand

Generic

Mounting Type

Tabletop Mount

Speaker Type

Subwoofer

Recommended Uses For Product

For Vehicle Audio Systems

Unit Count

1.0 Count

Color

BLACK

Included Components

TERMINALS

Is Waterproof

False

Warranty Type

Limited

Number of Items

1

Speaker Size

12 inches

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F

$285.00