We may earn a small commission on purchases made through our links.

Home
›
Electronics
›
Car & Vehicle Electronics
›
Car Electronics
›
Car Audio
›
Subwoofers
›
Subwoofer Boxes & Enclosures
›
30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Black, 15")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Black, 15")

Generic

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Black, 15")

✅ In stock ⭐ Lowest price we've tracked

D

Grade

😐 Weak Deal

44.49/100

Current Price

$325.00

Listed $2,199.00

Save $1,874.00 85% OFF

Analysis Confidence 90%

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

Check Deal at Amazon

Price verified Sep 2, 2026 7:04 PM · Prices & availability subject to change

Is This a Good Price on Amazon?

😐 Weak Deal

😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
💰The price is modestly below what this product ordinarily sells for.
🏷️The retail sticker price has been slashed by 85% — a steep markdown from the official listing.
📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 2.53/28

Recent Value 2.84/22

Market Standing 15.12/20

Deal Strength 20/20

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

Model Name

Ground Shaker 15"

Speaker Type

Subwoofer

Recommended Uses For Product

For Music Players

Unit Count

1.0 Count

Color

BLACK

Included Components

TERMINALS

Is Waterproof

false

Number of Items

1

Wireless Communication Technology

No Wireless Communication Technology

Related Products

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Goku Yellow, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Goku Yellow, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Gorilla White, 15")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Gorilla White, 15")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Black, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Black, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Gorilla White, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Gorilla White, 10")

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

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

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

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

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Black, 8")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Black, 8")

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

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

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Biohazard, 8")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Biohazard, 8")

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")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Goku Yellow, 15")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Goku Yellow, 15")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Caution Yellow, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Caution Yellow, 10")

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

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

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

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

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Black, 15")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Black, 15")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Biohazard, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Biohazard, 10")

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

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

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Skull Yellow, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Skull Yellow, 10")

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

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

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

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

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Biohazard, 15")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Biohazard, 15")

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Caution White, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Caution White, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Caution Blue, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Caution Blue, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Caution Green, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Caution Green, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Caution RED, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Caution RED, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Caution Orange, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Caution Orange, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Caution Pink, 10")

30HZ Reinforced Competition Single Ported Sub Box Sub Woofer Enclosure Speaker Box Car Audio Subwoofer Ground Shaker Box Ground-Shaker (Caution Pink, 10")

D

$325.00