bass tubes are always vented....not seen a sealed bass tube as yet.

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Alpine swt-12s4 12€œ (30cm) bass reflex subwoofer tube (4ohm)

Alpine swt-12s4 12€œ (30cm) bass reflex subwoofer tube (4ohm)

Q: How big of a amp can i use

You really want to use no more than 500 watts RMS (avoid all the peak recommendations) Alpine makes a 500x1 that is perfect.

Q: Is it Bluetooth capable?

No its not, this is just a speaker only, if you want to make this into a bluetooth capable device pair it with an amplifier that has bluetooth, this speaker can handle upto 1200 watts of power get an amp thats capable of driving the sub.

Q: What is the shell covered in? carpet?

black carpet similar to factory texture

Product ID: 283990264

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Details

Brand
Alpine
Speaker maximum output power
1000 Watts
Frequency response
28 Hz
Connectivity technology
Auxiliary RCA
Audio output mode
Stereo

🎯28-200Hz Frequency Response

📏12-inch High-Performance Driver

🔊1000W Peak Power

Frequently Bought Together

Alpine SWT-12S4 Car Speakers, Black

VIBE Audio Slick 2000 W System Car Wiring Kit

Alpine Electronics 4 Channel Amplifier

Description

🎵 Feel Every Beat, Own Every Drive

EFFORTLESS SETUP - Includes installation brackets and belts for quick, secure mounting—get your bass booming fast.
POWER THAT MOVES YOU - Unleash thunderous bass with 1000W peak and 300W RMS power for immersive sound.
SEAMLESS INTEGRATION - 4Ω impedance and 92dB sensitivity ensure compatibility and crisp output with your system.
BUILT TO LAST IMPRESS - Heavy-duty grill and Alpine’s signature stitched logo deliver durability with style.
PRECISION BASS ENGINEERING - 12-inch bass reflex subwoofer tuned for deep, punchy lows that command attention.

The Alpine SWT-12S4 is a 12-inch bass reflex subwoofer designed for automotive audio enthusiasts seeking powerful, precise bass. With a peak power of 1000W and RMS of 300W, it delivers deep, clear low frequencies from 28 to 200Hz. Its 4-ohm impedance and 92dB sensitivity ensure efficient performance, while durable construction and included mounting hardware make installation straightforward. Perfect for upgrading your car’s sound system with professional-grade bass impact.

Specifications

Mounting type	Tabletop
Material	Polycarbonate (PC)
Model name	SWT-12S4
Speaker type	Subwoofer
Special features	Für Auto
Recommended uses for product	For Music Players, For Surround Sound Systems
Compatible devices	Laptop, Smartphone, Tablet, Television
Subwoofer diameter	12 Inches
Surround sound channel configuration	1.0
Colour	Black
Included components	Alpine SWT-12S4 Subwoofer
Product dimensions	160D x 40W x 90H millimeters
Item weight	500 Grams
Is waterproof	false
Warranty type	Limited
Number of Items	1
Control method	Touch
Wireless communication technologies	Bluetooth
Speaker size	12 Inches
Power source	Corded Electric
Manufacturer	Alpine
Item model number	SWT-12S4
Manufacturer Part Number	SWT-12S4
Special Features	Für Auto
Wattage	1000 watts
Item Weight	500 g

Have a Question? See What Others Asked

Vented or sealed?

How big of a amp can i use

Is it Bluetooth capable?

What is the shell covered in? carpet?

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