


Edge 12 Inch Active Bass Box Sub Subwoofer Ported Enclosure EDB12A 300w RMS
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EDB12A-E0
12 Inch Active Enclosure
EDGE EDB12A-E0 12" V2 ACTIVE SUBWOOFER
The Edge EDB12A-E0 is a 12 inch active subwoofer in a ported enclosure. It has a matched Edge amplifier built in, so you get deep bass straight out of the box with no extra hardware needed.
- 300w RMS output
- 12 inch subwoofer driver
- Ported enclosure design
- Built-in Edge amplifier
- High quality enclosure finish
- Plug-and-play active setup — no separate amp required
Explore the full range in Edge.
Specification
| Size | 12 Inch |
|---|---|
| RMS Power | 300w |
| Shape | Square |
| Voice Coil | Single |
| Type | Active Enclosure |
| Series | EDB |
| Article Number | EDB12A-E0 |
| Country of Manufacture | China |
More specs
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What's Included
- Edge EDB12A-E0
- Manual
- Edge sticker
- Warranty card and manual
Edge
About the Edge EDB12A-E0
From our tech experts at CEN
An Edge 12 inch subwoofer in an active ported bass box, with the amplifier built in, 300w RMS.
Who it suits
Drivers who want bass without building a system around it. An active box means one unit, one power feed and no separate amplifier to hide.
Our tech experts advise
It still needs a fused feed from the battery and a signal source. Secure the enclosure properly: an unrestrained box is dangerous in a crash. Installation is priced per vehicle, so get in touch with your make, model and year and we will confirm what it needs. See car audio installation.
Explore the full Edge range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Edge
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Frequently Asked Questions
Q: Do I need an amplifier for this subwoofer?
A: Yes, unless it is an active (powered) subwoofer with a built-in amplifier. Passive subwoofers need an external amplifier matched to the RMS power and impedance shown in the Specification tab.
Q: What size enclosure does this subwoofer need?
A: The recommended enclosure volume is listed in the Specification tab where the manufacturer provides it. As a rule, sealed enclosures give tighter, more accurate bass while ported enclosures deliver more output. Contact CEN if you would like a recommendation for your build.
Q: What does RMS power mean?
A: RMS is the continuous power a subwoofer can handle, and it is the number that matters when matching an amplifier. Peak or max figures describe short bursts only. Match your amplifier output to the RMS rating in the Specification tab.
Q: Sealed or ported enclosure - which should I choose?
A: Sealed boxes are compact and produce tight, controlled bass suited to sound quality builds. Ported boxes are larger and produce more output at low frequencies, suited to those who want maximum impact. Either works well when built to the recommended volume.
Q: Can CEN build or supply an enclosure and fit everything?
A: Yes. CEN supplies enclosures and offers professional installation from our Nottingham premises, including amplifier wiring. Contact us to discuss your build.




































