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ZDBMW4CX 120W 2-Way Coaxial Speakers for BMW
A direct-fit speaker upgrade for BMW owners who want better sound without complex installation. The Phoenix Gold ZDBMW4CX uses an aluminum cone for clear midbass and midrange, paired with a silk dome tweeter for smooth highs. A dual aluminum mounting bracket ensures a secure fit across multiple BMW configurations. Rated at 60W RMS (120W max) with 4Ω impedance and a frequency response of 120Hz to 20kHz. Everything needed to fit is included in the box.
- Speaker type: 4-inch 2-way coaxial
- Power handling: 60W RMS / 120W max
- Impedance: 4Ω
- Frequency response: 120Hz to 20kHz
- Cone material: Aluminum
- Tweeter: Silk dome
- Mounting: Dual aluminum bracket
- Includes: Mounting brackets, speaker foam and screws
Explore the full range in Phoenix Gold.
Specification
| Speaker Type | 2-Way Coaxial |
|---|---|
| Speaker Size | 4” (100mm) |
| Frequency Response | 120Hz – 20kHz |
| Power Handling | (RMS) 60W |
| Power Handling | (MAX) 120W |
| Impedance | 4Ω |
| Sensitivity | 86.0dB (1W/1m) |
| Voice Coil | 1” (25.5mm) |
| Unit | Sold as pairs |
What's Included
- 2x 4” Speakers
- 4x BMW Mounting Brackets (2 of each)
- 6x Speaker Foam
- 8x Screws
- 1x Manual
Phoenix Gold
About the Phoenix Gold ZDBMW4CX
From our tech experts at CEN
A vehicle-specific Phoenix Gold speaker upgrade for the BMW, made to fit the factory locations and connectors without cutting or adapter rings, rated at 60w RMS.
Who it suits
BMW owners replacing speakers that were built to a price when the car was made. Plug-and-play kits keep the work reversible, which matters on a lease or a car you intend to sell on.
Our tech experts advise
Fitment varies by model year, trim and which factory audio system the car left with, so we confirm against your exact vehicle before ordering. An amplifier will get considerably more from them. 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 Phoenix Gold range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Phoenix Gold
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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.
