Package Included

• Phoenix Gold ZDBMW4CX 4” (100mm) 2-Way Coaxial Speaker Kit For BMW
• Stinger RKXSK Expert Sound Proofing Deadening Material 2 Sheet Speaker Kit

ZDBMW4CX

The Phoenix Gold ZDBMW4CX is a 4-inch 2-way coaxial speaker system designed specifically for BMW vehicles, featuring an aluminum cone for clear midbass and midrange, a silk dome tweeter for smooth high frequencies, and a dual aluminum mounting bracket for a secure fit across multiple BMW configurations. The speakers have a frequency response of 120Hz to 20kHz, power handling of 60W RMS (120W max), 4Ω impedance, and come with mounting brackets, speaker foam, screws.

The ZDBMW4CX is a Speaker System Engineered Specifically For BMW Vehicles.

Experience premium sound quality and seamless installation with the Phoenix Gold ZDBMW4CX, a plug-and-play speaker system engineered specifically for BMW vehicles. Designed with sound performance and installation versatility in mind, this kit redefines what a simple upgrade can do.

Engineered for Clarity and Control

The 4” coaxial speaker features an aluminium cone for tight, punchy midbass and clear midrange tone reproduction – perfectly suited to bring vocals and instruments to life with accuracy and fun energy.

Mounted at the centre, the sild dome tweeter delivers soft, smooth high frequencies, adding refined detail and a natural top end without harshness.

Precision Engineering Meets Plug & Play Simplicity

The ZDBMW4CX features a dual aluminium mounting bracket system, built for maximum rigidity and zero unwanted vibrations. Its innovative design ensures a perfect fit across multiple BMW configurations, regardless of which of the two OEM brackets your vehicle uses.

Specifications

• 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

T/S Parameters

• Re: 3.2 Ohm
• Fs: 117 Hz
• Qms: 3.768
• Qes: 1.172
• Qts: 0.894
• Cms: 424.096 μM/N
• Vas: 1.68 L
• BL: 2.86 N/A
• Sd: 52.8 cm²
• Mms: 4.332 g
• No: 0.22 %

Included in the Box

• 2x 4” Speakers
• 4x BMW Mounting Brackets (2 of each)
• 6x Speaker Foam
• 8x Screws
• 1x Manual

Stinger RKXSK Expert Sound Proofing Deadening Material 2 Sheet Speaker Kit

• Expert level sound dampening
• Aluminum outer layer
• Self adhesive
• Easy installation
• Use on all metal panels, doors, roof, floor, firewall & trunk
• Kills panel resonance, squeaks and rattles
• Highest damping vs. weight ratio of any material available
• Improves overall audio frequency response and bass output
• Speaker kit

Expert RoadKill Published Specifications

• Minimum Thickness 0.080in
• Minimum Weight 0.65bs/ft2
• Aluminum Layer- 6 mils

Note: This item/pack is sold as a pair and contains 2 speakers.