6.5ft Shallow Coaxial Car Speaker Bundle - Slim, Loud Clarity

In this review of the 6CX380-4 SLIM bundle the bottom line is simple: installers and car audio enthusiasts who need pro-level sound in tight spaces will appreciate these speakers. The reviewer found the slim 2-way coaxial design delivers unusually clear highs and strong mid response for a 6.5' shallow driver, and the built-in tweeter with inline capacitor keeps the treble controlled without separate crossovers. If you need loud, articulate vocals and music where conventional deep drivers will not fit, this pair is worth considering.

Key Features

• Slim design: The shallow mounting depth fits where conventional drivers cannot, making these speakers ideal for tight door pockets and compact installs.
• Built-in tweeter: A super tweeter blended with the midrange provides clearer high frequencies without adding external components.
• 380 Watts handling: High power music handling gives headroom for louder playback and transient detail in demanding tracks.
• 96 dB sensitivity: Efficient output means these speakers produce strong volume with modest amplifier power.
• Includes grill and hardware: Each speaker ships ready to mount with grills and screws, simplifying installation and protecting the cone.
• In-line capacitor: The attenuating capacitor smooths the tweeter integration for more balanced sound at typical car listening levels.

Who It's For

These speakers suit car owners and professional installers who need a compact coaxial that still emphasizes clarity and loudness. They work well in cars with limited door depth, in custom pods, or where a slim factory-replacement fit is required.

Drivers who expect deep bass from a 6.5' coaxial should look elsewhere or pair these with a dedicated subwoofer for low-end extension, because the SLIM focus is on midrange presence and crisp highs rather than deep bass output.

Pros & Cons

Pros

• Very compact mounting depth allows installation in tight spaces where standard drivers won't fit.
• Built-in tweeter and in-line capacitor deliver clear, controlled high frequencies without extra crossover boxes.
• High power handling and 96 dB sensitivity produce loud, articulate playback with good headroom.
• Includes protective grills and mounting screws for a complete install package.

Cons

• As a shallow coaxial, expect limited low bass; a separate subwoofer is recommended for deep bass fans.

Specifications

Model	6CX380-4 SLIM (bundle of 2)
Size	6.5' coaxial
Power Handling	380 Watts music
Impedance	4 Ohm
Sensitivity	96 dB
Mounting Depth	2.76 in
Includes	Grill and mounting screws

Our Verdict

The 6CX380-4 SLIM bundle is a practical choice for installs that demand pro audio clarity in small spaces; it pairs a shallow midrange driver with a tuned super tweeter to produce loud, articulate sound without external crossovers. Buyers who need deep bass should plan for a subwoofer, but for vocal clarity and installation flexibility these speakers offer good value.

Frequently Asked Questions

Do these speakers need a separate tweeter or crossover?
The built-in tweeter and in-line capacitor remove the need for an external tweeter or passive crossover in most installs.

Can these replace factory 6.5' speakers with limited depth?
Yes, the shallow 2.76 in mounting depth is designed for tight fits and often works where standard 6.5' drivers cannot.

Will they deliver strong bass on their own?
They provide good midrange punch but limited low bass due to the slim profile; add a subwoofer for full low-end extension.