Best 4 Inch Component Speakers

Michel | 11-06-2026

You will find our hand-picked selection of Best 4 Inch Component Speakers below. You have a wide variety of choices of brands such as Alpine,Infinity,KICKER,Dayton Audio,PIONEER available to you as a result of the fact that each one of them has a unique pricing, look, and feel. Continue reading for an in-depth analysis in our Best 4 Inch Component Speakers buying guide!

Our experts tested a variety of Best 4 Inch Component Speakers on the market. Right at the top of the list is Alpine Best 4 Inch Component Speakers. Check out some more of our favorites below, and read some valuable insight from our experienced editors.

Editor's Choice
Alpine S2-S40C - Next-Generation S-Series 4
Alpine S2-S40C - Next-Generation S-Series 4" Component Speaker Set
Premium Pick
Infinity REF-4032CFX Reference 4 Inch Two-Way Car Audio Speakers
Infinity REF-4032CFX Reference 4 Inch Two-Way Car Audio Speakers
Budget Pick
CT Sounds BIO-4-COX 4 Inch Coaxial Car Speakers, 160 Watts Max, Pair
CT Sounds BIO-4-COX 4 Inch Coaxial Car Speakers, 160 Watts Max, Pair

Top 9 Best 4 Inch Component Speakers

We researched and compared the top products in the Best 4 Inch Component Speakers category to provide you with these recommendations.

1. Alpine S2-S40C - Next-Generation S-Series 4" Component Speaker Set

  • Hi-Res Audio Certified: Elevate your audio experience with the Next-Generation S-Series S2-S40C 4" Component Speakers, now Hi-Res Audio Certified. With a frequency response of up to 40kHz, these speakers deliver exceptional sound quality at an entry-level price, providing you with accurate and natural audio reproduction.
  • Reliable Performance: Experience clean and accurate audio with the S2-S40C speakers. Crafted with a unique combination of Poly Propylene, Glass Fiber, and Mica Cone materials, these speakers are designed for lightweight construction, high output, and low distortion. Enjoy a superior audio experience with clear and precise sound reproduction.
  • HAMR Surround Technology: The Alpine-exclusive High Amplitude Multi-Roll (HAMR) surround technology integrated into the speaker design allows for maximum cone movement. This technology enables the S2-S40C speakers to deliver powerful and accurate bass notes, immersing you in deep and impactful sound.
  • Versatile Component Design: The S2-S40C speakers feature a woofer size of 4" and included 1" tweeters with threaded removable housing. With the ability to handle a maximum peak power of 140W and a maximum RMS power of 45W, these component speakers offer a dynamic and versatile audio performance.
  • OEM Fitment and In-Line Crossovers: Enjoy a seamless integration into your vehicle's audio system with the S2-S40C speakers' OEM fitment design. The included in-line crossovers ensure optimized sound separation and distribution between the woofer and tweeter, resulting in a balanced and immersive listening experience. Upgrade your car's audio system with ease and enjoy high-quality sound that complements your vehicle's interior.

2. Infinity REF-4032CFX Reference 4 Inch Two-Way Car Audio Speakers

Infinity REF-4032CFX Reference 4 Inch Two-Way Car Audio Speakers
9.5

Infinity

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  • Edge-driven textile tweeters for smooth, clear highs.
  • Oversized Plus One woofers offer more surface area for higher bass output and enhanced midrange performance.
  • Newly engineered baskets are optimized to fit most factory speaker locations.
  • Competitive pricing - Reference speakers provide step-up Infinity sound at mainstream prices.

3. Alpine BRV-S40C 4" BassRev™ Component Speaker Set

  • High Excursion Design Gathered Edge (H.E.D.G.E.) rubber surround increases output and low frequency extension
  • Unique lapel cone shape for high excursion
  • OPTIM Sync Technology pre - EQ selection specific to each driver (requires 3.0 or newer update on PXE -C80-88)
  • Polypropylene and Mica Cone Material for increased rigidity
  • Ferrite magnet

4. KICKER 51KSC404 KS-Series 4" Coaxial Speakers with .5" tweeters, 4-Ohm, Pair

  • KICKER KS-Series Speakers let you play at concert-like volume, yet maintain the smoothness and subtlety to please even the most selective ear.
  • The high-performance woofers utilize internally dampened polypropylene cones and tough rubber surrounds for outstanding midrange detail and pounding bass!
  • Completely redesigned with new cones, voice coils and crossovers, KS-Series Coaxial Speakers are a serious upgrade from your factory sound.
  • Featuring zero (or minimal) tweeter protrusion, you get a perfect fit in almost every vehicle on the road today, without modifications.

5. Dayton Audio TCP115-4 4" Treated Paper Cone Midbass Woofer 4 Ohm

Dayton Audio TCP115-4 4
8.7

Dayton Audio

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  • Aluminum former keeps voice coil cool for high power handling
  • 1" diameter 4-layer voice coil improves power handling and low frequency response
  • Extended pole piece creates symmetrical magnetic field for lower distortion
  • Cosmetic low-profile mounting flange looks good without flush mounting
  • Powerful motor for efficiency and compact enclosure

6. PIONEER F-Series TS-F1035R 4” 2-Way Speakers (Pair) – 150W Max, Balanced Sound + Smooth Treble,

PIONEER F-Series TS-F1035R 4” 2-Way Speakers (Pair) – 150W Max, Balanced Sound + Smooth Treble,
8.5

Pioneer

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  • Power Handling: Delivering 150W (20W nominal) with 4-ohm impedance, these speakers combine style and high-quality sound for a dynamic audio experience.
  • 2-Way Coaxial Design: The innovative coaxial setup integrates a woofer and tweeter for balanced, immersive sound, ensuring a full range of frequencies during your drive.
  • Sensitivity: With an 86dB sensitivity rating, enjoy distortion-free music at higher volumes, ensuring a clear and loud audio experience with lower power inputs.
  • 4" Standard Sizing: Designed with a standard 4-inch diameter, these speakers seamlessly integrate into most car interiors, offering versatility without compromising performance.
  • Traditional Black: The sleek black finish & flush mount design enhances aesthetics and complements any vehicle interior, combining style with high-quality sound.

7. Focal 100A1 SG 4" 2-Way Component Speakers System No Grills Included (Performance Crossovers)

  • 100A1-Nom Power: 80W | Max Power: 160W | Sensitivity: 89dB
  • DC Resistance: 3.3hms | VC Diameter: 25mm (1in) | VC Height: 11mm (7/16in)
  • TN-44- Nom Power: 15W | Max Power: 100W | Sensitivity: 94dB
  • Gap Height 2.5mm (1/8in) | Net Weight 60g (0.13lb) | Diameter: 50.6mm (1.99in) | Height: 18.2mm (0.72in) | Width: 45mm (0.18in)
  • A1-XO-12dB/oct @ 4.8kHz | Adjustable tweeter level: (0,-3,-6dB) | Max. Power: 120W | Nom. Power: 60W | Width: 2.595" | Height: 1.308" | Depth: 4.730"

8. CT Sounds BIO-4-COX 4 Inch Coaxial Car Speakers, 160 Watts Max, Pair

CT Sounds BIO-4-COX 4 Inch Coaxial Car Speakers, 160 Watts Max, Pair
9.5

Ct Sounds

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  • Speaker size: 4 car speaker, Speaker type: Coaxial, Impedance per speaker: 4 Ohm, Power per speaker: 40 Watts RMS | 80 Watts Max, Total system power: 80 Watts RMS | 160 Watts Max
  • Upgrade your factory car speakers; run these 4" car speakers off your factory head unit, aftermarket head unit, or a multichannel amplifier
  • Bio 2-way full-range 4" speakers car audio come closer to earth delivering a nicely balanced tonal range at a price that wont send you into space
  • Silk-dome tweeter is combined with the polypropylene woofer in a single form factor delivering sound that is rich and full with tight bass and mids
  • Includes (2) 4 signature CT Sounds speaker grilles, (2) premium speaker wires with pre-crimped female spade connectors, (8) 1" mounting screws, (8) mounting clips, and (1) product manual with wiring diagrams for easy installation

9. KICKER DSC40 4-Inch (100mm) Coaxial Speakers, 4-Ohm (Pair)

  • Size: 4"
  • Impedance: 4 Ohms
  • Peak Power Handling: 120W
  • Sensitivity: 88
  • Frequency Response: 60-20k hz
1

Michel

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