Alphasonik NS46 4x6 2-Way Car Speakers - Affordable Full-Range Sound

In this review the Alphasonik NS46 pair is evaluated as a budget-friendly 4x6 car speaker option for listeners who want improved clarity and punch without upgrading their entire system. The biggest reason to consider these speakers is their combination of a polypropylene cone and PEI dome tweeter with a built-in crossover, which delivers a fuller two-way response that outperforms many factory units at a similar price. For anyone fitting compact door or rear parcel shelf spaces and wanting noticeable improvement in mid-bass and treble detail, these speakers deserve a close look.

Key Features

• Polypropylene Cone: Provides a balanced midrange and durability for daily driving conditions, helping vocals and instruments remain clear at moderate volumes.
• PEI Dome Tweeter: Offers crisp high-frequency detail so cymbals and vocal sibilance come through with more clarity than typical stock speakers.
• Built-in Crossover: Ensures the woofer and tweeter share frequencies properly, reducing distortion and improving overall musical balance.
• Stamped Steel Basket and Rubber Surround: Creates a sturdy frame that resists warping while allowing reliable cone excursion for punchier lows.
• Included Hardware Pack: Comes with speaker wires, screws, speed clips, and an operations manual, making installation straightforward in most applications.

Who It's For

The NS46 speakers suit drivers who want to upgrade from factory speakers without a major investment, especially in compact locations that require a shallow mounting depth. They are a sensible choice for commuters and casual listeners who value improved sound clarity, decent bass response, and reliable construction in a compact 4x6 package.

Those who need extreme low-frequency output, very high power handling, or audiophile-level fidelity should look elsewhere; the NS46 are rated 120 watts max pair (40 watts RMS per speaker) and have an 80dB sensitivity and a 3-ohm impedance, so they perform best with modest power and realistic expectations.

Pros & Cons

Pros

• Good value for money with materials and design that noticeably improve on stock speakers.
• PEI dome tweeter provides clear highs and better instrument separation.
• Shallow 1.65' mounting depth fits many factory locations where deeper drivers will not.

Cons

• Moderate sensitivity at 80dB and 40W RMS rating mean they need reasonable head-unit power for stronger volume and bass.
• Not designed for very deep bass or subwoofer replacement, so low-end enthusiasts may want a dedicated sub instead.

Specifications

Configuration	2-Way Full-Range Pair
Power Handling	120 Watts MAX per pair, 40 Watts RMS per speaker
Frequency Response	70Hz - 20kHz
Sensitivity	80dB
Impedance	3 Ohm
Mounting Depth	1.65 in
Overall Diameter	4.13 x 6.14 in

Our Verdict

The Alphasonik NS46 4x6 speakers are a practical, budget-oriented upgrade for drivers seeking better clarity, punch, and treble detail compared with many factory units. They pair durable materials with a useful accessory pack and a built-in crossover, making them a good value for everyday listening in compact installations, though serious bass seekers should add a subwoofer for full low-end impact.

Frequently Asked Questions

Will these speakers fit factory 4x6 openings?
They are designed for common 4x6 locations with a 1.65 in mounting depth, but confirming your vehicle's cutout and depth is recommended before purchase.

Do they include installation hardware?
Yes, the package includes two speaker wires, eight screws, eight speed clips, and an operations manual to help with installation.

Can they be driven off a factory head unit?
Yes, they can be used with a factory head unit, but expect better results with a bit more clean power since sensitivity is 80dB and rated 40W RMS per speaker.