Drop-in coaxial speakers that replace factory units and lift clarity, highs, and bass. 4 inch to 6x9, in 2-way and 3-way.
Full Manufacturer Warranty
Covered by the manufacturer's warranty, and we handle any claim directly with the brand.
Authorized Dealer
Every set ships new from an authorized dealer, never gray-market, with full brand support.
SQ-Judge Support
Talk to a competing sound-quality judge who installs this gear and matches it to your vehicle.
Tullahoma, TN
Packed and shipped fast from our Tennessee shop, with tracking on every order.
Factory speakers are built to a price: thin paper cones, small magnets, and tweeters that barely reproduce detail. A coaxial speaker fixes that in a single drop-in unit. The tweeter is mounted on the same axis as the woofer, so highs and lows come from one location, and the speaker bolts into the factory opening with an adapter and a wiring harness. You keep the simple install of a stock replacement while gaining stiffer cone materials, real tweeters, and a built-in crossover that splits the signal so each driver works in its range. For most drivers, this is the highest-value upgrade in car audio.
A 2-way coaxial uses a woofer and a tweeter, the most common and reliable configuration. A 3-way coaxial adds a dedicated midrange (or a supertweeter) for more detail in the vocal band. The honest rule: a well-built 2-way from a quality brand will out-perform a cheap 3-way every time. Choose 3-way when it comes from a strong brand and you want the extra detail, not for the bigger driver count alone.
Coaxial size is set by your vehicle's speaker location, so match the size first, then match the power. If you run a factory or standard head unit, look for higher sensitivity (90 dB and up) so the speaker plays loud on limited power. If you add an amplifier, match its RMS output to the speaker's RMS rating for clean, distortion-free volume.
The lineup spans three tiers. Entry tier (roughly $90 to $170): Audiocircle Stuttgart and SL-X6, Audio Dynamics 2000 Series, and Polk marine-rated sets, clean factory replacements that run off head-unit power. Mid tier ($170 to $300): Audiocircle FL-X6 and Audio Dynamics 3000 Series, with better materials and smoother highs. Specialty and reference: Arc Audio X2 coaxials, plus the Arc Audio Moto series built for motorcycle and powersports installs. For a higher soundstage and imaging, step up to component sets; to power any of these cleanly, see multi-channel amplifiers. For other speaker types, browse midbass and tweeters.
A coaxial speaker combines a woofer and a tweeter on a single axis in one unit, with a built-in crossover. It reproduces the full range of sound from one speaker and drops into the factory location, which makes it the simplest and most cost-effective way to upgrade factory audio.
Yes. Coaxials are designed as direct factory replacements. Match the size to your vehicle's opening, and use a mounting adapter bracket and a wiring harness adapter for a clean, plug-and-play install with no permanent modification.
Not always. Many coaxials are sensitive enough to run well off a factory or aftermarket head unit. An external amplifier is an excellent next step, though: it delivers clean power so the speakers play louder without distortion and with better control.
A 2-way has a woofer and a tweeter. A 3-way adds a dedicated midrange or supertweeter for extra detail in the vocal range. A high-quality 2-way from a reputable brand usually sounds better than a budget 3-way, so judge by build quality, not driver count.
Coaxials win on value, simplicity, and install time and are the right choice for most drivers. Component sets deliver a higher, wider soundstage and more sound-quality potential, but cost more and require a more involved install with separate tweeter mounting.
Amplifiers Built for These Speakers
Multi-channel amplifiers spec'd for the power and impedance requirements of the components in this collection. Clean signal, proper damping, and the headroom to drive your speakers without clipping.
US Acoustics
$ 159.99
Prodigy
$ 225.99 $ 270.99
Wavtech
$ 329.99
US Acoustics
$ 399.99
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