Car Speakers: a component speaker set with woofer, midrange, and tweeter lit in blue, with the tagline Component sets, Coaxial sets, Active drivers.
Car Speakers: a component speaker set with woofer, midrange, and tweeter lit in blue, with the tagline Component sets, Coaxial sets, Active drivers.
Separate Woofer, Tweeter & Crossover

Component Speakers

Two-way passive through fully active three-way, in 5.25 and 6.5 inch. Picked by an IASCA Finals judge and shipped from Tullahoma, Tennessee.

A component speaker set splits the woofer, the tweeter, and the crossover into separate pieces so the tweeter can mount at ear level instead of down in a door panel. That one change is what lifts the vocal image off your knees and puts it on the windshield.

Which component set you should buy comes down to a question the spec sheet answers directly: how much amplifier is going behind it. Sensitivity, RMS rating, and whether the crossover is passive or active sort the 15 sets on this page into three tiers, and those tiers organise everything below.

15 component sets · 14 in stock today · 5.25 and 6.5 inch · $139.99 to $3,499.99 · 12 two-way passive, 3 fully active three-way

Shipped from our own inventory in Tullahoma, TN. Stock counts on every card are shelf counts. Full manufacturer warranty. Expert SQ-judge support.

Selected and written by Scott Welch, IASCA National and MECA World Champion and an IASCA Finals judge since 2019.

Decision Shortcut

Find Your Match

Curated picks matched to common build goals

Best for Active Builds

Crescendo REVOLUTION 3S3 3 way speaker system - Crescendo Component Set for car audio systems

Crescendo

Crescendo REVOLUTION 3S3 3 way speaker system

Three-way active with no passive crossover, so each driver takes its own amplifier channel and DSP filter. 6.5 inch, 4 inch and 28 mm drivers, all 4 ohm, 50 to 75 W per driver. The least expensive of the three Revolution systems we stock.

$ 769.99

View Details

Best for SQ Speaker

Crescendo REVOLUTION 7S3 3 way speaker system

Crescendo

Crescendo REVOLUTION 7S3 3 way speaker system

Three-way active with no passive crossover, so every driver gets its own amplifier channel and DSP filter. 6.5 inch, 4 inch and 24 mm drivers, all 4 ohm. 50 to 100 W per driver, with the 4 inch midrange capped at 75 W. The top of the Revolution line and the most expensive of the three we stock.

$ 3,499.99

View Details

Best Component Speaker

Karma Mobile Audio Aspect 6.1 6 Inch Component Speaker Set - Karma Component Set for car audio systems

Karma Mobile Audio

Karma Mobile Audio Aspect 6.1 | 6 Inch Component Speaker Set

Kevlar-cone SQ component set built for tuned front stages and accurate staging.

$ 300.00

View Details

Best Value Speaker

Image Dynamics ID65CS Component System

Image Dynamics

Image Dynamics ID65CS Component System

Affordable component set with a separate tweeter and crossover. A real step up from factory at an entry price.

$ 159.99

View Details

Shop the Lineup

←
→

Component Set Comparison: Power, Sensitivity, and Mounting Depth

Every figure below comes from the manufacturer spec sheet on that product's own page. Where a maker does not publish a figure the cell says so rather than carrying an estimate.

Seven of the 15 component sets in stock on 22 August 2026. The two Image Dynamics sets join the table once their published figures are in hand. Prices and stock are current to that date.
Component Set Size Topology RMS Sensitivity Impedance Mounting depth Price
Audiocircle Stuttgart Line 6.5 in 6.5 in2-way passive60 W (120 W max)89 dB3.2 ohm62 mm (2.44 in)$199.99
Audio Dynamics 2000 Series CS524 5.25 in2-way passive100 W89.98 dB at 1W/1m4 ohm54 mm (2.13 in)$269.99
Karma Mobile Audio Aspect 6.1 144 mm cutout2-way passive100 W with 80 Hz high-pass85.5 dB midbass, 91 dB tweeter4 ohm (3.6 ohm DCR)66.5 mm (2.62 in)$300.00
Audiocircle Hamburg Line 6.5 in 6.5 in2-way passive80 W (150 W max)88 dB at 1W/1m4 ohm67 mm (2.64 in)$399.99
Crescendo Revolution 3S3 6.5 in, 4 in, 28 mm3-way active, no passive crossover50 to 75 W per driverNot published4 ohm, all driversNot published$769.99
Crescendo Revolution 5S3 6.5 in, 4 in, 28 mm3-way active, no passive crossover50 to 100 W per driverNot published4 ohm, all driversNot published$1,599.99
Crescendo Revolution 7S3 6.5 in, 4 in, 24 mm3-way active, no passive crossover50 to 100 W per driver, 75 W midrangeNot published4 ohm, all driversNot published$3,499.99

Manufacturers do not all measure sensitivity the same way, so treat a 1 dB gap between two brands as noise and a 4 dB gap as real. Four decibels is roughly the difference between a set that plays cleanly off a head unit and one that needs an amplifier to wake up.

What a Component Set Does That a Coaxial Cannot

A coaxial speaker puts the tweeter on a post in the middle of the woofer cone, which means the tweeter ends up wherever the woofer has to go. In almost every vehicle built in the last thirty years, that is the bottom of a door panel, below knee height and aimed at the carpet. High frequencies are directional. Put them down there and the image sits down there with them.

A component set separates the tweeter so it can go in the sail panel, the A-pillar, or the top corner of the door card, which puts it near ear level in most cars. The crossover moves out of the woofer basket into its own housing, where a real inductor and a film capacitor will physically fit. Tweeter height and crossover quality account for most of the audible difference between a component set and a coaxial at the same price.

Audio Intensity carries component sets because staging is what the IASCA and MECA score sheets reward, and staging is the one thing a coaxial cannot buy back with more power.

How to Choose a Component Set

Five questions decide the shortlist, and all five come back to the amplifier. Work through them in order and the tier you belong in becomes obvious.

Do I need an amplifier for component speakers?

Read the RMS rating, not the peak rating. A component set rated at 50 W RMS or less with a sensitivity at or above 89 dB will play at reasonable volume off a factory or aftermarket head unit, because head units deliver roughly 14 to 22 W RMS per channel in practice regardless of the number printed on the box. A set rated 80 W RMS or higher, or one with a sensitivity below 88 dB, will sound thin and undynamic on head unit power. On this page four sets are rated at or below 60 W RMS and eight sit in the 70 to 100 W RMS band.

What does a fully active three-way system need that a passive set does not?

The three Crescendo Revolution systems on this page ship with no passive crossover at all. Each driver wires directly to its own amplifier channel, which means six channels per pair plus a DSP or active electronic crossover to set the crossover points. Crescendo specifies 4 ohm on every driver and 50 to 100 W RMS per driver depending on the model. If you do not already own a DSP and a six channel amplifier, budget for both before you budget for the speakers.

How much sensitivity difference actually matters?

Sensitivity is stated in dB at 1 W and 1 metre, and every 3 dB represents a doubling of amplifier power for the same output. The published figures across this collection span 85.5 dB to 92 dB. That 6.5 dB spread means the least sensitive set on the page needs roughly four and a half times the amplifier power of the most sensitive one to reach the same volume. Use sensitivity to sort sets into tiers, not to rank two sets that sit one decibel apart.

Is a three-way set always better than a two-way?

No. A three-way adds a dedicated midrange so the midbass driver never has to reproduce vocals, which is why competition cars run three-way. It also adds a third mounting location, more crossover points, and in the active case three amplifier channels per side. A well-placed two-way with the tweeter on axis beats a badly placed three-way every time. Buy the third way when you have somewhere good to put it.

What does more money actually buy?

Between the $199.99 and $399.99 sets on this page, the measurable changes are motor and cone material and a lower resonance frequency. The Audiocircle Hamburg Line publishes an Fs of 48 Hz, a Qts of 0.48, and 3.7 mm of one-way excursion, which is what lets a 6.5 inch midbass reach down to 60 Hz without handing the work to a subwoofer. Above $769.99 the money buys the active topology and per-driver control that comes with it, rather than simply better parts.

Mounting Depth, Cutout, and Where the Tweeter Goes

Mounting depth kills more component installs than any other number. Published depths on this page run from 54 mm (2.13 in) on the 5.25 inch Audio Dynamics CS524 to 67 mm (2.64 in) on the Audiocircle Hamburg Line. Measure from the mounting surface of the door to the nearest obstruction, usually the window glass at full down travel or the regulator arm, before ordering.

Cutout diameter and bolt circle are separate numbers, and the bolt circle is always the larger of the two. The Karma Mobile Audio Aspect 6.1 is specified at a 144 mm cutout with a 157 mm bolt circle across six holes, so a factory opening cut for a four bolt pattern needs an adapter ring even where the driver itself clears the hole. The Audiocircle Stuttgart Line uses the 165 mm DIN mounting standard and the Hamburg Line uses a 141 mm mounting diameter.

6.5 Inch Component Speakers, and What That Number Really Means

Thirteen of the 15 component sets Audio Intensity stocks are 6.5 inch, which is the most common front door size in the American market and the size most factory openings are cut for. The same driver is sold as 6.5 inch, 165 mm, and 16.5 cm depending on where the manufacturer is based, and European brands often print 17 cm for the same frame. A set listed at 6-3/4 inch usually drops into a 6.5 inch opening as well, because the difference is in the mounting flange rather than the cone. Most of them are 2-way, meaning one 6.5 inch woofer and one tweeter per side with an external crossover in its own housing rather than a network buried in the woofer basket.

What the number does not tell you is whether it fits. Two 6.5 inch sets on this page differ by 24 mm in mounting diameter, 165 mm against 141 mm, which is the difference between a bolt-in and an afternoon with a hole saw, and their published depths span 62 mm to 67 mm. Read the depth and the cutout, not the nominal size. The remaining two sets are 5.25 inch, for doors and dashes that were never cut for a 6.5.

For the tweeter, aim for the sail panel or the top corner of the door card, angled across the car toward the opposite headrest rather than straight at the near listener. Firing a tweeter directly at the near ear from 40 cm away makes that side loud and collapses the image toward the door. Crossing the two tweeters gives the far speaker a path length advantage that partly offsets the seating position. Every set on this page ships the tweeter as a separate piece specifically so that choice is yours.

The Three Tiers, and Which One You Are In

Every component set Audio Intensity stocks falls into one of three amplification tiers. The tiers are set by RMS rating, not by price, and the two do not track each other: the cheapest set on this page wants less power than a set costing $100 more. Find the tier first and the shortlist writes itself.

Tier 1

Head unit capable, rated 60 W RMS or under

4 of 15 sets·$139.99 to $249.99

Four of the 15 sets are rated at or below 60 W RMS, with published sensitivity at 87 dB or better where the maker states one. Tier 1 plays cleanly on factory or aftermarket head unit power and still puts the tweeter at ear level, which is the whole point of buying components.

Tier 2

One four channel amplifier, rated 70 to 100 W RMS

8 of 15 sets·$149.99 to $399.99

Eight of the 15 sets carry a passive crossover in its own housing and a 70 to 100 W RMS rating, which is the power they need per channel to reach rated output. Tier 2 is the largest group in this collection and the right landing spot for most SQ builds that are not chasing a trophy. A Tier 2 set can cost less than a Tier 1 set.

Tier 3

Fully active, DSP and six channels

3 of 15 sets·$769.99 to $3,499.99

Three Crescendo Revolution systems, all three-way, all with the passive crossover removed entirely. Crossover points are set in software, which is what lets a competition car time-align each driver independently.

Six amplifier channels and a DSP are part of the system, not optional accessories.

Two of the 15 sets are placed in a tier on the manufacturer's own description rather than a published RMS figure, because those two makers do not publish one. Both are noted on their product pages.

Related Categories

6.5 inch Component Set - Audio Intensity
6.5 inch component speakersCovers 13 of the 15 sets here
Crescendo Component SetsThe fully active three-way systems
Coaxial Car Speakers - Audio Intensity
Coaxial SpeakersRear fill and doors with no tweeter spot
Car Tweeters - Audio Intensity
Car TweetersSold separately for pillar and sail builds
Midbass Speakers - Audio Intensity
Midbass SpeakersFor three-way stages from single drivers
5.25 inch car speakers - Audio Intensity
5.25 inch SpeakersShallow doors and factory 5.25 openings
4-Channel Car Amplifier
4 Channel AmplifiersTo drive a Tier 2 passive set
Digital Sound Processor - Audio Intensity
Digital Sound ProcessorRequired by every fully active system

Keep Reading

Supporting guides to help you design, build, and tune your system.

Frequently Asked Component Speaker Questions

What is considered a component speaker?

A component speaker set is a car speaker system sold as separate pieces: a woofer, a matching tweeter, and an external crossover, one of each per side. A coaxial speaker combines the same drivers into a single frame with the tweeter mounted on a post over the woofer cone. The separation is the definition. It is what lets the tweeter mount somewhere the woofer cannot go.

Do component speakers sound better than coaxial speakers?

In the front stage, yes, and the reason is placement rather than driver quality. A door-mounted coaxial fires its tweeter at the carpet from below knee height, and high frequencies are directional enough that the whole image follows them down there. A component set puts the tweeter near ear level in the sail panel or A-pillar, which raises the vocal image to the windshield. For rear fill, where you want the sound to stay quiet and diffuse, a coaxial is the better choice.

What is the best component speaker brand?

There is no single best brand, because the right set is decided by the amplifier behind it, not the badge. A set rated 50 W RMS at 89 dB sensitivity is the better speaker if you are running head unit power, and it will beat a 100 W RMS set at 85.5 dB in that system every time. Match RMS rating and sensitivity to your amplifier first, then compare brands inside that tier.

What size component speakers fit my car?

The 15 sets Audio Intensity stocks cover 5.25 inch and 6.5 inch openings. Size alone does not decide fitment. Mounting depth does, and published depths here run from 54 mm (2.13 in) to 67 mm (2.64 in). Measure from the door mounting surface to the window glass at full down travel. Also check cutout against bolt circle: the Karma Mobile Audio Aspect 6.1 needs a 144 mm cutout but a 157 mm bolt circle across six holes, so a four bolt factory opening needs an adapter ring.

What is the difference between a 2-way and a 3-way component set?

A 2-way set uses one woofer and one tweeter per side, with the woofer covering midbass and vocals. A 3-way adds a dedicated midrange driver so the woofer never has to reproduce voices. Twelve of the 15 sets on this page are 2-way. The three 3-way systems are the Crescendo Revolution 3S3, 5S3, and 7S3, and all three are fully active, meaning each of the six drivers per pair takes its own amplifier channel with the crossover set in a DSP.

Can I install component speakers myself?

The woofer swap is the same job as a coaxial swap: pull the door card, unbolt the factory speaker, bolt in the new one. The extra work is the tweeter and the crossover. The tweeter needs a mounting location and a wire run to the door, and the crossover box needs somewhere dry inside the door or behind the kick panel. Budget an afternoon per side the first time. Send fitment questions through the contact page before you start, not after the panel is off.

Amplifiers Built for These Speakers

Multi-Channel Power for Your Front Stage

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 Lisa 4 Channel Class AB Amplifier 4 x 50w US Acoustics

US Acoustics

US Acoustics Lisa | 4 Channel Class AB Amplifier | 4 x 50w

$ 159.99
US Acoustics Wendy 2 Channel Class AB Amplifier 2 x 75w US Acoustics

US Acoustics

US Acoustics Wendy | 2 Channel Class AB Amplifier | 2 x 75w

$ 159.99
US Acoustics Andrea 2 Channel Class AB Amplifier 2 x 150w - US Acoustics Amplifier for car audio systems

US Acoustics

US Acoustics Andrea | 2 Channel Class AB Amplifier | 2 x 150w

$ 289.99
US Acoustics Barbara Ann 4 Channel Class AB Amplifier 4 x 100w US Acoustics

US Acoustics

US Acoustics Barbara Ann | 4 Channel Class AB Amplifier | 4 x 100w

$ 399.99

View all class ab amplifiers | Need a custom build? Contact us

Last updated August 22, 2026