Boston Acoustics

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Affordable car coaxial speakers ideal for stock locations


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  • 6 x 9" copolymer cone woofer with butyl rubber surround
  • 3/4" Type-S3 soft dome tweeter delivers detail and true 20k extension
  • CATB™ (Contoured Asymmetrical Tweeter Baffle) improves off-axis response
  • Neodymium tweeter magnets, compact yet powerful
  • System specific crossover
  • Metal mesh grille for optimum speaker protection
  • Includes mounting hardware and quick-connect wire kit
  • Easy “drop-in” installation

Type-S3 Tweeter
The SE component speakers utilize the Type-S3 soft dome tweeter. Its 3/4" size with neodymium motor structure, the tweeter is very compact and features Ferrofluid cooling for increased power handling. The dome material, a carbon injected polymer, offers a perfect blend of detail and strong output.

Real Metal Grille
The SE speakers feature a true metal mesh grille for optimum protection for the woofer when installed in non-factory locations or anywhere where a grille is needed. Additionally the tweeter for the SE component systems also features a metal grille for equal protection.

SE coaxial speakers feature Boston’s CATB™ (Contoured Asymmetrical Tweeter Baffle). The CATB™ offers to major advantages over a conventional tweeter post. First, its contoured baffle dramatically improves the off-axis response of the tweeter. Second, its asymmetrical shape makes the baffle acoustically invisible to the woofer, keeping the frequency response from the woofer flatter and smoother then conventional designs.


Frequency Response (±3dB)
Sensitivity (1 watt (2.83v) at 1m)
Mounting Depth
Nominal Size
6 x 9"
RMS Power Handling
Peak Power Handling

Customer Reviews

Reviewer: Tajon

I got these speakers in a 04 corolla with a Kenwood DPX380U head unit. When I pulled them out of the box, all I said was "Wow" these will put my Pioneers to shame, and they did. I noted one thing that was different from other speakers and that was the tweeter and mid woofer "tower" sticks up about 1/4 to 3/8 of an inch above the mounting ring. So if you have a deck lid that goes over the speakers, you might want to make sure it will fit. Performance- With the kenwood unit you are able to adjust the bass, mid, and treble ranges which works really well with these speakers. The woofer makes the bass hit hard, mid range is great and the tweeters are great. I've yet to have any distortion of the sound quality with the bass, mid, and treble maxed out. I've only had these for a few days but I'm sure they won't disappoint! I'd suggest these speakers for anyone who wants great sound and bass and that doesn't want to put in an amp w/subs. Put 4 of these together in a system and you'll be happy.

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