Key System Benefits
• Type-S1 1-inch Kortec®tweeter
for superb power handling and
reliability
• TwinStage™aluminum heat sink,
to increase power handling
• Neodymium magnets, for
extraordinary power-to-weight
performance
• Superb on- and off-axis
response, whether configured
as a component or a coaxial
Key Installation Benefits
• The SL60 has separable and
dockable crossover cases that allow
the highpass and lowpass to be
separated, for easier installation into
tight interiors
• The SL60 uses quick-fit
tweeter mounting systems for easy
installation
•Compact neodymium magnets
on all models reduce installation
clearances, and minimize
problems with window regulators
and trunk torque rods
•The SL95 incorporates
a unique compact design that allows
it to fit where other 6 x 9-inch
speakers cannot
• VariMount™adapter rings allow
for fast, easy installation in virtually
any factory cutout size
•The SL80 is a true component
61⁄2-inch speaker for common Ford®
5 x 7-inch applications
High Performance
Leading the component drop-in category, Boston SL speakers borrow several key
features from our acclaimed Boston Pro speakers, to give them plenty of pure, natural
performance—all with minimal distortion and maximum bass. Available in four
models designed specifically for easy installation into a variety of factory locations.
It’s a level of sound quality and installation ease not commonly found at such
a popular price point.
Neodymium magnet
The compact size of the magnet allows SL speakers to be installed where others can’t.
It offers an extraordinary power-to-weight ratio: approximately 10x more magnetic
strength than a conventional iron-ferrite magnet of equal size.
TwinStage™heat sink
Two separate aluminum heat sinks improve power handling and reliability.
The first heat sink is located inside the voice coil; the second surrounds the
main woofer magnet assembly.
11⁄2-inch voice coil
Oversized 1 1⁄2-inch voice coil increases overall power handling and reliability.
Type-S1 Kortec®tweeter
The Type-S1’s 1-inch dome is extremely lightweight and ultra
strong, for excellent transient response and low distortion.
Contoured tweeter plane
Asymmetrical tweeter plane provides more natural off-axis response.
(SL95 and SL65)
Dual tweeters
Smoother frequency response and higher output compared to conventional
3-way designs. (SL95)
2 component models:
SL80 5 x 7-inch (plate)
SL60 6 1⁄2-inch
2 coaxial models:
SL95 6 x 9-inch
SL65 6 1⁄2-inch
VariMount™
Boston SL comes with several mounting adapters, making it possible to drop
the speakers into the most common factory locations. Both 160mm and 165mm
adapters and a 1⁄2-inch spacer are included. (SL60 and SL65)
Quick-fit mounting cup
One-step connecting tweeter cup simplifies installation. Place the
tweeter in the quick-fit cup and a simple rotation makes all connections
and secures the tweeter into the cup.
Tweeter security tabs
Tabs on the tweeter grille prevent the tweeter from being taken out
unless the grille is removed.
Separable and dockable crossovers
Installation is more flexible, thanks to patent-pending highpass and lowpass
crossover sections that can be separated. Crossovers can be connected for single
or dual input, or daisy-chained for custom applications. (SL60)
System-specific crossovers
With both dynamic and solid state tweeter protection.
SL65 SL80
SL95 SL60
