– JBL has begun shipping two new amplifier/digital signal processors that
integrate with any aftermarket or OEM autosound system to upgrade sound-system
They will join the
company’s first such product, which shipped earlier this year at a higher
The two new models
are the $599-suggested single-channel MS-A5001 and $599 four-channel MS-A1004,
joining the $799 8×20-watt
All models integrate with any OEM head unit to upgrade sound-system performance
without sacrificing the functionality of the factory volume-control knob,
making it unnecessary to install a separate aftermarket volume-control knob in
or under the dash.
All three also
feature digital signal processing to select crossover and phase settings, but
the original MS-8 comes also automatically selects crossover points, speaker
time-alignment settings, and equalization to compensate for interior acoustics,
said Chris Dragon, consumer and field marketing director for parent company Harman
Consumer Americas. The MS-8 also features proprietary Logic 7 processing to deliver
the same frequency response and image to any vehicle occupant if the system is
equipped with a center channel.
The new MS-A1004
incorporates 4×100-watt amp (rated into 2 and 4 ohms) and bridges to 2×200
watts into 2 and 4 ohms. The MS-A1004 can be connected to one or more MS-A5001
mono amps to drive one or more subwoofers. The mono amp is rated at 500 watts
into 2 and 4 ohms.
For use with the amps, JBL also launched a
wireless-RF bass-control knob to raise and lower the bass output of a sound
system incorporating either of the new amps/processors. Though installation of
the amps would not interfere with the operation of a factory head’s
bass-control knob, Dragon said, JBL’s $49.99 MS-WBC providers finer control. Factory
bass-control knobs extend their control beyond bass frequencies, he explained.
The use of wireless-RF technology, which is
also built into two new amp/processors, makes it unnecessary to run a cable
through the passenger compartment to the dash.