ALS8
ALS8 has a single 18" sub-low frequency driver with Ceramic
magnet, 4" voice coil. The former use glass fiber, reduce the
weight and strengthen the strength. The magnet use ceramic,
so the low frequency response is very deep and rich. Copper
voice coil, can speed up the voice sonic. ALS8 use heavy-duty
cast aluminum chassis for increased rigidity and heat sink, very
suitable for touring application.