fs: 27.1 hz
RE: 4 ohms+4 OHMs
QMS: 3.4908
QES 0.4752
VAS 5.95 cu.ft
SD: 0.0804 m2
non pressed paper cone
specially treated foam surround
black steel basket
2.5″ 4 layer voice coil
dual 4 ohm impedance
magnet weight:50 oz
mounting depth: 178mm
spl 92db at 1w/1m
fs: 29.2 hz
RE: 4 ohms+4 ohm
QMS: 4.3054
QES 0.5635
VAS 3.15 cu.ft
SD: 0.0511 m2
spl 91db at 1w/1m
fs: 36.9 hz
QMS: 4.0112
QES 0.7095
VAS 1.26 cu.ft
SD: 0.0330 m2