DLA118W is a single 18" subwoofer. It features 1x18" 100mm voice coil
woofer, bass-reflex design, three-point hanging system matched with DLA410, can
be hung and stacked to improve the low frequency performance of the system. The
cabinet is made of multilayer composite plywood with wear-resistant polyurea
paint.  DLA118WA is an active subwoofer with one channel digital amplifier
with DSP to match with DLA410A. MODEL DLA118W DLA118WA FREQUENCY
RESPONSE(-3dB) 40Hz-300Hz 40Hz-300Hz DRIVERS 1×18"(460mm)/4"voice
coil
LF                                1×18"(460mm)/4"voice
coil
LF                                RATED
POWER 600W RMS,2400W peak 1200W/4Ω SENSITIVITY 99dB 
1watt/1meter — MAXIMUM SPL 127dB continuous,133dB
peak 127dB continuous,133dB peak IMPEDANCE 8 ohms
nominal — INPUT CONNECTORS 2×Speakon NL4 INPUT
TYPE: Balanced Differential line PACKAGE
SIZE 772mm×715mm×615mm 772mm×715mm×615mm NET
WEIGHT 45 kg/pc   47 kg/pc   GROSS WEIGHT 51
kg/pc 53 kg/pc