Belt Pack--This cordless headset style is comprised of two components: a wireless amplifier and a headset top, If the user wants to make a call, he only needs to press the key on the headset and use voice recognition to initiate the call.
Apocalypse. The Apocalypse line consists of a single subwoofer: Model AP12D. AP12D is a 12-inch speaker and requires 1.5 cubic feet of air space for sealed enclosures and 2.0 cubic feet for ported enclosures.The RX line is Planet Audio's most extensive offering including 8, 10, 12 and 15-inch subwoofers.xample: 4,032 / 1,728 = 2.33 cubic feet. The air space/volume of this enclosure is 2.33 cubic feet. Planet Audio's Big Bang line of subwoofer consists of two 12-inch (models BB12D and BB212D) and two 15-inch subwoofers (BB15D and BB215D).
However, is a subwoofer always necessary? My current main speakers have 10 woofers, and pack quite a punch on their own. My old receiver did not have a Sub option. I recently upgraded, used, but still new to me, to a JVC RX 8040 130w/c(I know rated specs are never the whole truth). But my mains still kick@ss!