as above,
Rockford P400.4
97W x 4 @ 4-Ohms RMS
180W x 4 @ 2-Ohms RMS
260W x 2 @ 4-Ohms bridged RMS
$420
MB Quart DSK216
6-1/2" Discus Series 2-way Component System
Power Handling: 50-120 watts
$280
Alpine CDA-9883
CD/MP3/WMA/AAC Receiver features Max Power Output: 50W x 4, Bass Engine, Fold-down, detachable face, iPod/Bluetooth ready, HD/Satellite radio ready, CD changer controls
$260
Hertz 10" Sub's
ES 250
technical details -
* High thermal dissipation and magnetic permeability plates.
* Big, high power double magnet.
* Pure copper voice coil, wound on Kapton former.
* Back vented hole.
* Butyl rubber gasket for mounting surfaces coupling.
* Butyl rubber protective ring.
* Internally reinforced basket, protected from abrasions by high resistance paint.
* High current, gold-plated terminals.
* Basket and motor are coupled and damped through special epoxy glue.
* Wide-wave, resin-bonded fibre spider.
* High density rubber surround, for mobile voice coil linear, long excursion.
500Watt's 4ohms eachs
$220 for both