Bazooka RS10A 10" Powered bass tube. This tube is like new with very little useage. I had it in an 83 Z28 for about 1200 miles. Sold the car so I no longer have a use for it. Here are the specs:

Bass Tubes enclosure
Certified woofer performance
High efficiency bass output
Space saving compact design
Built in Power Amplifier
Variable 18dB Electronic Crossover
High Level or Low Level Input
Remote Control Capability

FREQUENCY RESPONSE: 39Hz - 250Hz +/- 3 Db
MAX POWER OUTPUT: 150 watts (rms)

Bass Tube Photo

Price is $200 shipped.