Vintage Jensen 500 watt amp. 250x2 Brand new in box, never opened. (Page 1/1) NickD3.4 JUL 01, 02:17 PM Brand new in box never used. I bought this in High school in 1999 and never took it out of the box. Pretty cool vintage piece of audio equipment. KA2500, 500 watts total, 250 watts x 2 channels. 2-channel bridgeable with high/low pass crossovers Die cast metal housing. 2 ohm stable. asking $50.00 pm me for questions or to figure out shipping.