I have three units, brand new. Bought with deep employee discount 2 years ago. Top of the line Sony Mobile ES amp in 1999. I'm not a stereo person, it was just a deal too good to pass up. My cars don't even have any radio. Somebody take 'em off me. $200 shipped! Retailed for $600!

Specs:

Speaker impedance 1 - 8 ohms (stereo)
2 - 8 ohms (when used as a bridging amplifier)
Rataed outputs power at 4 ohms
100 watts x 2 (20 - 20,000 Hz, 0.03% THD, at 4 ohms)
180 watts x 2 (20 - 20,000 Hz, 0.08% THD, at 2 ohms)
210 watts x 2 (20 - 20,000 Hz, 0.1% THD, at 1 ohms)
360 watts x 1 (20 - 20,000 Hz, 0.08% THD, at 4 ohms)
420 watts x 1 (20 - 20,000 Hz, 0.1% THD, at 2 ohms)
Maximum outputs
230 watts x 2 (at 4 ohms)
380 watts x 2 (at 2 ohms)
500 watts x 2 (at 1 ohms)
750 watts x 1 (at 4 ohms)
1000 watts x 1 (at 2 ohms)
Frequency response
5 Hz - 100 kHz (+0 -3 dB)
Harmonic distortion
0.003% or less (at 1 kHz, 4 ohms)
Dimensions
9 1/8" x 2 3/8" x 14 1/4"
Weight
9 lbs

http://b16a.com/misc/sony/xm2100g.jpg

Also has the XDP-210EQ it's a current model that also MSRP for $600 right now. Brand new. I'd like to get $225 shipped for this unit. REQUIRES a Sony deck that supports it.

http://b16a.com/misc/sony/xdp210eq.jpg