For sale BNIB 2 GTO601.1n amp asking 350obo each
retail is around 400+
here are specs on them
http://www.jbl.com/car/products/product_detail.aspx?prod=GTO601.1&ser=GTS&cat=AMP
General
CEA Rated
Click here to learn about the new CEA2006 Amplifier Standard.
Power Output 424 watts RMS x 1 channel at 4 ohms and ≤ 1% THD + N
580 watts RMS x 1 channel at 2 ohms, 14.4V supply
and ≤ 1% THD + N
Signal-to-Noise Ratio 72dBA (reference 1 watt into 4 ohms)
Dynamic Power 580 Watt at 4 ohms
Effective Damping Factor 6.326 at 4 ohms
Frequency Response (–3dB) 10Hz - 302Hz
Maximum Input Signal 5.3V
Maximum Sensitivity 210mV
Output Regulation .21dB at 4 ohms
Dimensions (W x H X D)
Main Unit 15-1/8" x 12-15/16" x 2-3/8"
MSRP U.S. $ $399.95