The Toshiba TA8251AH is a 4 channel BTL audio amplifier IC that features built in standby function, muting function, junction temperature detection circuit and an Aux. amplifier that can provide a beep signal, etc., output to 2 channels. High power 18Watts to each channel at RL = 4OHM, VCC = 13.7V, Low distortion THD = .02% (Typ.), and easy to use 25 pin package (HZIP25-P-1.27C). This operates from 9VDC up to 18VDC. These are brand new. Requires very few additional components and comes with hookup info. We are offering these at a very low initial price for a limited time only! These usually sell from $8.95 up to $14.00 each!