ITEM NAME:TDA7492P 2x25W Wireless Bluetooth V4.0 Audio Receiver Power Amplifier Board TDA7492P Wireless Bluetooth Audio Digital Receiver Amplifier AMP Board SPECIFICATIONS.TDA7492P Wireless Bluetooth Audio Digital Receiver Amplifier AMP Board. Chip: TDA7492P. Output Power: Add pre-5532 output foot (powered 25V,6 Ohm impedance output 2x25W, 8 Ohm impedance output 2x40W dual-channel).