ITEM NAME:2pcs Digital Power Amplifier Board TDA7498 2x100W 2CH Audio Stereo Parts .like-pro-float .like-pro-price-both{clear: both;.2PCS TDA7498 Digital Power Amplifier. Two-channel stereo, 2x100W power output. High power class D digital amplifier. Sound quality is very good and it can drive 4/6/8 ohm speakers. People always bought together with.