The TPA3116/TPA3116D2 series are stereo efficient, digital amplifier power stage for driving speakers up to, 100W/2Ω in mono. The high efficiency of the TPA3130D2 allows it to do 2x15W without external heat sink on a single layer PCB. The TPA3118D2 can even run 2x30W/8Ω without heat sink on a dual layer PCB。