This part is a kind of semiconductor called TDA7498MV.

Function of this product has Class-D Audio Power Amplifiers.

Manufacturers : STMicroelectronics

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Some of the text within the PDF file :

TDA7498MV 100 W mono BTL class-D audio amplifier Preliminary data Features „ „ „ „ 100 W output power at THD = 10% with RL = 6 Ω and VCC = 36 V Wide-range single-supply operation (10 - 39 V) High efficiency (η = 90%) Four selectable, fixed gain settings of nominally 25.6 dB, 31.6 dB, 35.1 dB and 37.6 dB Differential inputs minimize common-mode noise Standby and mute features Short-circuit protection Thermal overload protection Externally synchronizable PowerSSO-36 with exposed pad up „ „ „ „ „ Description The TDA7498MV is a mono BTL class-D audio amplifier with single power supply designed for home systems and active speaker applications. It comes in a 36-pin PowerSSO package with exposed pad up (EPU) to facilitate mounting a separate heatsink. Table 1. [ ... ]

TDA7498MV PDF Datasheet Download