This part is a kind of semiconductor called TDA7498E.

Function of this product has 160-watt + 160-watt dual BTL class-D audio amplifier.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

TDA7498E 160-watt + 160-watt dual BTL class-D audio amplifier Preliminary data Features ■ 160-W + 160-W output power at THD = 10% with RL = 4 Ω and VCC = 36 V ■ 1 x 220 W output power mono parallel BTL at THD = 10% with RL = 3 Ω and VCC = 36 V ■ Wide-range single-supply operation (14 - 36 V) ■ High efficiency (η = 85%) ■ Parallel BTL function using the MODE pin ■ Four selectable, fixed gain settings of nominally 23.8 dB, 29.8 dB, 33.3 dB and 35.8 dB ■ Differential inputs minimize common-mode noise ■ Standby and mute features ■ Smart protection ■ Thermal overload protection ■ Small offset less than 20 mV PowerSSO36 with exposed pad up Description The TDA7498E is a dual BTL class-D audio amplifier with a single power supply designed for home systems and active spe [ ... ]

TDA7498E PDF Datasheet Download