The APA4838RI-TRG with TSSOP-28-P is an Audio Power OpAmps ROHS manufactured by Anpec. It is a surface mounted integrated circuit specifically designed for use in audio amplifying applications. This device features a typical single ended power output of up to 4 watt, a low 0.4v THD+N, and a power supply voltage of 8V to 16V. It also has a wide range frequency response of 5kHz to 50kHz, making it suitable for both audio and multimedia applications. This device is lead-free and RoHS compliant, making it a great choice for eco-friendly electronics products.