The Pioneer SA-1050 is an integrated amplifier produced during the 1970s. It features a power output of approximately 50 watts per channel into 8 ohms. The amplifier includes various input options, including phono, tape, and auxiliary. It is known for its robust build quality and features such as tone controls, a loudness switch, and speaker selection. The design includes a classic silver faceplate and large, easy-to-read dials, characteristic of the aesthetics of that era. The SA-1050 is part of Pioneer's series of audio equipment that catered to enthusiasts looking for quality sound reproduction in a home audio setup.