The Technics SU-Z25 is an integrated amplifier that was released in the late 1980s, known for its combination of performance and affordability. It features a robust build quality with a clean and functional design. The amplifier delivers a power output of approximately 30 watts per channel into an 8-ohm load, which is capable of driving a variety of speakers effectively. The SU-Z25 is equipped with multiple inputs, including phono, CD, tape, and auxiliary, allowing for versatile connectivity with different audio sources. It also includes a tone control section with bass and treble adjustments, as well as a balance control for fine-tuning the audio output. The amplifier's overall sound signature is characterized by clarity and precision, making it suitable for various music genres. In terms of dimensions, it typically measures around 430mm in width, 310mm in depth, and 115mm in height, making it a compact option for home audio setups. The construction often includes a solid metal chassis to reduce vibration and interference, enhancing audio fidelity. An additional feature includes a headphone output for private listening, which is common in many amplifiers of its era.