The Sony TA-N 220 is a power amplifier that gained popularity for its solid build quality and performance. It is designed to deliver ample power and support various audio setups. The amplifier features a sleek and understated design typical of Sony's audio equipment from its era. It has a robust heat sink for effective thermal management, ensuring reliability during operation. The TA-N 220 boasts a low total harmonic distortion (THD), which contributes to a cleaner audio output. Its input impedance is usually around 47 kΩ, allowing it to connect seamlessly with various preamps and audio sources. The output power is approximately 80 watts per channel at 8 ohms and 120 watts per channel at 4 ohms, making it suitable for driving a range of speakers. Features like a direct-coupled transistor output and diverse protection circuits enhance its usability and longevity in audio configurations.