The Fosi Audio ZA3 is a high-performance balanced Class-D amplifier designed for desktop and home HiFi systems. Built around the Texas Instruments TPA3255 amplifier chip, the ZA3 delivers powerful, clean sound with low distortion and high efficiency. It supports both stereo and mono modes, offering up to 180W output in stereo mode and up to 235W in mono mode when paired with a 48V power supply. The ZA3 features balanced XLR/TRS and RCA inputs, making it compatible with a wide range of audio sources, while the dedicated subwoofer output allows easy integration into 2.1-channel systems. Premium audiophile-grade components, including Japanese NCC and ELNA capacitors, German WIMA capacitors, and Sumida inductors, help achieve detailed, dynamic sound with an SNR of up to 106dB and ultra-low distortion. | Fosi Audio | | ZA3 48V Stereo Power Amplifier ( 2 x 300W at 4 Ohms | Black | Best Buy