Fosi Audio ZA3 Balanced Stereo Amplifier TPA3255 Dual Mode

Overview

The Fosi Audio ZA3 is a stereo power amplifier designed for desktop, apartment, and living-room systems that need Texas Instruments TPA3255 Class-D power, balanced connectivity. Balanced dual-mode Class-D amp with TPA3255, XLR/RCA inputs, stereo or mono operation, and sub out for desktop and home theater.

Built for listeners who want measurable performance without a bulky AV receiver, the ZA3 focuses on clean power, useful I/O, and strong value. Standout points include Texas Instruments TPA3255 Class-D chipset; Stereo / mono dual-mode with XLR, RCA, and TRS inputs; SNR ≥106dB, THD <0.006%, SINAD 89dB. Use this product page to compare specs and photos before you buy on Amazon.

Key Features

• Texas Instruments TPA3255 Class-D chipset
• Stereo / mono dual-mode with XLR, RCA, and TRS inputs
• SNR ≥106dB, THD <0.006%, SINAD 89dB
• Active subwoofer output and 48V power supply included

Who It's For

Passive bookshelf and tower speakers in desktop, apartment, and living-room systems where compact Class-D power, clean connectivity, and strong value matter more than a rack-sized receiver. The ZA3 is a practical HiFi building block.

Setup & Connectivity

On the desk or in a living-room rack, the ZA3 is easy to integrate: expect balanced XLR/TRS connectivity for lower noise in longer cable runs, RCA inputs for classic HiFi and desktop sources, subwoofer or pre-out options for 2.1 and multi-amp systems. Review the photos and feature list on this page, then buy through Amazon when you are ready — the same Fosi Audio hardware sold on the official store.

Why Choose the ZA3

Choose the Fosi Audio ZA3 when you want texas instruments tpa3255 class-d chipset for passive speakers and multi-amp HiFi builds. It sits in the same product family as Fosi’s popular TPA3255 amplifiers, balanced DAC preamps, and gaming DAC/AMPs — compact components that punch above their price on Amazon and the official Fosi Audio catalog.

Why Fosi Audio

Fosi Audio builds compact HiFi amplifiers, DACs, and desktop audio gear that punch above their price. From TPA3255 stereo and mono power amps to 2.1 and Bluetooth models, Fosi Audio focuses on clean Class-D power, useful connectivity, and value. Shop the same products featured on Amazon with specs and photos collected here for easy comparison.

Compare & explore

Browse more amplifiers, compare with Fosi Audio V3 and Fosi Audio V3, or explore DAC & amp models for source components.