Fosi Audio ZA3 The Next Generation Balanced Dual-Mode Class-D Amplifier
Amplifying Your Voice, Shaping Our Innovation
At Fosi Audio, behind every innovation, there's a story. The birth of the ZA3 amplifier is just such a story, centered around our users.After the launch of the V3 amplifier, we gathered innumerable feedback from passionate audiophiles. They expressed a desire for us to develop an even better amplifier based on V3.
We listened, we reflected, and we took action. After countless design sketches, numerous prototype developments, and a comprehensive regime of rigorous testing, the blueprint of the ZA3 amplifier gradually took form. Every adjustment and detail refinement was a thoughtful response to our customers' input. We didn't just listen to their needs; we immersed ourselves in their passion for quality sound. Our goal was to not only meet but exceed their expectations, crafting an amplifier that embodies their pursuit of auditory excellence and aligns with our dedication to superior sound.
ZA3 is more than just a product; it's the crystallization of joint efforts between Fosi Audio and our users. We proudly say that every customer is a co-designer behind this amplifier. From the balanced XLR input to the support for mono mode, every feature of ZA3 is crafted to meet audiophiles' most authentic audio experience. At Fosi Audio, we believe that true innovation stems from listening to the heart, fueled by shared passion and pursuit. ZA3 is our commitment to excellence, and a shared audio legend that we write together with you.
Why Fosi Audio ZA3?
• XLR Input
• Large Power Output
• TPA3255 Amp Chip
• Optimized Circuit Board Layout
• Replaceable Op-Amps
• Upgraded Heat Dissipation
• Japanese NCC Capacitors
• Japanese ELNA Capacitors
• German WIMA Capacitors
• Japanese Sumida Inductors
• Taper A Pot
• 12V Trigger in
Debut Balanced Stereo/Mono Amplifier
Effortlessly Switch Between Modes to Craft Your Ideal HiFi System with Premium Sound Quality
Easy 2.1-Ch Upgrade
Subwoofer Output for Superior Experience
PBTL Mono Mode Support
More Power Output to Elevate Your Stereo HiFi System to New Heights
TI TPA3255 Amp Chip Integrated
Enabling Superior Audio Quality and Ultra-Low Distortion Across the Audio Band with Class-D Efficiency
Advanced Heat Dissipation Design
Enhanced Cooling with Larger Chassis, Whole-Body Heatsink Design, and Side Ventilation with Dust Covers
Separated Digital & Analog Modules
Optimized circuit board layout protects core audio modules from interference for a purer sound experience.
Swappable Op-Amps
It enables you to customize your audio experience with ease, by effortlessly rolling op-amps to suit your unique sound preferences.
Taper A Potentiometer
It helps achieve a linear listening experience, by enabling precise volume control to match the human ear's auditory characteristics.
More Functions
12V Trigger Sync Interface - Sync with Other Devices for One-Click Power Control
Aluminum Alloy and One-Piece Molded Chassis - Delicate Sandblast, Smooth Edges, Premium Feel
Convenient Mode Switching - Choose Between Two Input Modes Easily with a Toggle Switch
Specifications
Channel: 2.0
Amplifier Chip: Texas Instruments TPA3255
SINAD: 89dBSNR: ≥106dB
Dynamic Range: ≥106dB
THD: <0.006%
Speaker Impedance Compatibility: 2-8Ω
Rated Power Output:With 48V/5A PSU
Stereo: 180Wx2 @4Ω
Mono: 235Wx1 @4ΩWith 32V/5A PSU
Stereo: 95Wx2 @4Ω
Mono: 110Wx1 @4Ω
Frequency Response: 20Hz - 20KHz(±0.1dB)
Input Voltage Range: DC 24-48V
Input & Output
Input: RCA, XLR, 1/4" TRS
Output: Speaker Output (supports banana plug or bare wire connection), Active Subwoofer Output
What's in the box?
Fosi Audio ZA3 Power Amplifier x1
Power Adapter x1
User Manual x1