ZA3 vs SMSL A300
The A300's power @ 8ω is 85W against the ZA3's 155W, its power @ 4ω 165W against 155W, its signal-to-noise 103 dB against 106 dB, and its thd 0.004% against 0.006%.
Both turn up in the same documented systems.
AI-generated product photo — not official manufacturer imagery.
ZA3
Fosi AudioAmplifiersPower Amplifiers
Estimated price (community-sourced)
$123 - $150
Around — community and catalog average, updates slowly
About the ZA3
The Fosi Audio ZA3 is a versatile Class D amplifier featuring a Texas Instruments TPA3255 chipset, supporting both stereo and mono-block configurations. With balanced XLR/TRS inputs and a 12V trigger, it delivers up to 235W @4Ω in mono mode (48V PSU) while maintaining THD below 0.006%. Its audiophile-grade components include op-amp rolling support and advanced thermal management.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 155W @ 8Ω
- Power @ 4Ω
- 155W @ 4Ω
- Minimum Impedance
- 2Ω
Analog Output
Analog signal output specifications
- THD
- 0.006%
- SNR
- 106 dB
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA, XLR, 1/4" TRS
- Analog Outputs
- Speaker terminals, Subwoofer out
Key Specifications
Power: 155W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions