Fosi Audio - ZA3 48V Stereo Power Amplifier ( 2 x 300W at 4 Ohms) - Black
About this product
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.
Dual-Mode Innovation
The ZA3 supports both stereo and mono modes for flexible system setups. It delivers up to 155W in stereo mode and up to 235W in mono mode. Pair two ZA3 units in mono configuration for even greater power and an enhanced listening experience.
Richer Connectivity
The ZA3 features balanced XLR/TRS inputs for reduced noise and interference, delivering cleaner audio performance. A built-in 12V trigger input allows seamless power synchronization with compatible devices.
Audiophile-Grade Components
Powered by the high-end TPA3255 Class-D amplifier chip and premium components from NCC, ELNA, WIMA, and Sumida, it delivers rich, detailed sound with exceptional clarity. With up to 89dB SINAD, 106dB SNR, and an ultra-low 150μV noise floor, distortion and background noise are kept to a minimum.
Enhanced Scalable Fun
Customize your sound with five replaceable DIP8 op-amps for the left/right channels, balanced input, and subwoofer output. Compatible with popular op-amps such as Sparkos SS3602, MUSES02, OPA2134PA, LM4562, and more for personalized audio tuning.
- Continuous Watts x Channel @ OhmsStereo 180W x 2 @ 4 Ohms - Mono 235W @ 4 OhmsNumber of Channels2Audio Only InputsBalanced XLR, Unbalanced RCANetwork Connector(s)No network connectors
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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.
The BT20A MAX is a compact 2.1-channel Bluetooth stereo amplifier designed for desktop and home audio systems. Powered by the TI TPA3255 Class-D amplifier chip with PFFB technology, it delivers up to 300W × 2 peak power and 180W × 2 RMS output at 4 ohms for clean, dynamic sound performance. It features Bluetooth 6.0 with support for LDAC, aptX HD, aptX Adaptive, and aptX Lossless for high-resolution wireless audio streaming. Dual RCA inputs, passive speaker outputs, and an active subwoofer output with selectable high-pass filter provide flexible connectivity for 2.1 speaker setups. The BT20A MAX also includes bass and treble controls, a remote control, and an upgraded cooling system for stable high-power operation in a compact aluminum chassis.
The Marantz PM6007 2-Channel Integrated Amplifier is an upgraded successor of the PM6006. Features current feedback circuitry and a high-capacity power supply to drive even the most demanding speakers. The Current Feedback amplifier technology provides wide-bandwidth and high-speed sound reproduction, while the HDMS-SA3 delivers more dynamic, accurate and detailed sound. The PM6007 features A and B speaker outputs, for two sets of stereo speakers, or for bi-wiring with compatible stereo speakers, 5-line audio inputs, along with a headphone amplifier jack on the front panel, and the high-grade speaker connectors. Features high resolution D/A conversion which provides up to 192 kHz/24-bit resolution for optimum fidelity with high resolution audio file types. This stereo amp has a tone control function and a loudness feature that boosts the bass and treble response at low volume levels to achieve a more pleasing tonal balance. The Source Direct function bypasses unneeded circuit stages (such as the tone controls) for the most direct audio path from input to output. This unit is equipped with a remote power control function and easy setup guidelines so that you enjoy immersive music in just minutes
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| Pros for Fosi Audio - ZA3 48V Stereo Power Amplifier ( 2 x 300W at 4 Ohms) - Black | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | There were no pros for this product— | Sound Quality, Ease of use, Power, Connectivity, Size |
| Cons for Fosi Audio - ZA3 48V Stereo Power Amplifier ( 2 x 300W at 4 Ohms) - Black | |||
| There were no cons for this product— | There were no cons for this product— | There were no cons for this product— | Price, App, Heat, Bass |
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