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Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio 2CH Mono Amp With TPA3255 Chip
HIGH-PERFORMANCE &HIGH-FIDELITY
Fosi Audio ZA3
The next generation balanced dual-mode Class-D power amplifier. Fosi Audio's first amplifier supporting both stereo and mono modes
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.
Input: RCA, XLR, ¼ ” TRS; Output: Stereo, Mono
SNR≥106dB; THD<0.006%; SINAD: 89dB; Frequency Response: 20Hz-20kHz (±0.1dB)
Rated Power Output: Stereo 180W*2 @4Ω ; Mono 235W @4Ω
12V Trigger Sync Interface
Smooth synchronization with other devices for easy one-click power management, unifying your audio system's operation. (Please use a 3.5mm stereo trigger cable for the trigger input on the ZA3, it must be noted that it takes several seconds for the trigger to activate the ZA3. )
Aluminum Alloy And One-Piece Molded Chassis
Delicate sandblasting and smooth beveled edges, exuding a premium, exquisite texture and high-end appeal.
Logarithmic Potentiometer
Helps to achieve a fine volume tuning to match human ear's auditory characteristics.
Descriptions
Dual-Mode Innovation: This new generation mini amplifier offers both stereo and mono modes, adapts flexibly to your diverse needs, allowing seamless mode switching. In stereo mode, it delivers a robust output of up to 180W, while in mono mode, the power soars to a maximum of 235W. Pair two ZA3 units in mono configuration to create a powerful audio system, significantly enhancing your listening experience.
Richer Connectivity: Debut amplifier with balanced input and trigger in, the ZA3 features a balanced combo audio signal input connector supporting both XLR and 1/4" TRS plugs. This design minimizes interference and reduces noise floor. The 12V trigger-in connector enables synchronization with other devices, streamlining the process of turning on/off without individual operations.
Audiophile-Grade Components: The ZA3 features the TPA3255 high-end Class-D amp chip and utilizes premium Japanese NCC, ELNA, and German WIMA capacitors, and Japanese Sumida inductors for exceptional audio quality. With a SINAD rating of up to 89dB, an SNR of up to 106dB, and a low noise floor of only 150μ V, it delivers exceptional clarity and low distortion.
Advanced Heat Dissipation: Based on V3's groundbreaking heat dissipation design, we upgraded ZA3's cooling system by featuring a larger chassis, moving vents to the sides, and adding dust covers to achieve better ventilation for a sustained and stable high power output.
Enhanced Scalable Fun: Personalize your audio experience with the op-amp rolling feature! The ZA3 stocks five swappable op-amps for left and right channel outputs, balanced input, and subwoofer output. Experiment with compatible DIP8 dual op-amps such as Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4558, LM4562, LME49720HA, etc. to fine-tune your sound to perfection.
Specifications
Chip Set: Texas Instruments TPA3255
Output Power:
With 48V/5A PSU Stereo; 155Wx2 @4Ω ; Mono: 235Wx1 @4Ω
With 32V/5A PSU Stereo; 95Wx2 @4Ω ; Mono: 110Wx1 @4Ω
Terminating Impedance: 2-8Ω
Input Mode: RCA, XLR, 1/4" TRS
Output Mode: Speaker Output (supports banana plug or bare wire connection), Active Subwoofer
Output
Frequency Range: 20Hz - 20KHz(±0.1dB)
SINAD: 89dB
THD: ＜0.006%
SNR: ≥106dB
Dynamic Range: ≥106dB
Device Dimension: 15.49 x 18.39 x 5.08 cm; 1.78 Kilograms
DC Input Range: 24-48V
Power Supply: 32V/5A, 48V/5A
What‘s In The Box？
ZA3 Power Amplifier x 1
32V/5A or48V/5A Power Adapter x 1
User’s Manual x 1
Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio 2CH Mono Amp With TPA3255 Chip
HIGH-PERFORMANCE &HIGH-FIDELITY
Fosi Audio ZA3
The next generation balanced dual-mode Class-D power amplifier. Fosi Audio's first amplifier supporting both stereo and mono modes
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.
Input: RCA, XLR, ¼ ” TRS; Output: Stereo, Mono
SNR≥106dB; THD<0.006%; SINAD: 89dB; Frequency Response: 20Hz-20kHz (±0.1dB)
Rated Power Output: Stereo 180W*2 @4Ω ; Mono 235W @4Ω
12V Trigger Sync Interface
Smooth synchronization with other devices for easy one-click power management, unifying your audio system's operation. (Please use a 3.5mm stereo trigger cable for the trigger input on the ZA3, it must be noted that it takes several seconds for the trigger to activate the ZA3. )
Aluminum Alloy And One-Piece Molded Chassis
Delicate sandblasting and smooth beveled edges, exuding a premium, exquisite texture and high-end appeal.
Logarithmic Potentiometer
Helps to achieve a fine volume tuning to match human ear's auditory characteristics.
Descriptions
Dual-Mode Innovation: This new generation mini amplifier offers both stereo and mono modes, adapts flexibly to your diverse needs, allowing seamless mode switching. In stereo mode, it delivers a robust output of up to 180W, while in mono mode, the power soars to a maximum of 235W. Pair two ZA3 units in mono configuration to create a powerful audio system, significantly enhancing your listening experience.
Richer Connectivity: Debut amplifier with balanced input and trigger in, the ZA3 features a balanced combo audio signal input connector supporting both XLR and 1/4" TRS plugs. This design minimizes interference and reduces noise floor. The 12V trigger-in connector enables synchronization with other devices, streamlining the process of turning on/off without individual operations.
Audiophile-Grade Components: The ZA3 features the TPA3255 high-end Class-D amp chip and utilizes premium Japanese NCC, ELNA, and German WIMA capacitors, and Japanese Sumida inductors for exceptional audio quality. With a SINAD rating of up to 89dB, an SNR of up to 106dB, and a low noise floor of only 150μ V, it delivers exceptional clarity and low distortion.
Advanced Heat Dissipation: Based on V3's groundbreaking heat dissipation design, we upgraded ZA3's cooling system by featuring a larger chassis, moving vents to the sides, and adding dust covers to achieve better ventilation for a sustained and stable high power output.
Enhanced Scalable Fun: Personalize your audio experience with the op-amp rolling feature! The ZA3 stocks five swappable op-amps for left and right channel outputs, balanced input, and subwoofer output. Experiment with compatible DIP8 dual op-amps such as Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4558, LM4562, LME49720HA, etc. to fine-tune your sound to perfection.
Specifications
Chip Set: Texas Instruments TPA3255
Output Power:
With 48V/5A PSU Stereo; 155Wx2 @4Ω ; Mono: 235Wx1 @4Ω
With 32V/5A PSU Stereo; 95Wx2 @4Ω ; Mono: 110Wx1 @4Ω
Terminating Impedance: 2-8Ω
Input Mode: RCA, XLR, 1/4" TRS
Output Mode: Speaker Output (supports banana plug or bare wire connection), Active Subwoofer
Output
Frequency Range: 20Hz - 20KHz(±0.1dB)
SINAD: 89dB
THD: ＜0.006%
SNR: ≥106dB
Dynamic Range: ≥106dB
Device Dimension: 15.49 x 18.39 x 5.08 cm; 1.78 Kilograms
DC Input Range: 24-48V
Power Supply: 32V/5A, 48V/5A
What‘s In The Box？
ZA3 Power Amplifier x 1
32V/5A or48V/5A Power Adapter x 1
User’s Manual x 1
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