Fosi Audio - ZA3 48V Stereo Power Amplifier ( 2 x 300W at 4 Ohms) - Black
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Specifications
- 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
- Key Specs
- Continuous Watts x Channel @ Ohms: Stereo 180W x 2 @ 4 Ohms - Mono 235W @ 4 Ohms
- Number of Channels: 2 (The number of discrete channels of sound output. This can be a single number or multiple numbers separated by decimal(s). The first number is the primary, horizontally directed audio channels. The number after the first decimal, if applicable, is the number of subwoofer outputs or channels. The number after the second decimal, if applicable, is the number of height or atmospheric channels designed to immerse the listener by producing overhead sound effects.)
- Audio Only Inputs: Balanced XLR, Unbalanced RCA
- Network Connector(s): No network connectors
- General
- Brand: Fosi Audio
- Model Number: ZA3-48V
- Product Name: ZA3 48V Stereo Power Amplifier ( 2 x 300W at 4 Ohms)
- Color: Black
- Audio
- Continuous Watts x Channel @ Ohms: Stereo 180W x 2 @ 4 Ohms - Mono 235W @ 4 Ohms
- Number of Channels: 2 (The number of discrete channels of sound output. This can be a single number or multiple numbers separated by decimal(s). The first number is the primary, horizontally directed audio channels. The number after the first decimal, if applicable, is the number of subwoofer outputs or channels. The number after the second decimal, if applicable, is the number of height or atmospheric channels designed to immerse the listener by producing overhead sound effects.)
- Amplifier Type: Integrated amplifiers
- Inputs
- Audio Only Inputs: Balanced XLR, Unbalanced RCA
- Video Only Inputs: No video only inputs (The number and type of video signal only inputs the product has.)
- Network Connector(s): No network connectors
- Line-Level Inputs: true (Also referred to as low-level inputs. Enables the amplifier to receive a sound signal from another device via RCA cables.)
- Outputs
- Speaker Connection Type: Banana Jack/Screw Terminals
- Video Only Outputs: No video only outputs (The number and type of video signal only outputs the product has.)
- Dimensions
- Product Height: 2 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 7.24 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth: 6.1 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
- Product Weight: 1.83 pounds (The out of box weight of the item.)
- Warranty
- Warranty - Parts: 2 years
- Warranty - Labor: 2 years
- Other
- UPC: 6976136960270
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.
Whats Included
- 1 × ZA3 Power Amplifier
- 1 x 48V5A Power Adapter
- 1 x User Manual
Product Manuals
Q: How much power does this amplifier deliver in mono mode?
A: This amplifier delivers up to 235W in mono mode when paired with a 48V power supply.
Q: What type of speaker connections does this amplifier use?
A: This amplifier uses banana jack or screw terminals for speaker connections.
Q: Can I customize the sound using replaceable op-amps?
A: Yes, you can customize your sound with five replaceable DIP8 op-amps for the left and right channels.
Q: Does this amplifier support both stereo and mono modes?
A: Yes, this amplifier supports both stereo and mono modes for flexible system setups.
Q: Is there a warranty provided for this amplifier?
A: Yes, the amplifier comes with a 2-year warranty for both parts and labor.
Q: Does this amplifier have a dedicated subwoofer output?
A: Yes, the amplifier features a dedicated subwoofer output that allows for easy integration into 2.1-channel systems.
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