AI-generated product photo — not official manufacturer imagery.
Estimated price (community-sourced)
Around — community and catalog average, updates slowly
About the A90 Discrete
The Topping A90 Discrete (A90D) is a high-performance headphone amplifier and pre-amplifier featuring fully discrete NFCA (Nested Feedback Composite Amplifier) modules. Each of its four amplification modules contains 39 transistors in a fully balanced architecture, delivering 9800mW x2 power output at 16Ω. It supports multiple output types including 4-pin XLR, 4.4mm balanced, and 6.35mm SE, with R2R relay volume control and ground loop noise termination.
Specifications
Analog Output
Analog signal output specifications
- THD
- 0.000%
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- XLR, RCA
- Analog Outputs
- 4-pin XLR, 4.4mm balanced, 6.35mm SE
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions