The Topping A90 is equipped with NFCA(Nested Feedback Composite Amplifier), along with ultra high gain feedback technology it provides excellent AC and DC performance. This powerful AMP features three output ports with a fully balanced output with a 4-Pin XLR and 4.4mm balanced output ports, and an unbalanced 6.35mm output port. It has a monstrous output power of 7600mWx2 providing more than enough juice to power up the most power-hungry headphones in the world. This outstanding headphone amplifier is priced at 499.99$, you can check more details about it here.
Features of Topping A90
– Can be used as Headphone AMP or Pre-AMP.
– NFCA(Nested Feedback Composite Amplifier).
– Three Output Ports, 4.4mm balanced, 4-Pin XLR balanced, and 6.35mm unbalanced.
– Three gain modes, Low, Medium, High.
– Ultra Low Distortion <0.00006%.
– High Dynamic Range of 145dB.
– Ultra-low Noise <0.2uVrms.
– Ultra-low Output Impedance <0.1 ohms.
– Monstrous Output Power up to 7600mWx2.
Ultra-High Performance with NFCA Modules
The Topping A90 is equipped with ultra-high performance NFCA modules, Voltage current hybrid feedback architecture with UHGF(Ultra High Gain Feedback) technology. It provides excellent AC and DC performance. High output current drive capability allows the amp to drive low impedance headphones/IEMs with ease and free from any distortion. The AMP outputs a clean and powerful output with an ultra-low output impedance of <0.1 Ohms.
Two Modes, Headphone AMP or PREAMP
The Topping A90 can be used in two different modes, either as a headphone AMP to power up your demanding headphones with crisp musicality or as a Pre-AMP. When used in Pre-AMP mode the Topping A90 gives an output impedance of 20ohms(single-ended), and 40ohms(balanced) making it compatible with powerful amplification systems. It pairs well with Topping D90 DAC in Pre-AMP mode to drive active speakers.
Three Gain Modes, Three Output Ports
The Topping A90 features three gain modes, low, medium, and high. They add a volume gain of -9.5dB(Low), 0dB(Medium), and 9.5dB(High) for single-ended output and -3.5dB(Low), 6.0dB(Medium), and 15.5dB(High) for balanced output ports. The device features three output ports, 4.4mm balanced, 4-Pin XLR balanced, and 6.35mm unbalanced output ports. There is an ultra-low noise rating of <0.2uVrms providing a crystal clear, noise-free output for extremely sensitive IEMs to power-hungry headphones.
Distortion-Free Powerful Sound Output
The Topping A90 has an ultra-low distortion rating of 0.00006%, and a high dynamic range of 145 dB. The amplifier provides a distortion-free sound output with brilliant extensions at the higher and lower end. It has an output power of up to 7600mWx2, ensuring a powerful output to power up the most power-hungry headphones with ease.
The Topping A90 is a very promising amplifier, it was highly anticipated since its announcement. It complements well with Topping D90 DAC and makes a powerful desktop audio setup. You can grab this powerful amplifier for just 499.99$, check more details here.