The Topping LA90 Discrete Class AB Power Amplifier is a flagship amp with newly developed discrete NFCA technology. It can be configured in stereo or mono mode with the ability to control its own volume & utilise two-step gain settings. Connect via the three provided balanced inputs with XLR or TRS interfaces. With a THD+N of less than 0.0001 per cent the LA90 Discrete reproduces music sources with exceptional accuracy. Its wide working range & low distortion under load make it suitable for various setups. Moreover the amplifiers high-precision CNC machined all-aluminium enclosure not only aids in the exquisite sonic detail but also offers reliable & fast heat dissipation for greater protection. Topping recommends pairing the LA90 Discrete with the D90SE DAC for the ultimate low-distortion combination. Alternatively the Pre 90 pre-amplifier makes a great partner when using LA90 Discrete as a pure power amplifier. For integration with a headphone amplifier pair with the A90 Discrete for both headphone- & pre-amplification functionality.