Fully Balanced Headphone Amplifier and Pre-Amplifier The Topping A70 Pro Headphone Amplifier is one of the first desktop decoding products with a full-color screen from TOPPING. It combines user-friendly control panel and sleek UI to provide a unique experience as a headphone amplifier or preamplifier. With many notable features, it's worth trying out this top-of-the-line amplifier. T'ang-ku-la Module For Longer Lifespan Experience unparalleled sound clarity with the Topping A70 Pro Headphone Amplifier. Featuring a new three-stage feedback circuit and advanced T'ang-ku-la Module technology, this amplifier provides a dynamic range of 147 dB and significantly reduces noise and high-frequency distortion. By reducing heat generation, it increases overall reliability and lifespan while decreasing thermal noise. New Circuit Architecture Experience all you music has to offer with the Topping A70 Pro Headphone Amplifier. Featuring an ultra-low noise input stage with increased input impedance up to 20kΩ, it delivers superior noise performance while providing better compatibility with incoming devices. With a redesigned gain architecture to minimize noise and distortion, you’ll be able to enjoy your favourite music with crystal clear accuracy. Ground Loop Noise Disappearing Magic And Relay Volume Control The Topping A70 Pro Headphone Amplifier uses relays and resistor networks to form an R2R volume control module for precise volume control, providing a long service life and zero deviation even at low volume. It also features a GND/LIFT switch to help reduce ground loop noise when multiple devices are used in combination. With an actual noise level of
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