The orange LEDs on the front are not emitted by vacuum tubes, this product does not support vacuum tubes.A Home For Electrostatic HeadphonesElectrostatic headphones work differently from traditional headphones. They use specially developed amplifiers with a high-voltage swing to unleash their full potential. Unlock the full performance of your Electrostatic headphones with the all-new Topping EHA5. The amplifier is designed especially for EST headphone owners who demand the very best performance with their headphones. The amplifier provides enough juice to drive even the high-power requiring EST headphones with ease!! Clean & Powerful OutputTopping has got years of expertise in designing premium desktop gears, they have designed the EHA5 with top-level components so as to ensure top-quality performance. The amplifier boasts impressive performance with unmatched SNR, DNR performance, and ultra-low harmonic distortion in the output. It maintains noise levels of under 35uVrms in low-gain mode and under 80uVrms in high-gain mode. The resulting output is super clean and lively.High-Voltage Output SwingElectrostatic headphones require high-voltage output swings to sound their best. Topping EHA5 delivers an immensely powerful output with a remarkable 700Vrms and 2000Vp-p output swing. This immense power allows for easy and clean driveability of your EST headphones. The amplifier has dual gain modes with 30.9dB gain in low-gain mode and 44.9dB gain in high-gain mode.12V Trigger Interface & PassThrough FunctionTopping EHA5 supports a 12V Trigger interface. When connected with suitable devices, EHA5 features seamlessly on/off switching. Once you turn on any one of the devices in the chain, all others connected via the 12V interface get turned on automatically as well. The Topping EHA5 also has a pass-through function when not in use, It provides signal pass-through to further devices in the chain even when the EHA5 is not even turned on.
