TOPPING A90 XLR Pre-Amplifier Full Balanced Headphone Amplifier Fever HIFI Desktop Balance Mobile Phone AMP Preamp

Features Ultra High Performance NFCA modulesA90 implemented the first member of the new NFCA Nested Feedback Composite Amplifier module series Voltage Current hybrids feedback architecture along with UHGF ultra high gain feedback technology provides excellent DC and AC performanceHigh output current drive capability allows the amp to drive low impedance headphones with easeA90 has three output headphone jacks of 4 pin XLR 4 4 balanced and 6 35 SE to meet different usagesThe SE 25Vpp balanced 49Vpp high output voltage along with high output currentless than 0 1 Ohm output impedance A90 is provided with a wide range of adaptation to headphonesA90 is equipped with three gain settings of 9 5dB 0dB 9 5dB for SE and 3 5dB 6 0dB 15 5dB for balanced The noise of merely 0 2uVrms makes A90 easily adapt to all types of headphones from extremely sensitive IEMs to most power demanding full sized over earsWhen the NFCA modules of A90 are in pre amp mode the 20ohm SE and 40 ohm balanced output impedance are widely suitable for various power amplifiersIt s a great companion of active monitors stacked with D90 DAC when A90 works as a pre amp applicationPackage Included 1 x A90 Headphone Amplifier1 x AC Cable1 x 6 35mm to 3 5mm Connector1 x User Manual1 x Warranty Card