TOPPING L30 Headphone Amp

    unboxing Ultra High-Performance NF Modules The TOPPING L30 headphone amplifier incorporates NF(Nested Feedback Composite Amplifier) modules from the flagship A90. The TOPPING L30 amplifier provides excellent AC and DC performance by using a voltage-current hybrid feedback architecture. The L30 amplifier incorporates TOPPING's UHGF (ultra high gain feedback) technology in a voltage-current hybrid feedback architecture. The TOPPING L30 amplifier can drive any pair of headphones without compromises providing a perfect and flawless musical representation accompanied by unparalleled levels of clarity. Surpassing The Limits Of APX555B The APX555B is a two-channel audio analyzer by Audio Precision© (AP). It is widely recognized as the global standard in audio testing equipment helping engineers worldwide design validate characterize and manufacture audio products.  Over the years we have witnessed many companies claiming ridiculous numbers with no proof to back up their claims. High out