A new model of the P-1, once regarded as a leading headphone amplifier, is now available. The P-1u has upgraded Luxman’s exclusive high-quality feedback circuit ODNF from 2.0 to 3.0A. The new model features separate amplifier quality in terms of its performance and a power transformer with high regulating ability for fully driving headphones with authentic Class A operation with affluently powerful 2W + 2W output and low impedance. The P-1u is the ultimate model, embodying the essense of direct listening with full use of headphone performance.