Woo Audio WA2 Class-A Vacuum Tube Headphone Amp

Handcrafted since 2004, the critically acclaimed WA2 is a high performance OTL (Output Transformerless) headphone amplifier. WA2 is a Class-A, all-tube design, single-ended triode (SET) with point-to-point wiring to achieve the most analog sound. Music lovers with high impedance headphones (above 100 Ohms) would find WA2 to be the ideal pairing for their high-end headphones.