Each Woo Audio WA22 Open Box is tested, inspected and cleaned by our meticulous Returns Team and sold in like-new condition with its original packaging and accessories. 

Originally introduced in 2009, WA22 has been an audiophile favorite. New for 2018 is improved sonic performance and preamplifier feature for use with a Hi-Fi system. WA22 (2nd gen) is an all-tube design, fully balanced headphone amplifier and preamplifier. The advantage of a fully balanced system is improved channel separation, more precise soundstage, and imaging. Perfectly suited for the headphone enthusiast and experienced audiophiles seeking flexibility and purest sound.

Highlights

• Updated to 2nd generation in March 2018
• Tubes: 6SN7 driver x 2, 6080 power x 2, 5U4G rectifier x 1
• Polytetrafluoroethylene (PTFE) tube sockets
• ALPS RK27 4-channel balanced smooth potentiometer
• Fully-balanced design, Class-A
• Power output: up to 1.5 watts per channel @32 Ohms [recommended for power demanding headphones]
• Transformer-coupled, Point-to-Point wiring, Pseudo-dual power supply
• Phase Splitter for use with unbalanced components
• HI / LO impedance setting
• XLR input x 1, RCA input x 1
• Dual 3-pin XLR (left and right channel), 4-pin XLR and 1/4" (6.3mm) stereo headphone outputs
• XLR balanced PREAMP output (<50 ohms)
• Anodized aluminum chassis, available in black or silver
• Self-biasing with compatible tubes
• Dimensions: 7"(H), 12"(W), 10½"(D) amplifier 25 lbs.
• Designed and assembled in New York, USA
• Three-year limited warranty