Woo Audio WA22

Sale price$2,699.00

Finish: Black


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.


  • 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 [chart]
  • Dimensions: 7"(H), 12"(W), 10½"(D) amplifier 25 lbs.
  • Designed and assembled in New York, USA
  • Three-year limited warranty [learn more]

In the box

  • WA22 (2nd gen) headphone amplifier/preamplifier x 1
  • 6080 vacuum tube x 2
  • 6SN7 vacuum tube x 2
  • 5U4G (5U3C) rectifier tube x 1
  • Quick start guide
  • *AC power cord and audio cables are not included