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Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The Woo Audio WA33 (2nd gen) Fully-balanced Headphone Amplifier is a flagship, fully balanced Class-A tube headphone amplifier designed for both traditional headphones and true-ribbon headphones. It features selectable TR (True-ribbon) direct-drive and HP (Traditional headphone) modes, with multiple headphone outputs and balanced/unbalanced line inputs. Woo Audio lists it as a new release with pricing starting at $9,999, and notes it is designed and assembled in New York, USA.
Amplification power output and characteristics
Analog signal output specifications
Input and output connections
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
Components that show up alongside the WA33 (2nd gen) Fully-balanced in real systems. A verdict means the pair has been checked for compatibility and headroom — open it to see how the two get along.
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The Envy's power @ 8ω is 8W against the WA33 (2nd gen) Fully-balanced's 10W, its thd 0.500% against 0.050%, and its weight 15.1 kg (33 lbs) against 24.5 kg (54 lbs). Both share input impedance (100000Ω).
Both turn up in the same documented systems.
The InPoL Ear's signal-to-noise is 100 dB against the WA33 (2nd gen) Fully-balanced's 95 dB and its thd 0.100% against 0.050%. Both share power @ 8ω (10W) and class (A).
The WA12 Zircon Solid-state Flagship's power @ 8ω is 7.5W against the WA33 (2nd gen) Fully-balanced's 10W, its signal-to-noise 110 dB against 95 dB, and its thd 0.005% against 0.050%. Both share class (A).
The EVO 400 Integrated's power @ 8ω is 70W against the WA33 (2nd gen) Fully-balanced's 10W, its signal-to-noise 93 dB against 95 dB, its thd 0.100% against 0.050%, and its weight 31 kg (68 lbs) against 24.5 kg (54 lbs).
Both turn up in the same documented systems.
WA5
Melos SHA-1 Gold
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