Woo Audio Power Supply Unit
Best premium upgrade for dedicated audiophiles seeking long term reliability.
A dedicated replacement power supply designed specifically to restore functionality to existing headphone amplifier setups. It offers reliable, global voltage support in a compact, handcrafted form factor.
$249.00
at
Woo Audio Official Website
Who it's for
- Audiophiles seeking the highest possible fidelity from their tube amplifiers
- Listeners who value durable equipment that matches their existing aesthetic
- Long-term owners looking to preserve their investment in rare tubes
Who should skip it
- Users with limited desktop real estate or compact listening stations
- Budget-conscious hobbyists prioritizing core equipment over power upgrades
- Multi-brand collectors needing versatile power solutions for various gear
Performance breakdown
Build Integrity
Handcrafted in New York with meticulous attention to component longevity.
Voltage Versatility
Global input support ensures seamless operation across international power grids.
System Compatibility
Perfectly tailored for specific Fireflies models, though limited to that ecosystem.
Form Factor
Compact, minimalist footprint saves valuable space on crowded desktop setups.
Power Stability
Delivers clean, consistent current essential for high-fidelity audio performance.
Setup Simplicity
Straightforward installation, provided you have the necessary umbilical DC cord.
Key Specs
Compatibility
WA7 Fireflies (1st and 2nd gen), WA7D Fireflies Duo
Input Voltage
100v–220v
Universal Input Voltage Support
Yes
Origin
Handcrafted in New York, USA
Included
WA7p solid-state power supply x 1
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