Woo Audio
Woo Audio WA6
Best tube amplifier for audiophiles seeking rich, versatile headphone performance.
The Woo Audio WA6 (2nd generation) is a meticulously handcrafted single-ended triode (SET) Class A tube amplifier, designed to set the standard for headphone amplification. It effortlessly drives a wide range of headphones, from 8 to 600 ohms, ensuring compatibility with most full-size headphones and in-ear monitors. Featuring transformer-coupled, point-to-point internal wiring and premium components, this amplifier delivers exceptional audio performance. Its robust anodized aluminum chassis is available in black or silver, offering both durability and aesthetic appeal for discerning music lovers.
$999.00
Owner Satisfaction
4.5
/ 5
Category Rank
400
/ 766
#400 in Headphone Amplifiers
Price vs Category Average
-28%
Below average
Colors
Black, Silver
/ Black, Silver
Who it's for
- Tinkerers who enjoy customizing their sound through tube rolling
- Audiophiles seeking a warm, rich, and musical listening experience
- Design-conscious listeners who value premium, hand-built craftsmanship
Who should skip it
- Budget-conscious buyers looking for an entry-level audio solution
- Listeners wanting instant, maintenance-free audio performance
- Owners of power-hungry, low-impedance planar magnetic headphones
Performance breakdown
Impedance Versatility
Effortlessly powers everything from sensitive IEMs to demanding high-impedance studio cans.
Build Integrity
Robust anodized aluminum chassis provides a premium, tank-like feel.
Sonic Character
Classic Class A triode warmth delivers a rich, engaging musical presentation.
Tube Rolling Potential
Autopolarity features make experimenting with different vacuum tubes remarkably simple.
Connectivity Depth
Limited to a single RCA input, which may restrict multi-source setups.
Signal Fidelity
Clean point-to-point wiring ensures minimal interference for a transparent signal path.
Key Specs
Colors
Black, Silver
Audio Inputs
1 RCA input
Audio Output
1/4" (6.3mm)
Input Impedance
100 kΩ
Output Impedance
30 - 60 Ω
Signal to Noise Ratio
93 dB
THD
<= 0.3 %
Frequency Response
20 Hz - 30 kHz, -3 dB
Features
- Handcrafted since 2008, setting the standard for its class.
- Drives full-size headphones and in-ear monitors from 8 to 600 ohms with ease.
- Single-ended triode (SET), Class A, transformer-coupled design.
- Clean point-to-point wiring and premium components for superior audio.
- Robust anodized aluminum chassis available in black or silver.
- Autopolarity with compatible tubes for flexible tube rolling.
- Global voltage compatibility (100v-220v) for worldwide use.
- Includes essential vacuum tubes for immediate operation.
What customers say
Customers consistently praise the Woo Audio WA6 for its exceptional sound quality, often describing it as warm, detailed, and engaging. Many highlight its ability to bring out the best in various headphones, creating an immersive listening experience. The amplifier's robust build quality and elegant design also receive frequent commendation, reinforcing its premium feel and long term appeal. Users appreciate its reliable performance and the significant upgrade it offers to their audio setups, making it a cherished component for serious audiophiles.
Know before you buy
The WA6 is highly versatile and can drive a wide range of headphones, from sensitive in-ear monitors to demanding full-size models with impedances between 8 and 600 ohms.
No, the amplifier features global voltage compatibility, supporting inputs from 100v to 220v, making it suitable for use in most countries without needing a voltage converter.
Yes, the WA6 is designed for tube rolling. It features autopolarity for compatible tubes, allowing you to experiment with different vacuum tubes to fine-tune the sound profile to your preference.
The WA6 uses a standard RCA input, which allows you to connect it to most traditional DACs, CD players, or other analog audio sources.
As a Class A tube amplifier, the WA6 requires proper ventilation to manage heat. You should also be prepared to replace the vacuum tubes periodically as they naturally wear out over time, similar to a lightbulb.
Point-to-point wiring eliminates the need for printed circuit boards, which can reduce signal interference and improve the overall signal path, contributing to the amplifier's clean and high-fidelity audio performance.
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$999