Designed & Made
in the USA
1 Year of
Best for Home
or Desktop Use
The Woo Audio WA7 Fireflies (2nd gen) uses 6C45 tubes in a class-A, single-ended topology. This empowers the WA7 Fireflies to offer nothing else but pure sound, there are no semiconductors used in the entire amplification path.
Despite the compact size, the Woo Audio WA7 Fireflies (2nd gen) is able to drive just about any headphone & earphone. It has a dedicated IEM port along with a range of volume controls. It can also be used as a standalone DAC. Using an ESS SABRE DAC, the Woo Audio WA7 Fireflies (2nd gen) converts up to 24-bit/384k sampling rates.
The standard high-speed USB 2.0 interface maintains the audio signal quality during transmission. Moreover, the Woo Audio WA7 Fireflies (2nd gen) comes with a custom-built toroidal power transformer, remote-controlled linear external power supply for amplification circuitries and multi-layer military grade PCBs.
Crafted beautifully to complement the ambient of your house, the Woo Audio WA7 Fireflies (2nd gen) Headphone Amplifier / DAC is also built to last for generations. The entire chassis is made out of anodised aluminium while the output transformers have a nickel-alloy core. To further enhance the appearance of the WA7 Fireflies, Woo Audio ensures that you don't get to see any screws outside.
|HEADPHONE AMP DESIGN||Single-ended, class-A, transformers output|
|POWER SUPPLY||Linear external power supply. Tube power supply optional|
|TUBES USED||One matched pair of 6C45, one tube per channel|
|USB RECEIVING CHIPSET||XMOS xCORE-AUDIO|
|DAC CHIP||ESS SABRE ES9018K2M Reference DAC|
|SAMPLING RATE||Up to 24-Bit, 384kHz|
|INPUTS||1 Asynchronous USB2.0, 1 RCA|
|OUTPUTS||1 1/4" and 1 1/8" headphone outputs, 1 RCA (same connector as the input)|
|HEADPHONE IMPEDANCE||8-600 Ohms|
|RCA INPUT IMPEDANCE||100 Kilo-Ohms|
|MAX OUTPUT||Approx. 1 watt @ 32 ohms|
|FREQUENCY RESPONSE||11Hz to 27kHz, +/-0.5dB|
|POWER CONSUMPTION||25W max|
|MAINS SUPPLY||100-120V, 220-240V, 50/60Hz, user selectable|
|FUSE||slow blow fuse, 400mA@115V, or 200mA@230V|
|AMP BODY AND PSU FINISH||Anodized Aluminum|
|DIMENSIONS||AMP: 4.8" L x 4.8" W x 5.1" H with glass
PSU: 7" L x 3.5" W x 2.2" H
|WEIGHT||AMP - 5.3 lbs / 2.4kg
Glass - 3.3 lbs / 1.5 kg
PSU - 2.8 lbs / 1.4 kg
1. WA7 Fireflies Headphone Amplifier
|2. SOVTEK 6C45 vacuum tube x 2|
|3. Anti-slip glass pads x 4|
|4. Solid state power supply x 1 with 4ft. DC cord x 1 [not included, replaced by WA7tp with upgrade]|
|5. Standard USB A to B cable x 1|
|6. U.S. style AC power cord|
|7. Quick start guide|
Don't sweat it, this Woo Audio WA7 Fireflies (2nd gen) comes with a 1 year warranty from Woo Audio that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.
Read more about Woo Audio's warranty in India.
"If you want something that looks fabulous while being highly functional, the WA7 is a good candidate for your attention. Woo Audio - WA7 Fireflies (2nd gen) will make your desktop look like a much classier place."Read More
"The WA7s built-in DAC was cleaner, and definitely had more air to the sound. So, all-in-all: good body, good balance, good sound. You like the way they sound, the WA7 will bring that sound out."Read More
"The WA7 is one of the few home headphone amps that sounds great with full-size and in-ear headphones. If you've only heard headphones plugged into a phone, the WA7's sound will blow your mind."Read More
The Audio out that used was from a imac pro via USB, the sound was crystal clear, used audio hijack to run few VST's so i could fine tune the audio for my taste. used utopia headphones on it and i could definitely understand the difference! Loved it.
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