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Woo Audio - WA7 Fireflies (3rd gen)
Desktop Balanced Headphone Amplifier, Pre-Amp & DAC24 Hours
Designed & Assembled
in the USA
Ideal for
Indoor Use
4.4mm
Balanced Output
1.5W @ 4Ω
Power Output
Connect With
RCA
WOO AUDIO PRESENTS THE UPGRADED, 3RD GENERATION OF THE AWARD-WINNING WA7 FIREFLIES
Woo Audio introduces the all-new and improved 3rd generation of their award-winning WA7 Fireflies. The WA7 Fireflies (3rd Gen) builds upon its predecessor and features dual 12AU7 high-performance vacuum tubes for the amplification stage to delight the eyes and ears alike. The Woo Audio WA7 Fireflies (3rd Gen) now features a built-in linear power supply and employs a balanced headphone output driven by the pair of 12AU7 vacuum tubes and also embeds ESS Sabre DAC, allowing you to enjoy music from streaming services such as TIDAL, Qobuz and Apple Music HD in lossless resolution. The WA7 Fireflies (3rd Gen) is also a tube preamplifier enabling you to integrate WA7 fireflies with your home speaker system or drive a pair of desktop-powered speakers to enjoy the uncompromised sound.

HEADPHONE AMP AND PRE-AMP FUNCTIONALITY WITH VACUUM TUBE GOODNESS FOR YOUR AUDIO
The team at Woo Audio have carefully designed the WA7 Fireflies (3rd Gen) with high-quality component and added functionality previously unavailable. The internal amplification stage in the WA7 Fireflies (3rd Gen) is Class A, a single-ended topology with transformer-coupled outputs. The Vacuum Tube stage has been updated to the 12AU7 vacuum tube option. These particular tubes are easy to find and user-replaceable, allowing for quick replacement and even upgradability to suit your sonic preference. The power output is over 1.5w of power per channel at 4 Ohms, which is ideal for a wide range of IEM (in-ear monitors) and power-hungry full-sized headphones. WA7 Fireflies (3rd Gen) also offers Pre-Amplification functionality as requested by many Woo Audio users. You can now connect your home speaker or use the WA7 Fireflies (3rd Gen) to drive desktop-powered speakers via the 4.4mm 5-pole Pentaconn connector on the rear panel or the 6.3mm (1/4”) stereo preamp output for quick connectivity.

FEATURES A HIGH-PERFORMANCE ESS SABRE DAC AND XMOS xCORE-AUDIO FOR USB CONNECTION
The Woo Audio WA7 (3rd Gen) has been embedded with the coveted and class-leading ESS Sabre DAC to handle all audio conversations. The audiophile-grade ESS Sabre DAC is capable of playing 24-bit/384kHz PCM and 128DSD/5.6MHz files natively. This allows you to enjoy high-quality music from streaming services such as TIDAL, Qobuz and Apple Music in HD in lossless resolution. The Woo Audio WA7 Fireflies (3rd Gen) also offers XMOS xCORE-AUDIO asynchronous USB connectivity, with compatibility for Windows, Mac, Android and iOS devices (with Apple CCK or Android OTG adapter). This USB connection allows you to use the WA7 Fireflies (3rd Gen) with virtually any device and enjoy your music in outstanding quality. The unit features 1 high-retention USB connector to facilitate connectivity with various devices like iPhone, iPad, Android devices, Mac and Windows systems.

EXPERTLY DESIGNED AND OFFERS AN ARRAY OF INPUT AND OUTPUT CONNECTIVITY OPTIONS
Woo Audio takes great pride that the WA7 Fireflies (3rd Gen) is assembled in Brooklyn, New York, USA - from foreign and domestic components. The team at Woo Audio emphasises quality in every aspect of the devices while maintaining a high standard. This is reflected in the WA7 Fireflies (3rd Gen) with its high-quality construction. It includes a pair of Nickel Alloy core output transformers, all-aluminium chassis with no screws visible from any viewing angles. A thick block of superior quality, removable high clarity glass is provided to protect the tubes while maintaining a clean and elegant aesthetic. The Tube sockets are designed of Premium Polytetrafluoroethylene (PTFE). The removable glass allows for 'Tube Rolling', so you can easily change the sound quality by trying different audio tubes. The WA7 Fireflies (3rd Gen) features a built-in linear power supply, making the set-up a breeze and a one-box solution. On the I/O side, the WA7 Fireflies (3rd Gen) offers USB input along with RCA analogue input and for the outputs, you get 4.4mm (5-pole) Pentaconn balanced headphone output, 6.3mm (1/4”) stereo headphone output, and for the Pre-Out, you can use the 4.4mm or the 6.3mm stereo pre outputs on the rear panel.



BUNDLED WITH CABLES AND ACCESSORIES TO GET YOU STARTED RIGHT OUT OF THE BOX
Woo Audio WA7 Fireflies (3rd Gen) comes with a variety of much-needed accessories and cables to get you started. In the box, you get 2 x 12AU7 / 5693 vacuum tubes along with a protective glass with 4 anti-slip silicone glass pads. This helps you set your WA7 Fireflies in minutes and assures it's secured. You also get 1 Standard USB-C OTG to B cable and 1 Standard USB-A to USB-B cable to easily connect your iOS, Android, Mac or Windows device without any hassle. The included power cable supports (100v-240v) without a converter and delivers the WA7 Fireflies (3rd Gen) with ample power. You also get a quick start guide for more information on the device. The inclusion of these accessories is considered and allows you to enjoy your music right out of the box.



HEADPHONE AMP | Class-A Balanced |
POWER SUPPLY | Internal linear power supply |
VACUUM TUBES | 12AU7 / 5963 x 2 |
TUBE SOCKETS | Premium Polytetrafluoroethylene (PTFE) |
DAC CHIP | ESS SABRE DAC |
DAC SUPPORTS UPTO | 24-bit/384 kHz PCM,
DSD128/5.6 MHz |
INPUTS | USB-B digital input x1
RCA analog input x1 Industry standard IEC C13 AC power cord inlet |
OUTPUTS | Balanced 4.4mm headphone output (recommended)
Unbalanced 6.3mm headphone output Balanced 4.4mm pre-amp output Unbalanced 3.5mm pre-amp output |
HEADPHONE OUTPUT COMPATIBLE WITH 4-600Ω | Balanced (recommended): 1.5W @ 4Ω
Unbalanced: 400mW @ 4Ω |
PREAMPLIFIER OUTPUT IMPEDANCE | 16Ω |
FREQUENCY RESPONSE | 10Hz to 46kHz, -3dB |
SNR | 100-120V, 220-240V, 50/60Hz, user selectable |
SELECTABLE OUTPUTS | headphone / pre-out |
AC POWER INPUT | Selectable 110V-125V or 220V-240V |
EXTERNAL DIMENSIONS WITH GLASS | 5.25" (H) x 4.8" (W) x 6" (D) |
WEIGHT | 8.5lbs. (3.9kg) |
COMPATIBLE WITH | Apple iPhone/iPad, Android devices, Mac and Windows computers |
BOX CONTENTS |
1. Woo Audio WA7 Fireflies (3rd gen)
|
2. 12AU7 / 5693 vacuum tube x 2 | |
3. Glass with anti-slip silicone glass pads x 4 | |
4. Standard USB-C OTG to B cable x 1 | |
5. Standard USB-A to USB-B cable x 1 | |
6. AC power cord x 1 | |
7. Quick start guide |
GENERIC NAME | Headphone Amplifier |
IMPORTER DETAILS | Importers Name: Ferrari Video Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020 Contact No: 044-24420733 |
NET QUANTITY | 1 |
3 Year Warranty
Don't sweat it, this Woo Audio - WA7 Fireflies (3rd gen) comes with a 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.
"With the stock tubes, I found the WA7 to enhance the sound with just a touch of richness that I find myself preferring on most days."
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