---
product_id: 73499660
title: "WA7 Fireflies (2nd Gen) with WA7tp (Tube Power Supply) Upgrade in Black"
brand: "woo audio"
price: "1077678₫"
currency: VND
in_stock: false
url: https://www.desertcart.vn/products/73499660-wa7-fireflies-2nd-gen-with-wa7tp-tube-power-supply-upgrade
store_origin: VN
region: Vietnam
---

# Hi/Lo Impedance Switch 100% Vacuum Tube Design 24-Bit, 384kHz DAC WA7 Fireflies (2nd Gen) with WA7tp (Tube Power Supply) Upgrade in Black

**Brand:** woo audio
**Price:** 1077678₫
**Availability:** ❌ Out of Stock

## Summary

> 🎶 Unleash the Symphony Within!

## Quick Answers

- **What is this?** WA7 Fireflies (2nd Gen) with WA7tp (Tube Power Supply) Upgrade in Black by woo audio
- **How much does it cost?** 1077678₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/73499660-wa7-fireflies-2nd-gen-with-wa7tp-tube-power-supply-upgrade)

## Best For

- woo audio enthusiasts

## Why This Product

- Trusted woo audio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Elevate Your Sound:** Experience audio like never before with a 100% vacuum tube design that delivers warmth and clarity.
- • **Stylish Protection:** Available in sleek black or silver, featuring a high clarity glass top that not only protects but also showcases the tubes.
- • **Precision Engineering:** Equipped with a 24-Bit, 384kHz ESS SABRE DAC for high-resolution playback that brings your music to life.
- • **Versatile Connectivity:** Multi-functional switch allows seamless transitions between USB, RCA input, and RCA output for ultimate flexibility.
- • **Tailored Listening Experience:** Hi/Lo impedance switch ensures compatibility with a wide range of headphones for personalized sound.

## Overview

The WA7 Fireflies (2nd Gen) is a high-performance headphone amplifier featuring a 100% vacuum tube design and a state-of-the-art 24-Bit, 384kHz ESS SABRE DAC. With ultra-quiet headphone outputs and versatile connectivity options, it’s designed for audiophiles seeking an elevated listening experience. Available in black or silver, it combines style with functionality, ensuring your audio gear looks as good as it sounds.

## Description

With WA7tp (valve power supply) upgrade. The Woo Audio WA7 "Fireflies" (2nd gen) Amp/DAC is a combination of high performance valves headphone amplifier with a built-in USB Digital-to-Analog Converter. It is a pure valve design, utilizing 6C45 valves in a class-A, single-ended topology, with transformer coupled outputs. There are no semiconductors used in the entire signal path. The D/A converter is designed to be capable of up to 24-bit/384kHz sampling rates. This maintains pure data integrity, which is transmitted via standard high speed USB 2.0 interface operating in asynchronous mode. The high quality construction features include a pair of Nickel Alloy core output transformers, all-aluminum chassis with no screws visible from any viewing angles, an external linear external power supply for amplification circuitries, a custom built toroidal power transformer, and multi-layer military grade PCBs. The dedicated port for in-ear monitors carries a full range of volume controls ensuring minimal noise. Despite its incredibly compact size, "Fireflies" is a power-house outputting up to 1w of power to drive almost any demanding audiophile headphones. To accommodate different system setup needs, "Fireflies" can also be used as a stand-alone D/A Converter.

## Features

- High Performance 100% Vacuum Tube Design Headphone Amplifier with DAC
- 24-Bit, 384kHz ESS SABRE DAC for high resolution audio playback
- Ultra quiet 1/4" and 3.5mm (for IEM) headphone outputs, Hi/Lo Impedance switch
- Multi-functional switch for USB input, RCA input, and RCA output for D/A mode
- Avaliable in Black or Silver color, High clarity glass top for tubes protection

## Product Details

- **Brand:** Woo Audio
- **Speaker Maximum Output Power:** 100 Watts
- **Connectivity Technology:** RCA, USB
- **Audio Output Mode:** Stereo
- **Mounting Type:** Plug Mount

## Images

![WA7 Fireflies (2nd Gen) with WA7tp (Tube Power Supply) Upgrade in Black - Image 1](https://m.media-amazon.com/images/I/81pp8bmZv2L.jpg)
![WA7 Fireflies (2nd Gen) with WA7tp (Tube Power Supply) Upgrade in Black - Image 2](https://m.media-amazon.com/images/I/81o0Ta-o80L.jpg)
![WA7 Fireflies (2nd Gen) with WA7tp (Tube Power Supply) Upgrade in Black - Image 3](https://m.media-amazon.com/images/I/91re1FNjnWL.jpg)

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**Shop now:** [https://www.desertcart.vn/products/73499660-wa7-fireflies-2nd-gen-with-wa7tp-tube-power-supply-upgrade](https://www.desertcart.vn/products/73499660-wa7-fireflies-2nd-gen-with-wa7tp-tube-power-supply-upgrade)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-06-03*