The following product descriptions, specifications and images are provided by the manufacturer.
Description
Elevate Your Sound, Simplify Your Life The WA20 Wireless Amplifier is a complete high-fidelity solution that transforms home music experiences for both audiophiles and casual listeners. Built with a premium PCM5102A DAC chip and 100W of peak power per channel, it delivers stunning clarity and warmth to your favorite speakers, eliminating tangled wires and clunky components while blending seamlessly into your home decor. Key Features Studio-Grade Lossless Audio : Equipped with a high-performance PCM5102A converter,
Why it stands out
Amplifier output
Built with a premium PCM5102A DAC chip and 100W of peak power per channel, it delivers stunning clarity and warmth to your favorite speakers, eliminating tangled wires and clunky components while blending seamlessly into your home decor. Its 100W RMS per channel output drives power-hungry speakers with dynamic range and precision that rivals more expensive systems.
Audio resolution
Key Features Studio-Grade Lossless Audio : Equipped with a high-performance PCM5102A converter, the WA20 supports up to 32-bit/384kHz PCM files and DSD256 decoding for pure, unadulterated sound. Pair your device via Bluetooth or connect to your home network to access high-resolution tracks from Spotify Connect, Tidal Connect, Amazon Music HD, and more, with seamless multi-room audio synchronization.
Bluetooth
Multi-Mode Wireless Connectivity : Enjoy flexible streaming with Bluetooth 5.4, Wi-Fi 6, and Apple AirPlay 2 support.
Wi-Fi and streaming
Smart Devices : Stream directly from your iPhone, iPad, Android phone, or tablet via Bluetooth or Wi-Fi, with seamless integration for Apple devices through AirPlay 2.
Best for
- Compact passive-speaker systems
- Wireless and local-source listening
- Multi-room audio installations
- Users selecting the correct regional power option
Not ideal for
- Speakers that exceed the confirmed amplifier load requirements
- Buyers who need an unlisted HDMI or phono input
- Systems requiring balanced XLR connections
Product Details and Connection Views











EMiUZEK Buying Notes
- Match speaker impedance, power supply and regional plug to the selected configuration.
- Confirm the exact inputs and outputs shown in the product images before installation.
- Amplifier power depends on supply voltage, load and test conditions; use the stated page configuration.
Frequently asked questions
What audio formats can the WA20 decode?
It supports up to 32-bit/384kHz PCM and DSD256 decoding, ensuring you can enjoy high-resolution music with every detail preserved.
How many devices can the WA20 connect to simultaneously?
Thanks to its Bluetooth 5.4 and WiFi capabilities, it can maintain stable connections with up to 8 devices at once, letting you switch between your phone, laptop, and tablet seamlessly.
Does the WA20 work with voice assistants?
Yes, it is compatible with both Alexa and Google Assistant. You can use voice commands to adjust the volume, change tracks, or even ask for song recommendations without lifting a finger.
Can I use the WA20 to create a multi-room audio system?
Absolutely. You can pair multiple WA20 amplifiers through the dedicated app to play the same or different music in every room of your house, all controlled from one device.
What is the total harmonic distortion (THD) of the WA20?
The WA20 boasts an ultra-low THD of less than 0.005%, which means the sound it produces is almost identical to the original recording, with minimal distortion or noise.
HOW TO CONNECT
Wireless speaker system
Source: Phone or network music
Connection: Wi-Fi or Bluetooth to the amplifier
Output connection: Speaker terminals to passive speakers
Local source system
Source: Compatible analog or digital source
Connection: Confirmed input on the product
Output connection: Speaker terminals to passive speakers
Multi-room system
Source: Compatible control app and network
Connection: Wi-Fi network connection
Output connection: Grouped compatible playback zones
Technical Specifications
| Feature |
Specification |
| WiFi |
2.4G EEE802.11 b/g/n |
| Bluetooth |
5.0 |
| Ethernet Port |
RJ45 single 10/100M |
| Power Input |
DC 12-26V |
| Audio Input |
Analog 3.5mm mini jack |
| USB |
2.0 host for HDD/flash drive |
| Supported Audio Formats |
FLAC/APE/MP3/WAV/ACC/AAC+/ALAC |
| Supports streaming protocols |
AirPlay, DLNA, UPnP, Spotify Connect |
| Frequency Response |
20Hz-20KHz |
| THD+N |
1%, 30W x2 @1KHz |
| Speaker Impedance |
4-8ohms |
| Speaker Output Power |
2x50W @6ohms 25V / 2x40W @8ohms 25V / 2x30W @4ohms 18V |
Additional Product Content
Comparison: Streaming Amplifier Choices
| Model |
Confirmed advantage |
Best fit |
| HiFiMuse A80 Pro |
24-bit DAC, Bluetooth 5.0 aptX HD, RCA, optical and coaxial inputs |
Mixed wireless and local-source speaker systems |
| HiFiMuse B5 |
100 W per channel, ESS ES9018K2M, USB/coaxial/optical/analog inputs |
Higher stated power for passive speakers |
| EMiUZEK WA20 |
PCM5102A, up to 32-bit/384 kHz PCM, DSD256, Wi-Fi 6 and AirPlay 2 |
High-resolution network amplification |
| EMiUZEK WA30 |
STA358BW, 50 W × 2, Wi-Fi multi-room and Bluetooth 5.0 |
Straightforward whole-home zones |
| EMiUZEK AMP600 |
24-bit/192 kHz, AirPlay 2, aptX HD and app EQ |
App-centered multi-room playback |