Audio T Verdict
The WiiM Pro is a highly versatile and affordable way to add modern network streaming to an existing amplifier, receiver, DAC, powered-speaker system or soundbar.
AirPlay 2, Google Cast, Roon Ready, Spotify Connect, TIDAL Connect, Ethernet, RoomFit and comprehensive multiroom support make it substantially more flexible than the WiiM Mini, while optical and coaxial outputs provide a clear route to an external DAC.
Its TI PCM5121 analogue stage is capable for the price, but the Pro Plus is the better choice when analogue input and output quality are priorities. The Pro contains no power amplifier and cannot drive passive loudspeakers directly.
WiiM Pro Hi-Res Music Streamer
The WiiM Pro brings app-controlled streaming, high-resolution digital audio and flexible multiroom playback to an existing Hi-Fi or powered-speaker system.
Analogue RCA, optical and coaxial outputs allow it to work with a wide range of amplifiers, receivers, DACs, powered speakers and compatible soundbars.
Analogue line and optical digital inputs can also bring an existing source into the WiiM system for local playback, RoomFit, EQ and compatible WiiM multiroom distribution.
An Amplifier or Powered Speaker Is Required
The WiiM Pro is a music streamer rather than a power amplifier. It cannot drive passive loudspeakers directly.
Connect it to an amplifier, receiver, powered speakers, compatible soundbar or another product with a suitable analogue, optical or coaxial input.
High-Resolution Digital Outputs
Optical and coaxial digital outputs support compatible audio at up to 24-bit/192kHz, allowing the Pro to operate as a dedicated digital streaming transport.
This makes it a natural partner for an amplifier, receiver or external DAC that already provides high-quality digital-to-analogue conversion.
The maximum optical and coaxial resolutions can be selected in the WiiM Home app to suit the connected product.
Fixed or Variable Output
Fixed output is normally appropriate when volume will be controlled by the downstream amplifier, receiver or powered speakers.
Variable output allows listening level to be adjusted through the WiiM Home app, touch controls, voice assistant or optional WiiM Voice Remote.
For bit-perfect digital output, WiiM recommends fixed volume with EQ, RoomFit, mono and other signal processing disabled.
Check Volume and Digital Compatibility Before Listening
Start with a low volume when using variable output. When fixed output is selected, the connected equipment must provide a safe method of controlling listening level.
If a DAC or amplifier cannot lock to the selected digital resolution, choose a lower output setting in the WiiM Home app.
TI PCM5121 Analogue Conversion
A Texas Instruments PCM5121 DAC provides the stereo RCA analogue output.
WiiM specifies an analogue-output signal-to-noise ratio of 106dB and THD+N of 0.0025%, allowing the Pro to connect directly to a conventional line-level input or suitable powered speakers.
The WiiM Pro Plus uses a higher-performance AKM DAC, lower-noise circuitry and an improved analogue input stage, making it the preferred option where analogue performance is especially important.
High-Resolution Optical Input
The optical digital input accepts stereo PCM at up to 24-bit/192kHz from a compatible television, CD transport, computer or another digital source.
The incoming signal can use WiiM volume control, RoomFit, EQ, Bluetooth output and compatible WiiM multiroom distribution.
Optical Input Supports Stereo PCM Only
Dolby Digital and DTS are not supported. Set a connected television, disc player or computer to output stereo PCM if no sound is heard.
The Pro does not include HDMI ARC.
Analogue Line Input
A 1Vrms stereo RCA line input accepts a compatible CD player, tuner, cassette deck, television, portable player or external phono stage.
The analogue signal is converted to digital at a fixed 16-bit/48kHz so it can use WiiM volume control, EQ, RoomFit and compatible WiiM multiroom distribution.
A Phono Stage Is Required for Most Turntables
The RCA connection is a line-level input rather than a dedicated moving-magnet or moving-coil phono input.
A turntable must have a suitable phono stage built in or be connected through a separate external phono stage.
Streaming Services and Network Libraries
The WiiM Home platform provides access to compatible music services, internet radio, podcasts and suitable DLNA network libraries.
Supported technologies include AirPlay 2, Google Cast Audio, Spotify Connect, TIDAL Connect, Alexa Cast, Roon Ready and DLNA. Qobuz, Amazon Music, Deezer and other compatible services are also available.
Precise gapless playback helps albums, live recordings and classical works flow without unwanted pauses where the source and service support it.
Service availability can vary by region and some services require a separate subscription.
AirPlay 2 for Apple Systems
AirPlay 2 allows compatible iPhone, iPad, Mac and Apple TV devices to send audio to the WiiM Pro and enables Siri control through a suitable Apple device.
The Pro can join an AirPlay 2 group with compatible Apple HomePod speakers and other AirPlay 2 receivers for synchronised multiroom playback.
Google Cast Audio
Google Cast allows compatible apps on a phone, tablet or computer to send music, radio, podcasts and other audio to the WiiM Pro over Wi-Fi or Ethernet.
It can join compatible Google Home and Nest speaker groups and can be controlled through a suitable Google Assistant device.
Roon Ready
Roon Ready certification allows the WiiM Pro to operate as a recognised network endpoint in a compatible Roon system.
Roon provides library management, rich metadata and multiroom control, but requires separate Roon Server hardware or software and an appropriate Roon subscription.
Wi-Fi 5 and Ethernet
Dual-band Wi-Fi 5 supports suitable 2.4GHz and 5GHz wireless networks.
A 10/100 Ethernet connection provides a wired alternative and may be preferable where Wi-Fi coverage is weak, congested or unsuitable for reliable high-resolution and multiroom playback.
Connecting Ethernet automatically disables Wi-Fi and switches the Pro to the wired network connection.
RoomFit Room Correction
WiiM RoomFit uses a compatible phone or external measurement microphone to analyse how the connected system and room affect frequency balance at the listening position.
Digital correction can then reduce the influence of particular room-related peaks and produce a more even response from the available speaker positions.
RoomFit cannot compensate for unsuitable equipment or extremely poor speaker placement, so the system should still be installed carefully before measurements are taken.
10-Band Graphic and Parametric EQ
The WiiM Home app includes preset profiles together with 10-band graphic and 10-band parametric equalisers for detailed tonal adjustment.
Per-source settings allow network, Bluetooth, line and optical inputs to use different profiles.
EQ and RoomFit process the audio signal, so they should be disabled where an unadjusted bit-perfect digital feed is preferred.
Two-Way Bluetooth 5.0
Bluetooth 5.0 can receive music from a compatible phone, tablet, computer or television using the SBC or AAC codec.
The connection is bidirectional, allowing the Pro to send audio to compatible Bluetooth headphones, earphones or wireless speakers.
Bluetooth is convenient, but Wi-Fi, Ethernet or a wired digital output may provide better performance and stability for critical listening.
Flexible Multiroom Audio
Compatible WiiM products can be grouped in the WiiM Home app for synchronised playback, and two compatible WiiM streamers can be assigned left and right channels as a stereo pair.
AirPlay 2, Amazon Alexa and Google Cast provide additional grouping options with compatible third-party products.
Physical Inputs Require an All-WiiM Group
Network music services can play through compatible AirPlay 2, Alexa or Google Cast groups according to the selected platform.
Audio received through Line In, optical input or Bluetooth can be distributed to compatible WiiM devices, but it cannot be retransmitted to HomePod, Amazon Echo, Google Home or third-party Cast speakers.
Wireless WiiM Subwoofer Pairing
Current WiiM software allows the Pro to pair with compatible WiiM wireless subwoofer models, including the WiiM Sub Pro.
This provides app-controlled bass integration without a physical subwoofer output on the Pro. A conventional powered subwoofer cannot be connected directly because there is no dedicated RCA subwoofer socket.
12V Trigger Output
A 2.5mm 12V trigger output can switch compatible amplifiers, DACs or other equipment on and off in response to the Pro's operating state.
The connected component must have a compatible 12V trigger input, and the correct cable and trigger polarity should be confirmed before connection.
Automatic Latency Calibration
A built-in microphone can measure the delay introduced by the connected amplifier or speaker system.
WiiM uses this information to improve synchronisation with other compatible players in AirPlay, Alexa, Google Cast and WiiM multiroom systems.
The microphone is used only for latency measurement. It is not a hands-free voice-assistant microphone.
Touch Controls and Optional Voice Remote
Capacitive controls provide play, pause, volume up, volume down and preset selection, while a three-colour LED indicates operating status.
The optional WiiM Voice Remote is compatible with the Pro and adds playback, volume, source, preset and push-to-talk Alexa control after pairing through the WiiM Home app.
Siri, Alexa and Google voice control otherwise require a suitable external phone, tablet, smart speaker or voice-enabled device.
USB-C Power
The Pro is powered through USB-C and requires at least 5V/1.5A. A 5V/2A adapter and suitable USB-C cable are included in the current package.
The USB-C Socket Is for Power Only
The USB-C connection does not support USB storage, computer audio input or USB audio output.
WiiM Mini, Pro or Pro Plus?
The WiiM Mini is smaller and less expensive, but it omits Ethernet, Google Cast, Roon Ready, optical input, coaxial output and 12V trigger control.
The WiiM Pro adds those facilities and has faster processing hardware, making it the stronger choice for a more complex wired or multi-platform system.
The Pro Plus retains the Pro's streaming features while adding an AKM 4493SEQ DAC, upgraded output circuitry and a higher-resolution TI PCM1861 analogue-to-digital converter. It is the better option when using analogue input or output as the main connection.
System Matching
Well Suited To
- Adding streaming to an existing amplifier or receiver
- Powered speakers with analogue or digital inputs
- Using an existing DAC through optical or coaxial
- Roon Ready music systems
- AirPlay 2 and Google Cast households
- Wired Ethernet installations
- WiiM, Apple, Alexa and Google multiroom systems
- Systems that may benefit from RoomFit and EQ
Check Before Buying
- No power amplifier for passive speakers
- No HDMI ARC connection
- Optical input accepts stereo PCM only
- Analogue input is converted at 16-bit/48kHz
- No USB storage or USB audio support
- No dedicated conventional subwoofer output
- Voice Remote is optional
- Physical inputs distribute only to WiiM groups
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Finish
Black
A discreet black finish that complements most contemporary Hi-Fi, desktop and powered-speaker systems.
Key Features
- High-resolution network music streamer
- Playback and digital output up to 24-bit/192kHz
- TI PCM5121 DAC
- Stereo RCA analogue output
- Optical and coaxial digital outputs
- 1Vrms stereo RCA line input
- Optical digital input up to 24-bit/192kHz stereo PCM
- AirPlay 2, Siri and HomePod grouping
- Google Cast Audio and Google Home grouping
- Roon Ready
- Spotify Connect, TIDAL Connect, Alexa Cast and DLNA
- WiiM Home music-streaming platform
- Precise gapless playback
- Dual-band Wi-Fi 5 and 10/100 Ethernet
- Two-way Bluetooth 5.0
- RoomFit room correction
- 10-band graphic and parametric EQ
- Per-source EQ settings
- Compatible WiiM multiroom and stereo pairing
- Wireless WiiM Sub Pro pairing
- 2.5mm 12V trigger output
- Automatic audio-latency calibration
- Compatible with the optional WiiM Voice Remote
Frequently Asked Questions
Does the WiiM Pro drive passive speakers?
No. It must be connected to an amplifier, receiver, powered speakers, suitable soundbar or another product with a compatible analogue or digital input.
Does the WiiM Pro support 24-bit/192kHz audio?
Yes. It supports compatible network playback, optical input and optical or coaxial digital output at up to 24-bit/192kHz.
Can I connect it to an external DAC?
Yes. Use the optical or coaxial output with a compatible DAC and select a digital resolution that the DAC supports.
Is the WiiM Pro Roon Ready?
Yes. It is a certified Roon Ready network endpoint. A separate Roon Server and appropriate subscription are required.
Does it support AirPlay 2 and Google Cast?
Yes. It supports both platforms and can join compatible AirPlay 2, HomePod, Google Home and Google Cast speaker groups.
Can its physical inputs play through HomePod, Echo or Google speakers?
No. Line, optical and Bluetooth inputs can be distributed through an all-WiiM group, but they cannot be retransmitted to HomePod, Amazon Echo, Google Home or third-party Google Cast speakers.
Does the optical input work with television sound?
Yes, provided the television outputs stereo PCM. Dolby Digital and DTS are not supported.
Does the WiiM Pro support RoomFit and parametric EQ?
Yes. Current software supports RoomFit, 10-band graphic EQ, 10-band parametric EQ and separate settings for different input sources.
Can I connect a turntable?
Yes, but the RCA input is line level. The turntable requires a suitable built-in or separate phono stage.
Can it send sound to Bluetooth headphones?
Yes. Two-way Bluetooth allows the Pro to receive Bluetooth audio or send audio to compatible Bluetooth headphones, earphones and speakers.
Can I connect a subwoofer?
The Pro has no conventional subwoofer socket, but it can pair wirelessly with compatible WiiM subwoofer models, including the WiiM Sub Pro.
Does the USB-C connection carry audio?
No. USB-C is for power only and does not support storage, computer audio input or USB audio output.
Is the WiiM Voice Remote included?
No. The WiiM Voice Remote is an optional accessory, but it is compatible with the Pro and can be paired through the WiiM Home app.
What is included in the box?
The current package includes the WiiM Pro, quick-start guide, USB power adapter, USB-C cable, stereo RCA audio cable and optical audio cable.
Why Buy From Audio T?
- Demonstrations with suitable amplifiers, DACs and powered speakers
- Advice on analogue, optical and coaxial system connections
- WiiM Home app and network setup
- Wi-Fi and Ethernet installation guidance
- AirPlay 2, Google Cast, Alexa and WiiM multiroom configuration
- Roon Ready setup guidance
- RoomFit measurement and EQ advice
- External DAC and digital-resolution setup
- Turntable and phono-stage connection advice
- Bluetooth headphone and speaker configuration
- WiiM Sub Pro pairing and bass-integration advice
- Optional WiiM Voice Remote setup
- Home demonstrations may be available
- Part exchange available on suitable existing equipment
- Ongoing system and setup support
Contact your local Audio T store
to arrange a demonstration or discuss adding a WiiM Pro to your system.