WiiM Amp Ultra User Manual

1. Introduction

The WiiM Amp Ultra is a high-fidelity streaming amplifier designed to deliver exceptional audio performance and versatile connectivity for your home audio system. It integrates advanced components and smart features to provide a seamless listening experience, whether streaming digital content or connecting traditional audio sources.

Image: The WiiM Amp Ultra, a compact gray amplifier unit with a front display and control knob, shown alongside its white voice remote control.

2. What's in the Box

Upon unboxing your WiiM Amp Ultra, please ensure all the following items are present:

• WiiM Amp Ultra x 1
• Power Cable x 1
• HDMI Cable x 1
• RCA Cable x 1
• Optical Cable x 1
• Banana Plugs x 4
• Remote Voice 2 x 1
• User Guide x 1

3. Setup Guide

Follow these steps to set up your WiiM Amp Ultra for optimal performance:

1. Placement: Position the WiiM Amp Ultra on a stable, flat surface with adequate ventilation. Avoid placing it near heat sources or in direct sunlight.
2. Speaker Connection: Connect your passive speakers to the speaker output terminals on the rear of the Amp Ultra using the provided banana plugs or bare wire. Ensure correct polarity (+ to + and - to -).
3. Subwoofer Connection (Optional): If using an active subwoofer, connect it to the 'SUB OUT' port using an RCA cable.
4. Source Connection: Connect your desired audio sources (e.g., TV via HDMI ARC, CD player via Optical/RCA, turntable via RCA with a pre-amp) to the corresponding input ports.
5. Power Connection: Connect the power cable to the Amp Ultra and then to a wall outlet.
6. Initial Power On: Press the power button on the unit or remote to turn it on. Follow the on-screen instructions on the 3.5-inch display for initial setup, including Wi-Fi network configuration.
7. WiiM Home App: Download the WiiM Home app from your device's app store. The app will guide you through connecting to your Amp Ultra and accessing its full range of features.

Image: A diagram illustrating the versatile connectivity options of the WiiM Amp Ultra, showing connections to a TV, record player, CD player, floor-standing speakers, headphones, passive speaker, and active subwoofer.

4. Operating Instructions

The WiiM Amp Ultra offers multiple ways to control your audio experience:

4.1. WiiM Home App

The WiiM Home app is the primary control interface for your Amp Ultra. It allows you to:

• Browse and play music from various streaming services.
• Manage multi-room audio setups with other WiiM devices.
• Adjust EQ settings and apply RoomFit room correction.
• Control volume, playback, and input selection.
• Set smart presets and alarm clocks.

Image: Screenshots of the WiiM Home app interface on a smartphone, showing device management, music playback, and alarm settings.

4.2. Voice Remote 2

The included Voice Remote 2 provides convenient control over essential functions:

• Power On/Off
• Volume Up/Down
• Play/Pause, Skip Tracks
• Input Selection
• Voice Assistant activation (Alexa, Google Assistant)

4.3. Touchscreen Display

The 3.5-inch glass-covered touchscreen on the front panel offers direct control and visual feedback:

• Displays album art and track information.
• Provides VU meters for visual audio feedback.
• Allows one-tap control for input switching, settings adjustments, and playback navigation.

Image: Various examples of the WiiM Amp Ultra's touchscreen display, showing album art, VU meters, and system settings interfaces.

5. Connectivity

The WiiM Amp Ultra offers comprehensive connectivity options to integrate seamlessly into your audio setup:

• Wi-Fi 6: For ultra-fast and stable wireless streaming.
• Bluetooth 5.3 with LE Audio: For high-quality wireless audio streaming from compatible devices.
• HDMI ARC: Connect your TV for high-quality audio playback and control via your TV remote.
• Optical Input: For digital audio sources like CD players or game consoles.
• RCA Inputs: For analog audio sources such as turntables (requires a separate pre-amp) or other audio components.
• USB Input: For connecting external storage devices with music files.
• Ethernet (LAN): For a stable wired network connection.

Image: The rear panel of the WiiM Amp Ultra, clearly showing all input and output ports including HDMI ARC, USB, LAN, Optical, RCA, and speaker terminals.

6. Audio Features

Experience superior sound quality with the WiiM Amp Ultra's advanced audio technologies:

• 100W Hi-Fi Amplifier: Powers up to four speakers with ultra-low distortion (-106 dB THD+N) and dynamic clarity.
• Audiophile Components: Features a premium ESS SABRE DAC (ES9039Q2M), dual TI TPA3255 amps, and PFFB (Post-Filter Feedback) technology for precise, load-independent sound performance.
• Built-In RoomFit Room Correction: Automatically calibrates sound based on your room acoustics and speaker characteristics for a personalized and balanced listening experience.
• Customizable EQ: Offers 24 preset EQ profiles, 10-band Graphic EQ, and Parametric EQ for fine-tuning your sound. Includes per-input EQ settings and subwoofer crossover control.

Image: Close-up view of the internal audio components, highlighting the ESS 9039Q2M DAC, TI TPA3255 Amplifier, and TI OPA1612 Op Amp, which contribute to the amplifier's high-fidelity sound.

Image: A diagram illustrating the RoomFit Room Correction feature, showing how the system optimizes sound for different speaker placements (front, surround, center, subwoofer) within a listening environment.

Image: Screenshots of the WiiM Home app demonstrating the detailed EQ adjustment interface, including graphic and parametric EQ options for tailoring sound profiles.

7. Supported Streaming Services

The WiiM Amp Ultra supports a wide array of popular music streaming services and protocols, allowing you to stream everything you love in high quality:

• Spotify Connect
• TIDAL Connect
• Qobuz
• Amazon Music
• Roon Ready
• Chromecast
• Deezer
• iHeartRadio
• Pandora
• SoundCloud
• Napster
• Calm Radio
• vTuner
• Sound Machine
• Radio Paradise

Content is supported in up to 24-bit/192kHz quality.

Image: A collection of logos representing various music streaming services and platforms supported by the WiiM Amp Ultra, including Spotify, Amazon Music, TIDAL, Qobuz, and Roon Ready.

8. Maintenance

To ensure the longevity and optimal performance of your WiiM Amp Ultra, follow these maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Avoid abrasive cleaners or solvents.
• Ventilation: Ensure the unit has adequate airflow around it to prevent overheating. Do not block ventilation openings. The Amp Ultra features advanced thermal management with a copper heat pipe and large aluminum heatsink.
• Firmware Updates: Regularly check for and install firmware updates via the WiiM Home app. These updates often include new features, performance improvements, and bug fixes.
• Storage: If storing the unit for an extended period, disconnect it from power and store it in a cool, dry place.

Image: A diagram illustrating the advanced thermal management system of the WiiM Amp Ultra, showing the internal components like the copper heat pipe and large aluminum heatsink designed to dissipate heat efficiently.

Image: A graphic depicting the over-the-air (OTA) firmware update capability of the WiiM Amp Ultra, emphasizing continuous improvement through regular updates.

9. Troubleshooting

If you encounter issues with your WiiM Amp Ultra, refer to the following common troubleshooting tips:

• No Power: Ensure the power cable is securely connected to both the unit and a working power outlet. Try a different outlet.
• No Sound:
  • Check speaker connections for correct polarity and secure fit.
  • Verify the correct input source is selected on the Amp Ultra or via the app.
  • Ensure the volume is not muted or set too low.
  • Check audio settings on your source device (e.g., TV, phone).
• Network Connection Issues:
  • Restart your Wi-Fi router and the Amp Ultra.
  • Ensure the Amp Ultra is within range of your Wi-Fi network.
  • Verify Wi-Fi password is entered correctly in the WiiM Home app.
  • Consider using a wired Ethernet connection for stability.
• Remote Not Responding: Check the batteries in the Voice Remote 2 and replace if necessary. Ensure there are no obstructions between the remote and the Amp Ultra.
• Distorted Sound:
  • Reduce the volume level.
  • Check speaker impedance compatibility.
  • Ensure audio cables are securely connected and not damaged.

For more detailed troubleshooting, refer to the official WiiM support resources or the comprehensive User Manual PDF available online.

10. Specifications

11. Warranty and Support

For warranty information and customer support, please refer to the official WiiM website or the documentation included with your product. You can also find additional resources and FAQs on the WiiM Store on Amazon.

A comprehensive User Manual in PDF format is also available for download: WiiM Amp Ultra User Manual (PDF).