1. Introduction
The Naim Uniti Atom is a compact, high-end all-in-one streaming device designed to deliver exceptional audio performance. It integrates a powerful amplifier, a versatile music streamer, and multiple digital and analog inputs into a single, elegant unit. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your Uniti Atom to ensure optimal performance and longevity.
Figure 1: Front view of the Naim Uniti Atom. This image shows the device's sleek black finish, the central display screen, and control buttons on the right side.
2. What's in the Box
Upon unboxing your Naim Uniti Atom, please ensure all the following components are present:
- Naim Uniti Atom unit
- Document pack (including this manual)
- Cleaning cloth
- Remote control
- AAA batteries (2, for remote)
- Power lead
3. Key Features
The Naim Uniti Atom offers a comprehensive set of features for a premium audio experience:
- Amplification: 40 watts x 2 of Class A/B amplification.
- Digital Inputs: Optical, coaxial, USB, and HDMI digital inputs for versatile connectivity.
- Analog Input: RCA stereo analog input for traditional audio sources.
- Headphone Output: Minijack headphone output for private listening.
- Wireless Connectivity: Bluetooth with aptX HD, Apple AirPlay 2, Chromecast built-in, and Wi-Fi.
- Streaming Services: Integrated support for Spotify Connect, TIDAL, and Internet Radio.
- High-Resolution Audio: Supports UPnP streaming of high-resolution files up to 32-bit/384kHz resolution.
- Roon Ready: Seamless integration with Roon music management software.
4. Setup Guide
4.1. Placement
Place your Uniti Atom on a stable, flat surface, away from direct sunlight, heat sources, and excessive moisture. Ensure adequate ventilation around the unit to prevent overheating.
4.2. Connecting Speakers
Connect your passive speakers to the speaker terminals on the rear panel of the Uniti Atom. Ensure correct polarity (+ to + and - to -) for both left and right channels. The Uniti Atom is designed to work with a wide range of speakers.
4.3. Power Connection
Connect the supplied power lead to the AC input on the rear of the Uniti Atom, then plug it into a suitable mains power outlet. The unit is designed for 100-120V or 220-240V operation, depending on the region.
4.4. Network Setup
For optimal streaming performance, a wired Ethernet connection is recommended. Connect an Ethernet cable from your router to the Network port on the Uniti Atom. Alternatively, you can connect via Wi-Fi:
- Power on the Uniti Atom.
- Follow the on-screen prompts to select your Wi-Fi network.
- Enter your Wi-Fi password using the remote control or the Naim Control app.
4.5. Initial Setup with Naim App
Download the Naim Control app from your device's app store (iOS or Android). The app will guide you through the final setup steps, including naming your device and configuring streaming services.
5. Connections
The rear panel of the Uniti Atom provides a variety of input and output options:
Figure 2: Rear panel connections of the Naim Uniti Atom. This image highlights the various ports for power, speakers, network, USB, digital inputs (optical, coaxial, HDMI), and analog inputs/outputs.
- Power Input: Standard IEC power inlet for the supplied power lead.
- Speaker Terminals: Gold-plated binding posts for connecting passive speakers (Right and Left channels).
- Network (Ethernet): RJ45 port for wired network connection.
- USB: Type-A USB port for connecting USB storage devices.
- Digital Inputs:
- Optical (TOSLINK) x2
- Coaxial (RCA) x1
- HDMI (ARC) x1 (for connecting to a TV's audio return channel)
- Analog Input: RCA stereo input for external analog sources.
- Preamp Output: RCA stereo output for connecting to an external power amplifier or subwoofer.
- Ground Switch: Allows selection between floating and default ground settings.
6. Operation
6.1. Powering On/Off
Press the power button on the front panel or the remote control to turn the Uniti Atom on or off. The display will illuminate upon power-on.
6.2. Front Panel Controls
The Uniti Atom features an intuitive front panel with a full-color display and touch-sensitive controls:
- Display Screen: Shows current source, track information, settings, and album artwork.
- Volume Dial: The large illuminated dial on top controls the master volume.
- Control Buttons: (From top to bottom on the right side of the display)
- Power button
- Play/Pause button
- Input selection button
- Favorites button
Figure 3: Top view of the Naim Uniti Atom's volume dial. The dial features a smooth rotation and an illuminated ring for visual feedback.
6.3. Remote Control
The supplied remote control provides full functionality for navigating menus, selecting sources, controlling playback, and adjusting volume.
6.4. Naim Control App
The Naim Control app is the primary interface for managing your Uniti Atom. It allows you to:
- Browse and select music from various sources (streaming services, network shares, USB).
- Control playback and volume.
- Access and manage settings.
- Create and manage playlists.
6.5. Streaming and Playback
- Spotify Connect: Stream music directly from the Spotify app to your Uniti Atom.
- Apple AirPlay 2: Stream audio from Apple devices and compatible apps.
- Chromecast built-in: Cast audio from Chromecast-enabled apps on your smartphone, tablet, or computer.
- Internet Radio: Access thousands of internet radio stations worldwide.
- UPnP/DLNA: Stream music from network-attached storage (NAS) devices or computers running UPnP servers.
- Bluetooth: Connect Bluetooth-enabled devices for wireless audio playback (aptX HD supported for high-quality audio).
- USB Playback: Connect a USB drive to the front or rear USB port to play stored music files.
7. Maintenance
To keep your Naim Uniti Atom in optimal condition, follow these maintenance guidelines:
- Cleaning: Use the supplied cleaning cloth to gently wipe the exterior surfaces. For stubborn marks, slightly dampen the cloth with water. Avoid using abrasive cleaners, solvents, or chemical sprays.
- Ventilation: Ensure the ventilation grilles are clear of obstructions to allow proper airflow.
- Power Off: If the unit will not be used for an extended period, it is recommended to power it off and disconnect it from the mains supply.
8. Troubleshooting
If you encounter issues with your Uniti Atom, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power / Unit unresponsive | Power cable loose, power outlet off, remote batteries dead. | Check power cable connection. Ensure power outlet is active. Replace remote batteries. Try power cycling the unit by unplugging for 30 seconds. |
| No sound from speakers | Speaker cables loose, incorrect input selected, volume too low, mute engaged. | Verify speaker cable connections and polarity. Select the correct input source. Increase volume. Check if mute is active. |
| Network connection issues | Wi-Fi signal weak, incorrect password, router issue, Ethernet cable disconnected. | Ensure strong Wi-Fi signal or use Ethernet. Re-enter Wi-Fi password. Restart your router. Check Ethernet cable. |
| Remote control not working | Batteries dead, line of sight blocked, remote not paired. | Replace AAA batteries. Ensure no obstructions between remote and unit. Refer to the Naim app or full manual for remote pairing instructions. |
| App not connecting to Uniti Atom | Device and Uniti Atom on different networks, app outdated, unit in standby. | Ensure your mobile device is on the same Wi-Fi network as the Uniti Atom. Update the Naim Control app. Wake the Uniti Atom from standby. |
For more complex issues or if the problem persists, please contact Naim customer support or visit the official Naim website for detailed troubleshooting guides.
9. Specifications
| Attribute | Detail |
|---|---|
| Product Dimensions | 10.5 x 9.7 x 3.8 inches |
| Item Weight | 15.43 pounds |
| Item Model Number | UNITIATOM |
| Batteries | 2 AAA batteries required (included for remote) |
| Brand | Naim |
| Color | Black |
| Special Feature | Roon ready |
| Connectivity Technology | Wi-Fi, Ethernet, Bluetooth |
| Tuner Technology | Internet Radio |
| Style | Compact |
| Power Source | Corded Electric |
| Radio Bands Supported | FM (via Internet Radio services) |
| Water Resistance Level | Not Water Resistant |
10. Warranty and Support
The Naim Uniti Atom comes with a manufacturer's warranty. Please refer to the document pack included with your product for specific warranty terms and conditions. For technical support, service, or further inquiries, please visit the official Naim Audio website or contact their authorized service centers.
Naim Audio Official Website: www.naimaudio.com
