Introduction
The NAD C 700 BluOS Streaming Amplifier is a compact, high-performance audio component designed to deliver exceptional sound quality and versatile streaming capabilities. It integrates a powerful amplifier with a BluOS network streamer, allowing access to a wide range of music services, internet radio, and local music libraries. Its intuitive interface and robust connectivity options make it a central hub for modern audio systems.

Figure 1: Front view of the NAD C 700 BluOS Streaming Amplifier, showcasing its display and control knob.
Safety Information
- Read all instructions before operating the device.
- Keep the unit away from water, moisture, and direct sunlight.
- Ensure proper ventilation; do not block any ventilation openings.
- Use only attachments/accessories specified by the manufacturer.
- Unplug the unit during lightning storms or when unused for long periods.
- Refer all servicing to qualified service personnel.
Package Contents
Verify that all items listed below are included in your package:
- NAD C 700 BluOS Streaming Amplifier
- Power Cord
- Quick Setup Guide
- Safety and Warranty Information
Setup
1. Physical Connections
Before connecting the unit, ensure it is powered off and unplugged from the mains.

Figure 2: Rear panel of the NAD C 700, showing various input and output ports.
- Speaker Connections: Connect your passive speakers to the speaker terminals on the rear panel. Ensure correct polarity (+ to + and - to -) for optimal sound.
- Analog Inputs: For external analog sources (e.g., CD player, turntable with phono preamp), use the ANALOG IN 1 or ANALOG IN 2 RCA ports.
- Digital Inputs: Connect digital sources (e.g., TV, game console) using the OPTICAL or COAXIAL inputs. The HDMI eARC port allows for audio return from compatible TVs.
- Subwoofer Output: If using an external subwoofer, connect it to the SUBW OUT port.
- Pre-Out: For connecting to an external power amplifier, use the PRE OUT RCA ports.
- USB: Connect USB storage devices for local music playback.
2. Network Connection
- Wired (Ethernet): For the most stable connection, connect an Ethernet cable from your router to the LAN port on the C 700.
- Wireless (Wi-Fi): The C 700 supports Wi-Fi connectivity. During initial setup via the BluOS app, you will be prompted to connect to your wireless network.
3. Initial Power On
After all connections are made, plug the power cord into the C 700 and then into a wall outlet. The unit will power on and display the NAD logo.
4. BluOS App Installation
To fully control and configure your C 700, download the BluOS Controller app on your smartphone or tablet (iOS or Android). The app is available on the Apple App Store and Google Play Store. Follow the in-app instructions to discover and set up your C 700 on your network.

Figure 3: Close-up of the C 700's front display, showing source selection options.
Operating Instructions
Front Panel Controls
- Display: The front panel features a high-resolution color display showing current source, track information, album art, or VU meters.
- Control Knob: Rotate to adjust volume. Press to access menus and confirm selections.
- Navigation Buttons: Use the left and right buttons below the knob to navigate menus or skip tracks.
BluOS App Usage
The BluOS app provides comprehensive control over the C 700:
- Music Services: Access integrated streaming services like Tidal, Spotify, Amazon Music, and more.
- Internet Radio: Browse and play thousands of internet radio stations.
- Local Library: Play music from network shares (NAS) or connected USB drives.
- Source Selection: Easily switch between analog, digital, HDMI, and streaming inputs.
- Settings: Configure network settings, audio preferences, display options, and perform firmware updates.
Display Options
The C 700's display can be customized:
- Album Art: Displays album artwork and track information for streaming content.
- VU Meters: Shows classic analog-style volume meters, providing a visual representation of audio levels. This can be set per source.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior. Do not use liquid cleaners or aerosols.
- Software Updates: Regularly check for and install firmware updates via the BluOS app to ensure optimal performance and access to new features.
- Ventilation: Ensure the unit has adequate space around it for proper airflow to prevent overheating.
Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| No power | Check power cord connection. Ensure wall outlet is active. |
| No sound output | Verify speaker connections. Check source selection. Ensure volume is not muted or too low. Confirm correct input on the C 700. |
| Cannot connect to network / BluOS app | Ensure Ethernet cable is connected or Wi-Fi credentials are correct. Restart router and C 700. Check if the BluOS app is updated. |
| Display issues (e.g., frozen, incorrect display) | Restart the unit by unplugging and re-plugging the power cord. Ensure firmware is up to date. |
| Intermittent audio dropouts | Check network stability. For Wi-Fi, try moving the unit closer to the router or use a wired connection. |
Specifications
| Feature | Detail |
|---|---|
| Brand | NAD |
| Model Number | C700 |
| Connectivity Technology | Bluetooth, Wi-Fi, USB, Ethernet, HDMI |
| Controller Type | Control4, Amazon Alexa, iOS, Android |
| Special Features | Tidal, Equalizer, Spotify |
| Compatible Devices | Smartphone, Speaker |
| Total HDMI Ports | 1 (eARC) |
| Connector Type | USB, HDMI, RCA, Optical, Coaxial, Speaker Terminals |
| Audio Output Mode | Stereo |
| Color | Black |
| Item Weight | 10.03 pounds |
| Package Dimensions | 13.66 x 12.48 x 8.66 inches |
Warranty and Support
The NAD C 700 BluOS Streaming Amplifier comes with a manufacturer's warranty. Please refer to the included warranty card or visit the official NAD website for detailed warranty terms and conditions. For technical support, troubleshooting assistance, or service inquiries, please contact NAD customer support through their official channels.
For more information, visit the NAD Store on Amazon.





