1. Introduction
The VSSL A.6X is a high-performance 12-channel, 6-zone audio streaming amplifier designed to deliver exceptional sound throughout your home. It allows for independent audio streaming to up to six distinct zones or synchronized playback across multiple zones. With native support for popular streaming protocols and voice assistants, the A.6X integrates seamlessly into modern smart home environments.
Key features include:
- Six-Zone Independent Streaming: Play different audio sources in up to six rooms simultaneously or group zones for unified playback.
- Native Streaming Support: Built-in AirPlay 2, Google Cast, Spotify Connect, and Bluetooth v4.2 for direct streaming from your favorite apps and devices.
- Wide Service Compatibility: Seamlessly supports Amazon Music, Apple Music, Spotify, YouTube Music, Pandora, Deezer, Tidal, and SoundCloud.
- Comprehensive Matrixed I/O: Six analog inputs, plus optical, IR, and network inputs; six analog outputs and network output for versatile system integration.
- High-Power Amplification: Class D amplifier delivering 50 W per channel at 8 Ω (75 W per channel at 4 Ω) across 12 channels.
- Studio-Grade Sound Tuning: Features a 7-band adjustable EQ, >101 dB signal-to-noise ratio, and 20 Hz–50 kHz frequency response.
- Rack-Mountable Design: Slim 2U form factor (17” W × 3.46” H × 14” D) with auto-switching power for global use.
2. Setup
2.1 Unboxing and Initial Inspection
Carefully remove the VSSL A.6X amplifier from its packaging. Inspect the unit for any signs of damage during transit. Ensure all included accessories are present.
2.2 Physical Connections
Before connecting the A.6X to power, ensure all audio and network connections are securely made.
- Speaker Connections: Connect your speakers to the appropriate zone outputs on the rear panel. The A.6X supports 12 channels across 6 zones. Ensure correct polarity (+ to + and - to -).
- Analog Inputs: Utilize the six matrixed analog inputs (RCA) for connecting external audio sources such as CD players, turntables (with a pre-amp), or other audio devices.
- Optical Input: Connect digital audio sources via the optical input.
- Network Connection: For optimal performance and access to streaming features, connect the A.6X to your home network using an Ethernet cable.
- IR Input: For integration with external control systems.
- Power Connection: Once all other connections are made, connect the power cord to the A.6X and then to a suitable power outlet. The unit features 115–230 VAC auto-switching power.
Figure 2.1: Front view of the VSSL A.6X amplifier.
Figure 2.2: Rear view of the VSSL A.6X amplifier with detailed input and output connections for six zones.
2.3 Network Configuration and App Setup
The VSSL A.6X requires network connectivity for streaming and control. Download the latest VSSL mobile application (V1.3 or newer) from your device's app store. Follow the in-app instructions to discover and configure your A.6X unit on your network. This app facilitates effortless setup and control of all VSSL products.
Figure 2.3: The new VSSL Mobile App (V1.3) for effortless setup and control.
3. Operating the VSSL A.6X
3.1 Streaming Music
The VSSL A.6X supports native streaming directly from your favorite music applications without the need for third-party software. Simply open your preferred music app and select the VSSL A.6X as the output device.
- AirPlay 2: For Apple devices, select the A.6X from the AirPlay menu in any audio-playing app.
- Google Cast (Chromecast built-in): For Android devices and Chrome browsers, cast audio to the A.6X from compatible apps.
- Spotify Connect: Within the Spotify app, select the A.6X as a Spotify Connect device.
- Bluetooth: Pair your Bluetooth-enabled device with the A.6X for direct audio streaming.
Figure 3.1: The VSSL A.6X seamlessly integrates with popular streaming services.
3.2 Multi-Zone Audio Control
The A.6X allows for flexible audio distribution across its six zones:
- Independent Zones: Each zone can play a different audio source simultaneously, allowing for personalized listening experiences in various rooms.
- Grouped Zones: Combine multiple zones to play the same audio source in perfect synchronization, ideal for parties or whole-home audio. Control grouping via the VSSL mobile app.
3.3 Voice Control Integration
The VSSL A.6X is compatible with Amazon Alexa and Google Assistant, enabling convenient voice control over your music playback. Simply link your A.6X to your preferred voice assistant platform and use voice commands to play music, adjust volume, or switch sources in any zone.
Figure 3.2: Native streaming and voice control capabilities of the VSSL A.6X.
Figure 3.3: The VSSL A.6X works seamlessly with Amazon Alexa for voice control.
4. Maintenance
To ensure the longevity and optimal performance of your VSSL A.6X amplifier, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Avoid abrasive cleaners or solvents. Ensure the unit is powered off and unplugged before cleaning.
- Ventilation: Ensure adequate airflow around the amplifier. Do not block ventilation openings. Maintain proper spacing if rack-mounting to prevent overheating.
- Software Updates: Regularly check the VSSL mobile app for firmware updates. Keeping the software updated ensures access to the latest features, performance improvements, and bug fixes.
- Cable Management: Periodically check all cable connections to ensure they are secure and free from damage.
5. Troubleshooting
If you encounter issues with your VSSL A.6X, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cord disconnected; power outlet issue | Ensure power cord is securely connected. Test the outlet with another device. |
| No sound from speakers | Incorrect speaker wiring; wrong source selected; amplifier in standby | Check speaker connections and polarity. Verify the correct input source is selected in the app. Ensure the amplifier is powered on. |
| Cannot connect to network/app | Ethernet cable issue; network configuration problem; outdated app | Check Ethernet cable connection. Restart your router and the A.6X. Ensure your mobile app is the latest version (V1.3 or newer). Verify network settings in the app. |
| Audio dropouts or stuttering | Weak Wi-Fi signal (if using Wi-Fi bridge); network congestion | Ensure a strong, stable network connection. Consider a wired Ethernet connection for critical applications. Reduce network traffic. |
| Volume issues (e.g., resets to default) | Default on Volume feature enabled | Check the 'Default on Volume' setting in the VSSL app. If it's causing undesired behavior, disable it. |
| Unit not responding to commands | Software glitch; temporary error | Perform a power cycle (unplug for 30 seconds, then plug back in). Check for app updates. |
If the issue persists after attempting these steps, please contact VSSL customer support for further assistance.
6. Specifications
Detailed technical specifications for the VSSL A.6X amplifier:
Figure 6.1: VSSL A.6X Specifications overview.
| Feature | Detail |
|---|---|
| Model Number | A.6x |
| Zones | 6 |
| Channels | 12 |
| Amplifier Type | Class D |
| Power Output (8 Ω) | 50 W per channel RMS |
| Power Output (4 Ω) | 75 W per channel RMS |
| Inputs | 6 Matrixed Analog (RCA), 1 Optical, 1 IR, 1 Network (Ethernet) |
| Wireless Inputs | AirPlay 2, Chromecast built-in, Spotify Connect, Alexa Cast, Bluetooth v4.2 |
| Outputs | 6 Matrixed Analog (RCA), 1 Network (Ethernet) |
| Equalizer | 7-band adjustable EQ |
| Signal-to-Noise Ratio (S/N) | >101 dB |
| Frequency Response | 20 Hz–50 kHz |
| Rack Space | 2U |
| Operating Voltage | 115–230 VAC 50/60 Hz auto switch |
| Dimensions (W x H x D) | 17” x 3.46” x 14” (without feet) 17” x 4.7” x 14” (with feet) |
| Item Weight | 24 pounds |
| Connectivity Technology | Bluetooth, Ethernet |
| Controller Type | Amazon Alexa, Google Assistant |
| Audio Output Mode | Stereo, Surround |
| Color | Black |
7. Warranty and Support
The VSSL A.6X amplifier is manufactured by VSSL. For specific warranty information, terms, and conditions, please refer to the documentation included with your product or visit the official VSSL website. Warranty details can vary by region and purchase location.
For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact VSSL customer support directly. You can typically find contact information on the VSSL website or through your authorized dealer.
VSSL Brand Store: Visit the VSSL Store on Amazon
