Introduction
Welcome to the user manual for your new Hiwill Nimbus A312 Dolby Atmos Soundbar. This manual provides detailed instructions to help you set up, operate, and maintain your soundbar system, ensuring you get the best possible audio experience. Please read this manual thoroughly before using the product.
Image: The Hiwill Nimbus A312 soundbar and its wireless subwoofer positioned in front of a television, showcasing the complete home theater audio system.
Important Safety Instructions
- Read these instructions.
- Keep these instructions.
- Heed all warnings.
- Follow all instructions.
- Do not use this apparatus near water.
- Clean only with dry cloth.
- Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
- Only use attachments/accessories specified by the manufacturer.
- Unplug this apparatus during lightning storms or when unused for long periods of time.
- Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
What's in the Box
Verify that all components are present in the packaging:
- Hiwill Nimbus A312 Soundbar
- Wired Subwoofer
- Remote Control
- Remote Control Battery
- HDMI eARC Cable
- Digital Optical Cable
- Stereo 3.5mm to 3.5mm Audio Cable
- Wall Mounted Kit
- Power Cable
- User Manual (this document)
Key Features
- True Immersive Upgraded 3.1.2CH Soundbar System: Features two exclusive side tweeters and a dedicated center tweeter for an expanded soundstage, precise overhead effects, and deep bass.
- Dolby Atmos Support: Redefines dimensional audio for a theater-like experience with lifelike audio and overhead effects.
- Up-Firing Drivers: Two skyward drivers project stunning overhead sound, creating an expansive, three-dimensional soundstage.
- 3 Premium Tweeters: Includes two side tweeters to significantly expand the horizontal soundstage, optimizing treble and midrange for immersive, dynamic audio.
- HXS Processing (ClearVoice Technology): Enhances dialogue clarity with advanced racetrack drivers for balanced, cinematic-quality sound.
- Advanced Materials: Equipped with copper shorting ring, aluminum-magnesium diaphragms, and embedded neodymium iron-boron magnets for superior, distortion-free sound.
- Versatile EQ Modes: PureSound, Movie, Music, and News modes allow sound customization.
- Multiple Connectivity Options: Supports eARC, ARC, Optical, Bluetooth 5.3, AUX, and USB for seamless integration.
Image: The Hiwill Nimbus A312 soundbar in a living room setting, highlighting its 400W Peak Power capability with visual effects of sound waves.
Image: Diagram illustrating the upward sound projection from the two up-firing drivers of the Hiwill Nimbus A312 soundbar, creating an immersive 3D sound experience.
Image: Diagram showing sound dispersion from the two side tweeters of the Hiwill Nimbus A312 soundbar, indicating a super-expansive soundstage.
Image: An exploded view of the Hiwill Nimbus A312 subwoofer, revealing its internal components and emphasizing its ground-shaking bass capabilities.
Setup Guide
1. Placement
Place the soundbar on a stable, flat surface directly in front of your TV, or mount it on the wall below your TV using the provided wall mount kit. Ensure the up-firing speakers are not obstructed. Position the wired subwoofer near the soundbar, ideally on the same side as the soundbar's subwoofer output port.
2. Connections
The Hiwill Nimbus A312 offers multiple connection options. For the best audio quality and Dolby Atmos support, HDMI eARC is recommended.
| Connection Method | Audio Quality | Supports Dolby Atmos | Recommendation Rating |
|---|---|---|---|
| HDMI eARC | Best (uncompressed high-res audio) | Fully supported | ★★★★★ |
| HDMI ARC | Good (compressed audio) | Partially supported | ★★★★☆ |
| Optical | Fair (compressed audio) | Not supported | ★★★☆☆ |
| Bluetooth | Fair (wireless transmission) | Not supported | ★★☆☆☆ |
| AUX | Poor (stereo audio) | Not supported | ★☆☆☆☆ |
Note: "Partially supported" for HDMI ARC means that HDMI ARC can only support Atmos transmitted via Dolby Digital Plus, but not Dolby TrueHD Atmos.
HDMI eARC/ARC Connection (Recommended)
- Connect one end of the provided HDMI eARC cable to the HDMI eARC/ARC port on your TV.
- Connect the other end of the HDMI eARC cable to the eARC/ARC port on the Hiwill soundbar.
- Ensure your TV's audio output settings are configured to use the HDMI ARC/eARC port and set to "Passthrough" for optimal Dolby Atmos experience.
Optical Connection
- Connect one end of the provided Digital Optical Cable to the Optical Out port on your TV.
- Connect the other end of the Digital Optical Cable to the OPTICAL port on the Hiwill soundbar.
- Ensure your TV's audio output settings are configured to use the Optical Out port.
Bluetooth Connection
- Power on the soundbar.
- Press the "INPUT" button on the remote control or soundbar to switch to Bluetooth mode (display will show "BT").
- On your mobile device, search for "Hiwill A312" in the Bluetooth settings and pair.
AUX Connection
- Connect one end of the provided 3.5mm audio cable to the headphone jack or AUX output of your device.
- Connect the other end to the AUX port on the Hiwill soundbar.
- Press the "INPUT" button on the remote control or soundbar to switch to AUX mode (display will show "AUX").
3. Power On
Connect the power cable to the soundbar and then to a power outlet. The subwoofer is wired to the soundbar and will power on automatically when the soundbar is powered.
Operating Instructions
Remote Control Functions
Image: The remote control for the Hiwill Nimbus A312 soundbar, showing buttons for power, volume, input selection, EQ modes, and bass/treble adjustments.
- Power Button: Turns the soundbar on or off.
- Input Button: Cycles through input sources (eARC/ARC, Optical, Bluetooth, AUX, USB).
- Volume +/-: Adjusts the main volume level.
- EQ Modes:
- PureSound: Flat, balanced sound profile.
- Movie: Enhanced bass and surround effects for films.
- Music: Optimized for music playback.
- News: Enhances dialogue clarity.
- Bass +/-: Adjusts the subwoofer bass level.
- Treble +/-: Adjusts the treble level.
- 3D Button: Activates 3D sound mode for an immersive experience.
- Play/Pause: Controls media playback in Bluetooth/USB mode.
- Prev/Next: Skips tracks in Bluetooth/USB mode.
Image: A user interacting with the Hiwill Nimbus A312 soundbar, showing the various EQ modes (Game/Movie, Music, News) available for selection.
Image: A couple enjoying a movie with the Hiwill Nimbus A312 soundbar, illustrating the clarity provided by HXS Processing and its three tweeters.
Firmware Update Guide
Keeping your soundbar's firmware updated ensures optimal performance and access to new features, such as personalized memory function and improved sound quality. This guide is applicable for models A41, A51, A21, A502, A41PRO, A51PRO, A312, and A512.
Video: Official Hiwill Firmware Update Guide for various soundbar models, including the A312. This video demonstrates the step-by-step process of updating the soundbar's firmware using a USB flash drive.
- Step 1: Download Firmware
Download the latest firmware file (e.g., "spupdate.bin") from the official Hiwill support website. Place this file in the root directory of a USB flash drive. - Step 2: Prepare Soundbar
Turn on your soundbar (or restart it if it's already on) and switch its input mode to USB. - Step 3: Insert USB
Insert the USB flash drive containing the firmware into the USB port on the soundbar. - Step 4: Initiate Update
Press and hold the "Play/Pause" button on the remote control until a number (e.g., 99) is displayed on the soundbar's screen. Continue holding until "HI" appears, indicating a successful firmware update. - After Installation: Unplug the power supply, wait a few seconds, and then plug it back in. This ensures the firmware is fully applied and the installation is successful.
- TV Audio Settings: After the upgrade, check your TV's audio output settings and set it to "PASSTHROUGH". Go to: TV Settings > Sound > Audio Processing > Select "Off" > Digital Audio Output > Select "Passthrough".
- Final Step: Restart the soundbar to enjoy the upgraded sound!
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from soundbar. | Incorrect input selected; cables loose; TV audio settings incorrect. | Ensure correct input is selected (e.g., eARC, Optical). Check all cable connections. Verify TV audio output is set to external speakers or "Passthrough". |
| Distorted sound. | Volume too high; incorrect EQ mode; poor source quality. | Reduce volume. Try different EQ modes. Test with a different audio source. |
| Subwoofer not producing bass. | Subwoofer not connected or powered; bass level too low. | Ensure subwoofer is properly connected to the soundbar and powered. Increase bass level using the remote. |
| Remote control not working. | Batteries dead or inserted incorrectly; obstruction between remote and soundbar. | Replace batteries. Ensure line of sight to the soundbar's sensor. |
| Sound cuts out intermittently. | Interference (Bluetooth); cable issue; TV audio setting conflict. | Move soundbar away from other wireless devices. Check cable integrity. Ensure TV audio output is set to "Passthrough" (especially after firmware update). |
Technical Specifications
| Feature | Detail |
|---|---|
| Model Name | A312 |
| Speaker Type | Soundbar with Wired Subwoofer |
| Channels | 3.1.2CH Dolby Atmos |
| Peak Power | 400 Watts |
| Frequency Response | 20 Hz - 20 KHz |
| Connectivity Technology | HDMI eARC/ARC, Optical, Bluetooth 5.3, AUX, USB |
| Subwoofer Diameter | 5.25 Inches |
| Product Dimensions (Soundbar) | 23.23"D x 4.65"W x 2.4"H |
| Item Weight | 8.8 pounds (4 Kilograms) |
| Mounting Type | Wall-mounted or tabletop |
| Control Method | Remote Control |
Care and Maintenance
- Cleaning: Use a soft, dry cloth to clean the surfaces of the soundbar and subwoofer. Do not use liquid cleaners or aerosol sprays.
- Ventilation: Ensure that the ventilation openings on the soundbar and subwoofer are not blocked to prevent overheating.
- Storage: If storing the unit for an extended period, unplug it from the power outlet and store it in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Moisture: Keep the soundbar and subwoofer away from water, rain, and excessive humidity.
Warranty and Support
The Hiwill Nimbus A312 Soundbar comes with a Limited Warranty. For specific warranty terms and conditions, please refer to the warranty card included in your product packaging or visit the official Hiwill website.
For technical support, troubleshooting assistance, or to inquire about firmware updates, please contact Hiwill Customer Service. You can often find contact information on the official Hiwill website or through your purchase platform.
Manufacturer: Hiwill
Model Number: A312
Date First Available: December 4, 2024
