1. Introduction
This manual provides essential instructions for the safe and efficient operation of your Hiwill HiElite A21 2.1CH Dolby Atmos Soundbar with Subwoofer. Please read this manual thoroughly before using the product and retain it for future reference.
2. Safety Information
- Do not expose the device to rain, moisture, or extreme temperatures.
- Ensure proper ventilation around the soundbar and subwoofer.
- Use only the provided power adapter.
- Do not attempt to disassemble or modify the unit. Refer all servicing to qualified personnel.
- Keep out of reach of children.
3. Package Contents
Verify that all items are present in the package:
- Hiwill HiElite A21 Soundbar
- Wired Subwoofer
- Remote Control (with batteries)
- Power Adapter
- HDMI ARC/eARC Cable
- Digital Optical Cable
- Stereo 3.5mm to 3.5mm Audio Cable
- Wall Mounted Kit
- User Manual (this document)
4. Product Overview
4.1 Soundbar and Subwoofer
The Hiwill HiElite A21 system includes a soundbar and a wired subwoofer to deliver a comprehensive audio experience.

Image: The Hiwill HiElite A21 soundbar and its wired subwoofer positioned next to a television, illustrating the complete home theater audio system.
4.2 Rear Panel Connections
The rear panel of the soundbar features various ports for connecting to your audio sources.

Image: A detailed view of the soundbar's rear panel, highlighting the eARC/ARC, Optical, USB, AUX, DC IN, and Bass Out ports.
- eARC/ARC: HDMI port for enhanced audio return channel or audio return channel connection to a TV.
- OPTICAL: Optical digital audio input.
- USB: USB port for firmware updates or media playback.
- AUX: 3.5mm auxiliary audio input.
- DC IN: Power input for the soundbar.
- BASS OUT: Output for connecting the wired subwoofer.
5. Setup
5.1 Physical Placement
Position the soundbar centrally below your television. Place the wired subwoofer on the floor near the soundbar for optimal bass response.

Image: A living room setup showing the soundbar positioned below a wall-mounted TV and the subwoofer placed on the floor beside a media console.
5.2 Connecting to Your TV or Audio Source
Choose the appropriate connection method based on your TV's capabilities and desired audio quality.
| 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 | ★☆☆☆☆ |
Table: Comparison of various connection methods, their audio quality, Dolby Atmos support, and overall recommendation rating.
HDMI eARC/ARC Connection (Recommended)
For the best audio quality and TV remote control integration, connect your TV to the soundbar using the HDMI eARC/ARC port.
- Connect one end of the HDMI cable to the eARC/ARC port on the soundbar.
- Connect the other end to the HDMI ARC/eARC port on your TV.
- Ensure your TV's HDMI-CEC (Consumer Electronics Control) feature is enabled (often called Anynet+, Bravia Sync, etc.).

Image: A visual representation of connecting the soundbar to a TV via an HDMI eARC cable, highlighting the port on the soundbar.
Optical Connection
Use the optical cable for digital audio if your TV does not support HDMI ARC/eARC.
- Connect one end of the optical cable to the OPTICAL port on the soundbar.
- Connect the other end to the Optical Digital Audio Out port on your TV.
AUX Connection
For analog audio sources, use the 3.5mm AUX cable.
- Connect one end of the 3.5mm audio cable to the AUX port on the soundbar.
- Connect the other end to the Headphone Out or Audio Out port on your device.
Subwoofer Connection
- Connect the subwoofer cable to the BASS OUT port on the soundbar.
- Connect the other end of the subwoofer cable to the corresponding input on the wired subwoofer.
5.3 Power Connection
- Connect the power adapter to the DC IN port on the soundbar.
- Plug the power adapter into a wall outlet.
6. Operation
6.1 Power On/Off
Press the power button on the soundbar or the remote control to turn the unit on or off.
6.2 Input Selection
Press the 'INPUT' button on the remote control or the soundbar to cycle through available input sources (HDMI eARC/ARC, Optical, USB, AUX, Bluetooth).
6.3 Volume Control
Use the 'VOL+' and 'VOL-' buttons on the remote control or soundbar to adjust the master volume.
6.4 Sound Adjustments
The HiElite A21 allows for customization of your audio experience.

Image: The remote control with a visual slider indicating treble adjustment from -6 to +6, demonstrating how to fine-tune high frequencies.

Image: A close-up of the subwoofer with a visual slider indicating bass adjustment from -6 to +6, illustrating how to control low frequencies.
- Treble Adjustment: Use the 'TRE+' and 'TRE-' buttons on the remote to adjust the treble levels.
- Bass Adjustment: Use the 'BAS+' and 'BAS-' buttons on the remote to adjust the bass levels.
- EQ Modes: Press the 'MUSIC', 'MOVIE', or 'NEWS' buttons on the remote to select optimized sound profiles for different content types.

Image: A television screen displaying icons for 'Movie', 'Music', and 'News' EQ modes, with the soundbar positioned below, indicating content-specific sound optimization.
6.5 Bluetooth Pairing
To connect a Bluetooth device:
- Switch the soundbar input to 'BT' (Bluetooth). The display will indicate pairing mode.
- On your mobile device, enable Bluetooth and search for 'HiElite A21'.
- Select 'HiElite A21' to pair. Once connected, the soundbar will confirm.

Image: An illustration showing a smartphone connected via Bluetooth to the soundbar, demonstrating the wireless audio streaming capability.
6.6 Automatic Screen Rest
The soundbar's display will automatically turn off after 30 seconds of inactivity to reduce glare and power consumption.

Image: The soundbar on a surface with a book, showing its display dimming and turning off after 30 seconds, indicating the automatic screen rest feature.
7. Firmware Updates
Hiwill provides continuous firmware updates to enhance performance and introduce new features. Contact Hiwill customer service directly to obtain the latest firmware and instructions for updating your device.

Image: A graphic depicting two circular arrows symbolizing a firmware upgrade process, with text highlighting features like enhanced sound quality, smart memory function, and reduced default volume.
8. Troubleshooting
- No Power: Ensure the power adapter is securely connected to both the soundbar and a working power outlet.
- No Sound:
- Check that the correct input source is selected on the soundbar.
- Verify that the volume is not muted or set too low on both the soundbar and your TV/audio source.
- Ensure all audio cables are securely connected.
- If using HDMI ARC/eARC, confirm that your TV's HDMI-CEC feature is enabled.
- Distorted Sound:
- Reduce the volume.
- Check cable connections for any damage or loose fit.
- Try a different audio source to isolate the issue.
- Bluetooth Pairing Issues:
- Ensure the soundbar is in Bluetooth pairing mode.
- Move your Bluetooth device closer to the soundbar.
- Clear the Bluetooth pairing list on your device and try pairing again.
- TV Remote Not Controlling Soundbar (HDMI ARC/eARC):
- Confirm your TV's HDMI-CEC (e.g., Anynet+, Bravia Sync) is enabled.
- Ensure the HDMI cable is connected to the correct ARC/eARC port on both devices.
9. Maintenance
- Clean the soundbar and subwoofer with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Keep the ventilation openings clear of dust and debris.
- Store the unit in a cool, dry place when not in use for extended periods.
10. Specifications
| Feature | Specification |
|---|---|
| Model Name | HiElite A21 |
| Speaker Type | Soundbar with Wired Subwoofer |
| Surround Sound Channel Configuration | 2.1 |
| Audio Output Mode | Dolby Atmos |
| Speaker Maximum Output Power | 200 Watts |
| Subwoofer Diameter | 5.25 Inches |
| Frequency Response | 20 KHz |
| Connectivity Technology | Auxiliary, Bluetooth 5.3, HDMI eARC/ARC, Optical, USB |
| Wireless Communication Technology | Bluetooth 5.3 |
| Bluetooth Range | 10 Meters |
| Control Method | Remote |
| Product Dimensions (Soundbar) | 4.45"D x 16.38"W x 2.36"H |
| Item Weight | 10.65 pounds (total system) |
| Power Source | Corded Electric |
11. Warranty and Support
The Hiwill HiElite A21 Soundbar with Subwoofer comes with a limited warranty. For specific warranty terms and conditions, please refer to the documentation included with your purchase or contact Hiwill customer service.
For technical support, firmware updates, or any inquiries, please contact Hiwill customer service directly. Contact information can typically be found on the official Hiwill website or in your product packaging.





