Hiwill Hiwill D20
Hiwill 2.2ch Dolby Soundbar User Manual
Model: Hiwill D20 | Brand: Hiwill
1. Introduction
Thank you for choosing the Hiwill 2.2ch Dolby Soundbar. This soundbar is designed to enhance your audio experience with powerful 200W peak power, 6 drivers (2 subwoofers, 2 tweeters, 2 full-range speakers), and Dolby Audio technology for immersive 3D surround sound. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure you get the most out of your new soundbar.
2. Safety Information
Please read all safety instructions carefully before using this product. Keep this manual for future reference.
- Power Source: Use only the provided power adapter. Ensure the voltage matches your local power supply.
- Ventilation: Do not block any ventilation openings. Maintain adequate space around the soundbar for proper airflow.
- Water and Moisture: Do not expose the soundbar to rain, moisture, or dripping/splashing liquids. Do not place objects filled with liquids, such as vases, on the soundbar.
- Heat: Keep the soundbar away from heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Cleaning: Clean only with a dry cloth. Do not use liquid cleaners or aerosol cleaners.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
3. Package Contents
Verify that all items listed below are included in your package:
- Hiwill Soundbar
- Remote Control (Batteries Not Included)
- Power Adaptor
- HDMI-ARC Cable
- Digital Optical Cable
- 3.5mm to 3.5mm AUX Cable
- User Manual

Figure 3.1: Contents of the Hiwill Soundbar package, showing the soundbar, remote control, power adapter, HDMI-ARC cable, optical cable, and AUX cable.
4. Product Overview
4.1 Front and Side View

Figure 4.1: Front view of the Hiwill Soundbar, positioned in front of a television, highlighting its sleek design and Dolby Audio branding.
4.2 Rear Panel Connections
The rear panel of the soundbar features various input ports for connecting to your TV or other audio devices.

Figure 4.2: Detailed view of the soundbar's rear connection panel, indicating ports for AUX, USB, HDMI ARC, Optical, and DC power input.
4.3 Internal Speaker Configuration
The Hiwill D20 soundbar is equipped with 6 high-sensitivity drivers for a balanced and powerful audio output.
- 2 x Full-range Speakers
- 2 x Woofer Speakers
- 2 x Tweeter Speakers

Figure 4.3: Exploded view illustrating the six internal speaker drivers (full-range, woofers, and tweeters) within the soundbar, designed for high sensitivity and low distortion.
5. Setup and Connections
Follow these steps to connect your Hiwill Soundbar to your television or other audio sources.
5.1 HDMI ARC Connection (Recommended)
HDMI ARC (Audio Return Channel) allows you to control the soundbar volume with your TV remote and provides high-quality audio.
- Locate the HDMI ARC port on your TV. It is usually labeled "HDMI ARC" or "HDMI (ARC)".
- Connect one end of the provided HDMI-ARC cable to the HDMI ARC port on your TV.
- Connect the other end of the HDMI-ARC cable to the ARC port on the soundbar's rear panel.
- Ensure your TV's audio output is set to HDMI ARC or external speakers in its settings menu.

Figure 5.1: Illustration of connecting the soundbar to a TV using an HDMI ARC cable, emphasizing the simplified control with a single remote.
5.2 Optical Connection
Use the optical cable for high-quality digital audio if your TV does not have an HDMI ARC port.
- 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 soundbar's rear panel.
- Ensure your TV's audio output is set to Optical or external speakers in its settings menu.
5.3 AUX Connection
For analog audio devices, use the 3.5mm AUX cable.
- Connect one end of the provided 3.5mm AUX Cable to the headphone jack or AUX Out port on your device (e.g., TV, smartphone, MP3 player).
- Connect the other end of the 3.5mm AUX Cable to the AUX port on the soundbar's rear panel.
5.4 Bluetooth Connection
Connect your mobile devices wirelessly via Bluetooth 5.3.
- Power on the soundbar.
- Press the "Input" button on the remote control or the soundbar to select Bluetooth mode. The LED indicator will flash.
- On your mobile device, enable Bluetooth and search for "Hiwill D20".
- Select "Hiwill D20" to pair. Once connected, the LED indicator will stop flashing and remain solid.

Figure 5.2: Visual representation of a smartphone wirelessly connecting to the soundbar via Bluetooth 5.3, indicating a stable and fast connection.
6. Operating Instructions
6.1 Remote Control Functions
The included remote control allows full command over your soundbar's features.

Figure 6.1: Close-up of the soundbar's remote control, detailing buttons for power, volume adjustment, input selection, equalizer modes (Music, Movie, News), and independent bass/treble controls.
- Power Button: Turns the soundbar on or off.
- Volume +/-: Adjusts the master volume level.
- Input Button: Cycles through input modes (HDMI ARC, Optical, AUX, Bluetooth).
- EQ Modes (Music, Movie, News): Selects optimized sound profiles for different content types.
- Bass +/-: Adjusts the bass level (6 levels).
- Treble +/-: Adjusts the treble level (6 levels).
6.2 Equalizer Modes
Optimize your listening experience with three preset equalizer modes:
- Music Mode: Enhanced for musical playback, providing a balanced soundstage.
- Movie Mode: Designed for cinematic content, emphasizing dialogue clarity and dynamic sound effects.
- News Mode: Optimizes voice clarity for news broadcasts and spoken word content.

Figure 6.2: Visual representation of the three optimized equalizer modes: News, Movie, and Music, each tailored for specific audio content.
7. Maintenance
Proper care will ensure the longevity and performance of your soundbar.
- Cleaning: Use a soft, dry, lint-free cloth to clean the surface of the soundbar. Do not use abrasive cleaners, waxes, or solvents.
- Dust: Regularly dust the soundbar to prevent accumulation, which can affect performance.
- Placement: Avoid placing the soundbar in direct sunlight, near heat sources, or in areas with high humidity.
- Power Cord: Always handle the power cord by the plug, not by pulling the cord itself.
8. Troubleshooting
If you encounter issues with your soundbar, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No Sound |
|
|
| Bluetooth Disconnection |
|
|
| Remote Control Not Working |
|
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| Sound Distortion |
|
|
9. Specifications
Detailed technical specifications for the Hiwill D20 Soundbar.
| Feature | Description |
|---|---|
| Model Name | Hiwill D20 Dolby Soundbar |
| Speaker Type | Soundbar |
| Surround Sound Channel Configuration | 2.2 |
| Speaker Maximum Output Power | 200 Watts (Peak) |
| Number of Drivers | 6 (2 Full-range, 2 Woofers, 2 Tweeters) |
| Connectivity Technology | Bluetooth 5.3 / HDMI-ARC / AUX / Optical |
| Bluetooth Range | 10 Meters |
| Frequency Response | 20 KHz |
| Impedance | 4 Ohm |
| Product Dimensions (D x W x H) | 4.9"D x 35.4"W x 2.5"H |
| Item Weight | 7.9 Pounds |
| Material | Plastic |
| Color | Black |
| Control Method | Remote Control |
| Power Source | Corded Electric |
10. Warranty and Support
Hiwill provides lifetime friendly customer service for this product. For any questions, technical support, or warranty claims, please contact Hiwill customer service through the retailer's platform or the official Hiwill website.
Please retain your proof of purchase for warranty purposes.
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