1. Introducció
Gràcies per la compraasing the Hiwill 5.1ch Dolby Sound Bar. This system is designed to provide an immersive home theater experience with powerful surround sound. It includes a sound bar, a wired subwoofer, and two wired surround speakers, offering versatile connectivity options for your smart TV, gaming console, PC, and other devices.
Key features include Dolby Audio enhancement for clear sound, a 6.5-inch wired subwoofer for deep bass, 12-level adjustable bass and treble, three EQ modes (Music, Movie, News), and multiple input options such as HDMI ARC, Optical, AUX, and Bluetooth 5.3.

Figura 1.1: Mésview of the Hiwill 5.1ch Dolby Sound Bar system, including the main sound bar unit, the dedicated wired subwoofer, and two compact wired surround speakers.
2. Informació de seguretat
Si us plau, llegiu atentament totes les instruccions de seguretat abans d'utilitzar aquest producte. Conserveu aquest manual per a futures consultes.
- Font d'alimentació: Only use the power adapter supplied with the unit. Ensure the voltage coincideix amb la vostra font d'alimentació local.
- Ventilació: No bloquegeu cap obertura de ventilació. Instal·leu-ho d'acord amb les instruccions del fabricant.
- Aigua i humitat: Do not expose this appliance to rain, moisture, dripping, or splashing. Do not place objects filled with liquids, such as vases, on the apparatus.
- Calor: No instal·leu a prop de cap font de calor com ara radiadors, registres de calor, estufes o altres aparells (inclosos amplificadors) que produeixen calor.
- cables: Eviteu que el cable d'alimentació sigui trepitjat o pessigat, especialment als endolls, els endolls i el punt on surten de l'aparell.
- Neteja: Netegeu només amb un drap sec.
- Manteniment: No intenteu atendre aquest producte vosaltres mateixos. Consulteu tots els serveis a personal de servei qualificat.
3. Guia de configuració
3.1. Contingut del paquet
Before beginning installation, please check the contents of your package:
- Barra de so
- Subwoofer
- 2x Surround Speakers
- Comandament a distància (piles no incloses)
- Adaptador d'alimentació
- HDMI-ARC Cable
- Cable òptic digital
- Cable d'àudio de 3.5 mm (AUX)
- Kit de muntatge a la paret
- Manual d'usuari (aquest document)
3.2. Col·locació
For optimal sound performance, consider the following placement guidelines:
- Barra de so: Place the sound bar centrally below your TV, either on a TV stand or mounted on the wall.
- subwoofer: Position the subwoofer on the floor, preferably in a corner or near a wall, to enhance bass response.
- Altaveus envoltants: Place the two surround speakers behind your listening position, to the left and right, for an immersive 5.1 channel experience. Ensure they are connected to the main sound bar unit.

Figure 3.1: Recommended speaker placement for an immersive 3D surround sound experience within your room.
3.3. Connexions
Follow these steps to connect your sound bar system:
- Connecteu el subwoofer: Plug one end of the power cable into the subwoofer, then connect the 2-in-1 cable from the subwoofer to the "BASS OUT" port on the sound bar.
- Connect Surround Speakers: Connect the wired surround speakers to the "SR OUT" (Surround Right) and "SL OUT" (Surround Left) ports on the back of the sound bar.
- Connexió d'alimentació: Connect the power adapter to the "DC IN" port on the sound bar, then plug it into a wall outlet.
- Audio Connection to TV/Device: Trieu un dels mètodes següents:
- HDMI ARC (recomanat): Connect one end of the HDMI cable to the "ARC" port on the sound bar and the other end to the "HDMI ARC" port on your TV. This allows your TV remote to control the sound bar's power and volume.
- Òptic: Connect the optical cable to the "OPTICAL" port on the sound bar and the optical output port on your TV.
- AUX: Connect the 3.5mm audio cable to the "AUX" port on the sound bar and the headphone/audio output jack on your TV or device.
- USB: Insert a USB drive into the "USB" port for direct audio playback.

Figura 3.2: Detallada view of the sound bar's rear connection panel, highlighting various input and output ports for seamless integration with your entertainment system.

Figure 3.3: Step-by-step guide for connecting the wired subwoofer to the sound bar system.
4. Instruccions de funcionament
4.1. Funcions de control remot
The included remote control provides full command over your sound bar system. Insert 2x AAA batteries (not included) into the remote before use.

Figure 4.1: The multi-function remote control for the Hiwill sound bar, allowing comprehensive audio adjustments and mode selection.
- Botó d'encesa: Encén o apaga la barra de so.
- Volum +/-: Ajusta el nivell de volum principal.
- Botó EQ: Cycles through preset equalizer modes: Music, Movie, News.
- Botó d'entrada: Selects the audio input source (HDMI ARC, Optical, AUX, USB, Bluetooth).
- TRE +/-: Adjusts the treble level (12 levels).
- BAS +/-: Adjusts the bass level (12 levels).
- R.VOL +/- (Surround Volume): Adjusts the volume of the rear surround speakers (30 levels).
- 2.1/5.1 CH Switch: Allows switching between 2.1 channel sound (sound bar only) and 5.1 channel surround sound.
4.2. Modes d'equalització
Optimize your audio experience with three dedicated EQ modes:
- Mode de música: Enhances musical clarity and balance, ideal for listening to your favorite songs.
- Mode pel·lícula: Provides dynamic and immersive sound, accentuating cinematic effects and dialogue.
- Mode de notícies: Optimizes vocal clarity, making dialogue easier to understand.

Figure 4.2: Visual representation of the optimized equalizer settings for News, Movie, and Music content, enhancing specific audio elements for each type.
4.3. Emparellament Bluetooth
To connect your mobile device via Bluetooth 5.3:
- Press the "Input" button on the remote control until "BT" appears on the sound bar's display.
- Enable Bluetooth on your mobile device and search for "Hiwill D51".
- Select "Hiwill D51" from the list to pair. Once connected, the sound bar will indicate successful pairing.

Figure 4.3: Demonstrating the seamless Bluetooth 5.3 wireless connection between a smartphone and the Hiwill sound bar for audio streaming.
5. Manteniment
Un manteniment adequat garanteix la longevitat i el rendiment òptim del vostre sistema de barra de so.
- Neteja: Use a soft, dry cloth to clean the surfaces of the sound bar, subwoofer, and surround speakers. Do not use liquid cleaners or aerosol sprays.
- Pols: Netegeu regularment la pols de les reixetes i les reixetes de ventilació dels altaveus per evitar l'acumulació, que pot afectar la qualitat del so i la ventilació.
- Emmagatzematge: Si guardeu la unitat durant un període prolongat, desconnecteu-la de la font d'alimentació i guardeu-la en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- cables: Periodically check all cable connections for secure fit and signs of wear or damage.
6. Solució De Problemes
If you encounter issues with your Hiwill sound bar, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| No se sent so de la barra de so. |
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| No sound from surround speakers or subwoofer. |
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| Distorted or tinny sound, lack of bass. |
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| Problemes de connexió Bluetooth. |
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| Sound bar resets or volume jumps unexpectedly. |
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7. Especificacions
Detailed technical specifications for the Hiwill 5.1ch Dolby Sound Bar:
| Característica | Detall |
|---|---|
| Nom del model | Hiwill D51 Soundbar with Subwoofer and 2 Surround Speakers |
| Configuració del canal de so envoltant | 5.1 |
| Potència de sortida màxima dels altaveus | 360 watts |
| Diàmetre del subwoofer | 6.5 polzades |
| Resposta de freqüència | 20 kHz |
| Tecnologia de connectivitat | Bluetooth 5.3 / HDMI-ARC / AUX / USB / Optical |
| Interval Bluetooth | 10 metres |
| Dimensions del producte (barra de so) | 23.2" d'amplada x 3.5" de profunditat x 2.4" d'alçada |
| Pes de l'article | 16.7 lliures (sistema total) |
| Tipus de muntatge | Muntatge a la paret, col·locació a l'escriptori |
| Mètode de control | Control remot |

Figure 7.1: Dimensions of the Hiwill D51 Sound Bar and Subwoofer components.

Figure 7.2: Illustration of the 6.5-inch high-capacity subwoofer's internal components, designed for powerful and clear bass reproduction.
8. Garantia i Suport
Hiwill is committed to providing high-quality products and excellent customer service.
8.1. Informació de la garantia
This product comes with a limited warranty. Please refer to the warranty card included in your package for specific terms and conditions. The warranty covers manufacturing defects and ensures your product functions as intended under normal use.
8.2. Atenció al client
For any questions, technical assistance, or warranty claims, please contact Hiwill customer service. We offer lifetime friendly customer service to assist you with any issues you may encounter.
Please visit the official Hiwill website or refer to the contact information provided in your warranty card for support details.





