1. Introducció
The OSD Audio IWS8 is an 8-inch in-wall passive subwoofer designed to integrate seamlessly into your home audio system. This unit is engineered to deliver enhanced low-frequency sound, complementing your existing speakers for a richer audio experience. Its discreet design features a paintable grille, allowing it to blend with your room's aesthetics. As a passive subwoofer, it requires an external amplificador per al funcionament.
Please read this manual thoroughly before installation and use to ensure proper setup and optimal performance.
2. Contingut del paquet
Verifiqueu que tots els components siguin presents al paquet:
- OSD Audio IWS8 8-inch In-Wall Subwoofer
- Dog-ear mount system (pre-installed)
- Integrated rear dust cover (pre-installed)
- Paintable grille
3. Característiques clau
- Maneig de potència: 150 Watts maximum output.
- Conductor: 8-inch polypropylene subwoofer with butyl rubber surround for durability and performance.
- Disseny: Pro baixfile in-wall design for discreet integration.
- Instal·lació: Easy-install dog-ear bracket system for secure mounting to drywall.
- Protecció: Integrated rear dust shield to protect components and improve sound quality.
- Estètica: Paintable frame and grille to match room decor.
- Compatibilitat: Passive design requires an external subwoofer amplifier (e.g., OSD Audio SMP200).
4. Configuració i instal·lació
Proper installation is crucial for optimal performance and safety. If you are unsure about any steps, consult a qualified installer.
4.1 Planificació de la instal·lació
- Ubicació: Choose a wall location free of studs, electrical wires, plumbing, or other obstructions. Use a stud finder to locate studs.
- Cablejat: Plan your speaker wire routing from the subwoofer amplifier to the subwoofer location. Ensure you use appropriate gauge speaker wire for the distance.
4.2 Eines necessàries
- Cercador de sementals
- Cinta mètrica
- Llapis
- Serra de guix o ganivet multiusos
- Pelacables
- Tornavís (cap Phillips)
- Nivell
4.3 Cutting the Wall Opening
- Carefully measure and mark the desired location on the wall. The cutout dimensions for the IWS8 are approximately 10.5 inches (H) x 10.5 inches (W).
- Use a level to ensure your markings are straight.
- Using a drywall saw or utility knife, carefully cut along the marked lines.

Image: The OSD Audio IWS8 in-wall subwoofer shown with its dimensions, indicating a height of 12 inches, width of 11.5 inches, and depth of 6 inches.
4.4 Wiring the Subwoofer
- Pull the speaker wire through the wall opening.
- Strip approximately 1/2 inch of insulation from the ends of the speaker wire.
- Connect the positive (+) terminal of the speaker wire to the red (+) terminal on the subwoofer.
- Connect the negative (-) terminal of the speaker wire to the black (-) terminal on the subwoofer. Ensure a secure connection.

Imatge: Part posterior view of the OSD Audio IWS8 in-wall subwoofer, highlighting the speaker wire terminals and the dog-ear mounting clamps.
4.5 Muntatge del subwoofer
- Carefully insert the subwoofer into the wall opening.
- Tighten the screws on the front baffle of the subwoofer. This will activate the dog-ear clamps, rotating them outwards to grip the drywall securely.
- Do not overtighten the screws, as this can damage the drywall or the subwoofer frame. Tighten until the subwoofer is snug and flush with the wall surface.

Imatge: Vista de dalt a baix view of the OSD Audio IWS8 in-wall subwoofer, illustrating the dog-ear mounting clamps in their extended position, ready to secure the unit to a wall.
4.6 Instal·lació de reixes
- Once the subwoofer is securely mounted, align the paintable grille with the subwoofer frame.
- The grille is designed to fit snugly. Gently press it into place until it is flush with the wall.
- If desired, the grille can be painted to match your wall color before installation. Ensure paint does not clog the perforations.

Imatge: Una explosió view of the OSD Audio IWS8 in-wall subwoofer, showing the main speaker unit and its separate paintable grille, ready for installation.
5. Funcionament
5.1 Connexió a un Ampmés viu
The IWS8 is a passive subwoofer and requires an external subwoofer amplifier. OSD Audio recommends using an amplifier such as the SMP200, a 200-watt Class D subwoofer amplifier with an advanced crossover circuit. Connect the speaker output terminals of your subwoofer amplifier to the input terminals of the IWS8, ensuring correct polarity (+ to + and - to -).
5.2 Engegada inicial i ajust
- Assegureu-vos que totes les connexions estiguin segures abans d'encendre el vostre amplificador i font d'àudio.
- Start with the volume level on your subwoofer amplifier set to a low position.
- Play audio through your system. Gradually increase the amplifier's volume until the desired bass level is achieved.
- Adjust the crossover frequency and phase settings on your subwoofer amplifier to blend the subwoofer's output smoothly with your main speakers. Refer to your amplifier's manual for specific instructions on these adjustments.
6. Manteniment
The OSD Audio IWS8 subwoofer requires minimal maintenance.
- Neteja: Periodically wipe the grille and frame with a soft, dry cloth to remove dust. Do not use harsh chemicals or abrasive cleaners.
- Inspecció: Occasionally check the mounting screws to ensure they remain tight and the subwoofer is securely seated in the wall.
7. Solució De Problemes
If you encounter issues with your IWS8 subwoofer, refer to the following common troubleshooting steps:
| Problema | Causa possible | Solució |
|---|---|---|
| No hi ha so del subwoofer |
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| So distorsionat o poc clar |
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| Weak or insufficient bass |
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| Vibration from the wall or grille |
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8. Especificacions
| Especificació | Valor |
|---|---|
| Marca | Àudio OSD |
| Número de model | IWS8 |
| Tipus d'altaveu | Subwoofer a la paret |
| Diàmetre del woofer | 8 polzades |
| Potència de sortida màxima dels altaveus | 150 watts |
| Resposta de freqüència | 40 Hz (Lower limit, actual range depends on amplifier and room) |
| Impedància | 8 ohms |
| Tipus de muntatge | A la paret |
| Material de tancament | Polipropilè |
| Dimensions de l'article (D x W x H) | 11.5" de profunditat x 12" d'amplada x 6" d'alçada (total) |
| Cutout Dimensions (Approx.) | 10.5 cm x 10.5 cm |
| Tecnologia de connectivitat | Auxiliar (amb cable) |
| Mitjans integrats | Subwoofer, dog ear mount system, integrated rear dust cover |
9. Informació de la garantia
The OSD Audio IWS8 In-Wall Subwoofer is covered by a 10 any de garantia from the date of purchase. This warranty covers defects in materials and workmanship under normal use. For specific terms and conditions, please refer to the warranty documentation included with your product or visit the OSD Audio weblloc.
10. Atenció al client
For further assistance, technical support, or warranty inquiries, please contact OSD Audio customer service. You can find contact information and additional resources by visiting the official OSD Audio weblloc: