Introdución
Thank you for choosing Scosche HD4004A-WM1SD 4-Way Full Range Car Door Speakers. This manual provides detailed instructions for the proper installation, operation, and maintenance of your new car audio speakers. Please read this manual thoroughly before installation to ensure optimal performance and longevity of your product.
O que hai na caixa
- (2) HD Speakers
- (2) Reixas dos altofalantes
- Hardware de montaxe

Image: Contents of the Scosche HD4004A-WM1SD speaker box, including two speakers, two speaker grilles, and a set of mounting hardware.
Especificacións
| Característica | Detalle |
|---|---|
| Nome do modelo | HD4004A-WM1SD |
| Tipo de altofalante | Coaxial |
| Característica especial | CTA-2031 Compliant |
| Usos recomendados | For Cars (In-car audio systems) |
| Dispositivos compatibles | MP3 Player, Smartphone, Tablet |
| Tamaño do altofalante | 4 polgadas |
| Potencia de saída máxima do altofalante | 120 vatios |
| Diámetro do woofer | 4 polgadas |
| Configuración da canle de son envolvente | 2.0 |
| Compoñentes incluídos | (2) HD Speakers, (2) Speaker Grilles, Mounting Hardware |
| Dimensións do produto | 2.02" D x 3.24" W x 3.68" H |
| Nivel de resistencia á auga | Non resistente á auga |
| Tipo de garantía | Garantía limitada de 1 anos |
| Tecnoloxía de conectividade | Coaxial |
| Tipo de montaxe | Montar a lavar |

Image: Speaker dimensions for installation planning.
Configuración e instalación
Proper installation is crucial for optimal sound performance and product longevity. If you are unsure about any steps, it is recommended to seek professional assistance.
Precaucións de seguridade
- Always disconnect the vehicle's negative battery terminal before starting any electrical work to prevent short circuits and electrical damage.
- Use o equipo de seguridade axeitado, incluíndo protección ocular e luvas.
- Ensure all wiring is properly insulated and secured to prevent damage and interference.
Guía de instalación paso a paso
- Desconectar batería: Disconnect the negative terminal of your vehicle's battery.
- Remove Door/Side Panels: Carefully remove the door panel or side panel where the speakers will be installed. Use appropriate trim removal tools to avoid damaging the interior. Be sure to locate and unplug any wiring connections and hidden screws or clips.
- Eliminar os altofalantes de fábrica: Unscrew and remove the existing factory speakers. Disconnect their wiring.
- Preparar o cableado: If necessary, strip the ends of the factory speaker wires and the new speaker wires. Crimp the new speaker connections to the factory wiring. Ensure proper polarity (positive to positive, negative to negative). Pre-wired speaker harnesses may be available for some vehicles (not included).
- Install Speaker Adapter Plate (if needed): Some applications may require a speaker adapter plate to allow a new speaker to be installed. Secure the adapter plate to the vehicle's speaker opening.
- Montar novos altofalantes: Connect the prepared wiring to your new Scosche HD4004A-WM1SD speakers. Mount the new speakers securely using the provided screws and hardware.
- Re-install Panels: Re-install any door or side panels you may have removed, ensuring all wiring connections are re-attached and panels are securely fastened.
- Volver conectar a batería: Volva conectar o terminal negativo da batería do seu vehículo.
- Test Speakers: Turn on your car's audio system and test the new speakers to ensure they are functioning correctly and producing clear sound.
Guía de instalación visual
Watch the official Scosche speaker installation video for a visual walkthrough of the process:
Video: Official Scosche Speaker Installation Instructions. This video demonstrates the general steps for installing aftermarket car speakers, including panel removal, wiring, and speaker mounting.
The Scosche HD4004A-WM1SD speakers feature a 4-way design with a 4" woofer, 1.2" midrange, and 0.6" dual tweeters for deep bass, smooth mids, and brilliant highs. The polypropylene cone is IMPP injection molded for durability, and the rubber surround ensures precise musical reproduction.

Imaxe: Detallada view of the 4-inch HD speaker set components.

Image: Key features of the 4-way speakers, including cone material, sound profile, mounting, and magnet type.
Instrucións de funcionamento
Once properly installed, your Scosche HD4004A-WM1SD speakers will function as part of your vehicle's audio system. Ensure your car's head unit (stereo) is powered on and set to your desired audio source.
- Control de volume: Adjust the volume through your car's head unit. Avoid excessively high volumes for prolonged periods to prevent speaker damage.
- Configuración de audio: Utilize your head unit's equalizer and audio settings (bass, treble, balance, fader) to fine-tune the sound to your personal preference.
- Período de rodaxe: Allow a short break-in period (typically 10-20 hours of normal listening) for the speaker components to loosen up and achieve their optimal sound quality.
Mantemento
To ensure the longevity and performance of your speakers, follow these simple maintenance guidelines:
- Limpeza: Limpe con coidado as grellas e os arredores do altofalante cun pano suave e seco. Evite o uso de produtos químicos agresivos ou produtos de limpeza abrasivos.
- Protección: Ensure the speaker grilles are always in place to protect the cones from physical damage.
- Factores ambientais: While designed for car environments, avoid exposing speakers to extreme moisture or direct sunlight for extended periods.
Resolución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| Non hai son dos altofalantes | Loose or incorrect wiring connections; Head unit off or muted; Blown fuse in head unit or vehicle. | Check all wiring connections for tightness and correct polarity; Ensure head unit is on and not muted; Check and replace any blown fuses. |
| Son distorsionado ou de mala calidade | Incorrect audio settings (e.g., bass too high); Damaged speaker cone or surround; Overpowering speakers. | Adjust head unit's equalizer and audio settings; Inspect speakers for visible damage; Ensure amplifier (if used) is properly matched to speaker wattage. |
| Un altofalante non funciona | Loose connection to that specific speaker; Faulty speaker wire; Speaker damage. | Check wiring for the non-functioning speaker; Test with a known good speaker wire; If still no sound, the speaker may be faulty and require replacement. |
Garantía e Soporte
Your Scosche HD4004A-WM1SD speakers come with a Garantía limitada de 1 anos from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from improper installation, accident, misuse, abuse, neglect, unauthorized modification, or normal wear and tear.
For warranty claims, technical support, or further assistance, please contact Scosche customer service through their official websitio web ou o vendedor onde se comprou o produto. Garde o comprobante de compra para a validación da garantía.
Industrias Scosche: www.scosche.com





