1. Introducción
Thank you for choosing EARMOR M300T/M300A Electronic Hearing Protection Earmuffs. These earmuffs are designed to protect your hearing from harmful noise while allowing you to hear important ambient sounds and communicate effectively. The M300T model includes Bluetooth connectivity for enhanced functionality.

Image 1.1: EARMOR M300T Electronic Hearing Protection Earmuffs (Black, Bluetooth model shown).
2. Características principales
- Advanced Hearing Protection: Suppresses harmful noises above 82 dB in less than 1 millisecond, providing a Noise Reduction Rating (NRR) of 23dB.
- Environmental Sound Amplificación: Enhances situational awareness by capturing and amplifying low-level ambient sounds.
- Múltiples modos de escaneo: Offers three distinct ambient sound modes to adapt to various environments.
- Diseño ergonómico: Features comfortable gel cushions and an adjustable padded headband for a secure and comfortable fit across various head sizes.
- Integrated Controls (M300T & M300A): A single, continuously adjustable knob controls power and volume.
- Bluetooth 5.4 Connectivity (M300T only): Allows connection to mobile devices for music and calls, even in noise-canceling mode.
- Durable y resistente al agua: IPX5 waterproof rating ensures performance in various conditions.
- Apagado automático: Unit automatically powers off after 4 hours of inactivity to conserve battery life.

Image 2.1: Illustration of active noise suppression, highlighting the 23dB NRR and rapid suppression of sounds over 82dB.

Imagen 2.2: Primer plano view of the ergonomic gel pads and adjustable padded headband, designed for comfort and fit.
3. Configuración
3.1. Instalación de la batería
- Locate the battery compartments on each earcup.
- Abra las tapas del compartimento de la batería.
- Insertar 2 pilas AAA into each compartment, ensuring correct polarity (+/-). Batteries are not included.
- Cierre bien las tapas del compartimento de la batería.
3.2. Ajuste de ajuste
- Extend the headband by pulling the earcups downwards.
- Place the earmuffs over your ears, ensuring the earcups fully cover your ears and create a tight seal.
- Adjust the headband by sliding the earcups up or down until a comfortable and secure fit is achieved. The padded headband and gel cushions are designed to adapt to various head shapes.
4. Instrucciones de funcionamiento
4.1. Encendido/apagado y control de volumen
- To power on, rotate the single control knob clockwise until you hear a click.
- Continue rotating the knob clockwise to increase the volume of ambient sounds.
- Gire la perilla en sentido antihorario para disminuir el volumen.
- Para apagar, gire la perilla en sentido antihorario hasta que escuche un clic.

Image 4.1: The single control knob on the earcup manages both power and volume settings.
4.2. Bluetooth Pairing (M300T only)
- Asegúrese de que los protectores auditivos estén encendidos.
- Activa el Bluetooth en tu dispositivo móvil.
- Buscar available devices and select "EARMOR M300T" from the list.
- Once paired, you can stream audio and manage calls through the earmuffs.

Image 4.2: A user demonstrating Bluetooth connectivity with a mobile device for music and calls.
4.3. Modos de sonido ambiental
The earmuffs feature three ambient pickup modes to customize your situational awareness. Refer to the specific button or control on your model (M300T or M300A) to cycle through these modes. Each mode adjusts the level of ambient sound amplificación.

Image 4.3: Illustration of active voice tracking and the three ambient pickup modes for customized situational hearing.
4.4. Call Management (M300T only)
When connected via Bluetooth, you can accept or reject incoming calls directly through the earmuffs. Consult your device's Bluetooth settings or the earmuffs' specific controls for detailed call management instructions.
5. Mantenimiento
5.1. Limpieza
- Limpie el exterior de los protectores auditivos con adamp tela. No sumergir en agua.
- Clean the gel cushions with a mild soap solution and a soft cloth. Ensure they are completely dry before use.
- Evite utilizar productos químicos agresivos o limpiadores abrasivos.
5.2. Almacenamiento
- The earmuffs feature a foldable design for easy storage. Fold them compactly when not in use.
- Conservar en un lugar fresco y seco, alejado de la luz solar directa y de temperaturas extremas.
- Retire las pilas si va a almacenar el producto durante períodos prolongados para evitar fugas.
5.3. Resistencia al agua
The earmuffs are rated IPX5 waterproof, meaning they are protected against low-pressure water jets from any direction. They are not designed for submersion.
6. Solución de problemas
- Sin energía: Asegúrese de que las pilas estén correctamente instaladas y no agotadas. Reemplácelas con pilas AAA nuevas.
- No Ambient Sound: Check if the earmuffs are powered on and the volume is adjusted appropriately.
- Poor Sound Clarity: Ensure earcups form a tight seal around your ears. Adjust fit if necessary. Check for debris in microphones.
- Bluetooth Connection Issues (M300T only): Ensure earmuffs are in pairing mode and within range of your device. Forget the device on your phone and re-pair.
- Apagado automático: This is a feature to conserve battery. If it occurs unexpectedly, ensure there is activity or adjust settings if available.
7. Especificaciones
| Característica | Especificación |
|---|---|
| Clasificación de reducción de ruido (NRR) | 23 dB |
| Noise Suppression Threshold | Harmful noises over 82dB suppressed in <1ms |
| Bluetooth Version (M300T) | 5.4 |
| Fuente de poder | 2 pilas AAA (no incluidas) |
| Clasificación de impermeabilidad | IPX5 |
| Apagado automático | Después de 4 horas de inactividad |
| Departamento | Adulto unisex |
| Origen | Importado |
8. Garantía y soporte
For warranty information, technical support, or service inquiries, please refer to the documentation included with your purchase or contact EARMOR customer service directly. Keep your proof of purchase for warranty claims.