Sansui DT11 ANC Wireless Bluetooth 5.4 Headphone User Manual

1. Introduction

Welcome to the user manual for your Sansui DT11 ANC Wireless Bluetooth 5.4 Headphones. These headphones combine a retro 80s design with modern audio technology, offering Active Noise Cancellation (ANC), Bluetooth 5.4 connectivity, and clear call quality with an ENC microphone. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your headphones to ensure an optimal listening experience.

2. Safety Information

Please read all safety warnings and instructions carefully before using this product to prevent damage or injury. Keep this manual for future reference.

• Do not expose the headphones to extreme temperatures, humidity, or corrosive environments.
• Avoid dropping or subjecting the headphones to strong impacts.
• Do not attempt to disassemble or modify the headphones. This will void the warranty.
• Keep the headphones away from water and liquids. While they are rated as waterproof, prolonged exposure or submersion is not recommended.
• Use only the provided charging cable or a certified Type-C cable for charging.
• Listening at high volumes for extended periods can cause permanent hearing damage. Adjust volume to a safe level.

3. Package Contents

Ensure all items are present in the package:

• Sansui DT11 ANC Wireless Bluetooth 5.4 Headphones
• User Manual
• Charging Cable (Type-C)

4. Product Overview

The Sansui DT11 headphones feature a comfortable over-ear design with soft, synthetic leather ear pads and an adjustable headband for a personalized fit. The earcups can swivel for flexible positioning and storage. The headphones are designed with a vintage aesthetic, making them a stylish accessory.

The headphones can be controlled via physical buttons (Volume Control, Control Button) and through a dedicated mobile application for advanced settings like EQ and ANC mode management.

5. Setup

5.1. Charging

Before first use, fully charge your headphones. Connect the provided Type-C charging cable to the charging port on the headphones and the other end to a USB power source (e.g., wall adapter, computer USB port).

• The indicator light will show charging status.
• A full charge provides up to 50 hours of battery life.

5.2. Power On/Off

• **Power On:** Press and hold the Power button (refer to product diagram in the full user manual) for a few seconds until the indicator light illuminates.
• **Power Off:** Press and hold the Power button for a few seconds until the indicator light turns off.

5.3. Bluetooth Pairing Connection (First Use)

The Sansui DT11 headphones utilize Bluetooth 5.4 for fast and stable transmission.

1. Ensure the headphones are powered off.
2. Press and hold the Power button until the indicator light flashes, indicating pairing mode.
3. On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
4. Select "SANSUI DT11" from the list of found devices.
5. Once connected, the indicator light will change to a steady blue or turn off, depending on the model.

5.4. Dual Connection

The Smart Dual Connect feature allows the headphones to pair with two devices simultaneously, such as a phone and a computer/tablet. This enables seamless switching between calls, media, or tasks.

1. Pair the headphones with the first device following the steps in 5.3.
2. Disconnect Bluetooth on the first device temporarily.
3. Put the headphones back into pairing mode and connect to the second device.
4. Reconnect Bluetooth on the first device. The headphones should now be connected to both devices.
5. Switching between devices is typically automatic when audio starts playing on one device, or by pausing audio on one and playing on the other.

5.5. Reset to Factory Mode

If you experience persistent connection issues or wish to clear all pairing data, you can reset the headphones to factory settings. Refer to the full user manual for specific button combinations, as this often involves holding a combination of buttons for several seconds.

6. Operation

6.1. Active Noise Cancellation (ANC)

The Sansui DT11 features -45dB hybrid active noise cancellation to block out ambient noise, allowing you to focus on your audio. ANC can be toggled on or off.

• **Toggle ANC:** Use the dedicated ANC button on the headphones (if present) or the SANSUI mobile app to activate or deactivate ANC.

6.2. Volume Control & Control Buttons

The headphones are equipped with volume control and other control buttons for managing playback, calls, and voice assistants.

• **Volume Up/Down:** Use the designated volume buttons.
• **Play/Pause:** Press the main control button once.
• **Next Track:** Double-press the main control button.
• **Previous Track:** Triple-press the main control button.
• **Answer/End Call:** Press the main control button once during an incoming call or active call.
• **Reject Call:** Press and hold the main control button during an incoming call.
• **Activate Voice Assistant (Siri/Google Assistant):** Press and hold the main control button (duration may vary, refer to full manual).

6.3. Other Functions

• **Sound Isolating:** The over-ear design and ear pad material provide passive sound isolation.
• **Waterproof:** The headphones are designed with a waterproof rating, offering protection against splashes and sweat. Avoid submerging them in water.
• **ENC Microphone:** The Environmental Noise Cancellation (ENC) microphone ensures clear calls by reducing background noise.
• **Game Mode:** Activate Game Mode via the SANSUI app for optimized audio latency during gaming.

7. Maintenance

• **Cleaning:** Use a soft, dry cloth to clean the headphones. Do not use harsh chemicals or abrasive materials.
• **Storage:** When not in use, store the headphones in a cool, dry place. The foldable design allows for compact storage.
• **Battery Care:** To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly, even if not used for extended periods.

8. Troubleshooting

9. Specifications

*Note on Active Noise-Cancellation: While some raw data indicated "No" for Active Noise-Cancellation, the product title, multiple promotional images, and the detailed features list clearly state "-45dB Active Noise Reduction" and "Active Noise Cancelling". We prioritize these explicit claims for the feature.

10. User Tips

• **Enhanced Sound:** For an even richer audio experience, consider using an equalizer (EQ) through your media player or a dedicated app. Adjusting the midrange slightly and fine-tuning high/low frequencies can significantly improve sound quality.
• **Comfortable Fit:** The soft ear pads and adjustable headband ensure a comfortable fit for extended listening sessions. Take advantage of the flexibility to find your ideal wearing position.
• **Quick Charging:** The headphones charge quickly and offer a long battery life, making them ideal for daily use and travel.
• **Foldable Design:** The headphones are foldable, making them convenient for storage and portability.
• **ANC Control:** Remember that the Active Noise Cancellation feature can be toggled on and off, allowing you to choose between immersive audio and awareness of your surroundings.

11. Frequently Asked Questions (FAQ)

Q: Are the Sansui DT11 headphones foldable?

A: Yes, the headphones feature a foldable design for easy storage and portability.

Q: Is it possible to connect the headphones via a cable with a 3.5 mm jack?

A: The specifications indicate that the connectors are Type-C, primarily for charging. There is no mention of a 3.5mm audio jack for wired connection in the provided information.

12. Support & Documentation

For further detailed instructions, diagrams, and comprehensive troubleshooting, please refer to the official user manual PDF:

View User Manual (PDF)

For product support, please contact Sansui customer service through their official channels.