boAt Rockerz 551 ANC Pro
boAt Rockerz 551 ANC Pro Bluetooth Headphones User Manual
Model: Rockerz 551 ANC Pro
1. Introduction
Thank you for choosing the boAt Rockerz 551 ANC Pro Bluetooth Headphones. These headphones are designed to provide a superior audio experience with advanced features like Hybrid Adaptive Active Noise Cancellation, long battery life, and powerful 40mm titanium drivers. This manual will guide you through the setup, operation, and maintenance of your new headphones.
2. What's in the Box
Please check the contents of your package:
- boAt Rockerz 551 ANC Pro Headphones
- Charging Cable (Type-C)
- User Manual
3. Product Overview
Familiarize yourself with the various parts and controls of your headphones.

Image: Headphone Controls and Ports. This image displays the various buttons and ports located on the earcups, including power, volume, ANC switch, and Type-C charging port.

Image: Foldable Earcups. The headphones feature a foldable design for easy storage and portability, as shown in this image.
4. Setup
4.1 Charging the Headphones
Before first use, fully charge your headphones. A full charge provides up to 72 hours of playback (with ANC off) or up to 40 hours (with ANC on).
- Connect the provided Type-C charging cable to the charging port on the headphone.
- Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
- The LED indicator will show the charging status. It will turn off or change color once fully charged.

Image: Type-C Charging Interface. This image highlights the Type-C charging port on the headphones.

Image: Battery Playback. This image indicates the impressive battery life of up to 72 hours with ANC off, and up to 40 hours with ANC on.
4.2 Bluetooth Pairing
Pair your headphones with your device via Bluetooth v5.4 for wireless audio.
- Ensure the headphones are charged and powered off.
- Press and hold the Power button until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, laptop, etc.), enable Bluetooth and search for available devices.
- Select "boAt Rockerz 551 ANC Pro" from the list.
- Once connected, the LED indicator will flash blue slowly.

Image: Bluetooth v5.4 Connectivity. This image illustrates the wireless connection capability of the headphones with various devices.
5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the Power button for 3 seconds.
- Power Off: Press and hold the Power button for 5 seconds.
5.2 Active Noise Cancellation (ANC) Modes
The Rockerz 551 ANC Pro features Hybrid Adaptive ANC to reduce ambient noise and an Ambient Mode to stay aware of your surroundings.
- ANC On/Off: Use the dedicated ANC button to toggle Active Noise Cancellation.
- Ambient Mode: Press the ANC button again to switch to Ambient Mode, which allows you to hear your surroundings.

Image: Adaptive Hybrid ANC. This image shows the headphones in use, demonstrating the noise cancellation feature.

Image: Ambient Mode. This image illustrates the Ambient Mode, allowing users to hear their surroundings while wearing the headphones.
5.3 Making Calls with ENx Technology
The headphones are equipped with dual microphones and ENx Technology for clear call quality.
- Answer/End Call: Press the Multi-function button once.
- Reject Call: Press and hold the Multi-function button for 2 seconds.

Image: Dual Mics with ENx Technology. This diagram illustrates the internal components responsible for enhanced call clarity.
5.4 Voice Assistant
Activate your device's voice assistant (Siri, Google Assistant) directly from your headphones.
- Activate Voice Assistant: Triple press the Multi-function button.

Image: Instant Voice Assistant. This image shows the logos for popular voice assistants, indicating compatibility.
5.5 boAt Hearables App
Enhance your experience by downloading the boAt Hearables App. The app allows you to switch between ANC modes, customize sound with an equalizer, and access other settings.

Image: boAt Hearables App. This image displays the app interface, showing options for noise cancellation and sound equalization. Scan the QR code below to download the app.
5.6 BEAST™ Mode for Gaming
Activate BEAST™ Mode for a low-latency gaming experience, ensuring synchronized audio and visuals.
- Activate/Deactivate BEAST™ Mode: Refer to the boAt Hearables App or specific button combination (if available, not specified in input).

Image: BEAST™ Mode. This image depicts a user engaged in gaming with the headphones, highlighting the low-latency feature.
6. Maintenance
Proper care will extend the life of your headphones:
- Clean the earcups and headband with a soft, dry cloth.
- Avoid exposing the headphones to extreme temperatures, humidity, or liquids.
- Store the headphones in a cool, dry place, preferably in their original packaging or a protective case.
- Do not attempt to disassemble or modify the headphones, as this will void the warranty.
7. Troubleshooting
| Problem | Solution |
|---|---|
| Headphones not powering on | Ensure the headphones are fully charged. Press and hold the Power button for 3 seconds. |
| Cannot pair via Bluetooth |
|
| No sound or low volume |
|
| ANC not working effectively |
|
8. Specifications
| Feature | Detail |
|---|---|
| Brand | boAt |
| Model Name | Rockerz 551 ANC Pro |
| Ear Placement | Over Ear |
| Noise Control | Active Noise Cancellation (Hybrid Adaptive, up to 42dB) |
| Audio Driver Type | Dynamic Driver (40mm Titanium) |
| Frequency Range | 20Hz-20KHz |
| Bluetooth Version | 5.4 |
| Battery Life | Up to 72 Hours (ANC Off), Up to 40 Hours (ANC On) |
| Charging Interface | Type-C |
| Microphones | 2 Mics with ENx Technology |
| Control Method | Push Button, Voice |
| Special Features | App Support, Foldable Earcups, BEAST™ Mode (Low Latency) |
| Compatible Devices | Smartphones, Laptops, Gaming Consoles, Desktops, Tablets, Smart Speakers, Televisions |
| Weight | 120 Grams |
| Country of Origin | China |
9. Warranty and Support
Your boAt Rockerz 551 ANC Pro headphones come with a 1-year warranty from the date of purchase.
For warranty claims, technical support, or any other inquiries, please contact:
- Manufacturer: Imagine Marketing Ltd
- Email: info@imaginemarketingindia.com
- Importer/Packer Address: Imagine Marketing Limited Unit no. 204 & 205, 2nd floor, D-wing & E-wing, Corporate Avenue, Andheri Ghatkopar Link Road Mumbai Mumbai City MH 400093 IN
Please retain your purchase receipt for warranty validation.
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