boAt Rockerz 400 Pro – Complete Support Guide with Specifications & FAQs

📄 Original Source: boAt Official Support – Rockerz 400 Pro

boAt Rockerz 400 Pro

Wireless Headphones with HD Sound, ENx™ Tech & BEAST™ Mode

Sound Built for Life on the Go

Rockerz 400 Pro wireless headphones deliver top-notch sound quality and comfort, whether you’re at the gym, commuting, or relaxing at home:

40mm x 2 Drivers – HD Sound quality
ENx™ Technology – Clear voice calls
BEAST™ Mode – Low latency mode for gaming
Up to 30 Hours Playtime – At approx. 60% volume
Bluetooth 5.3 – Stable 10m connection
Dedicated Microphone – Built for calls

Key Features at a Glance

🎵 HD Sound

40mm x 2 drivers for rich, detailed audio

⏱️ 30 Hours Playtime

At approximately 60% volume

🎮 BEAST™ Mode

Low latency mode for casual gaming

🎙️ ENx™ Tech

Environmental noise reduction for clearer calls

Full Specifications

Specification	Details
Type	Bluetooth Wireless Headphones
Bluetooth Version	V5.3
HD Sound	Yes
Driver Size	40mm x 2
Frequency Response	20Hz – 20kHz
Music Playtime	Up to 30 Hours (at 60% volume approx.)
Charging Time	1.5 Hours
Charging Port Type	USB Type-C
Transmission Range	10m
BEAST™ Mode	Yes
ENx™ Tech	Yes

Technology & Features

HD Sound

Dual 40mm drivers deliver rich, detailed HD audio across a 20Hz – 20kHz frequency range.

ENx™ Technology

Environmental noise cancellation technology that helps reduce background noise for clearer voice calls.

BEAST™ Mode (Low Latency)

A single press of the dedicated BEAST Mode quick-switch button activates low latency mode for casual gaming; press the same button again to switch back to normal music mode.

Multifunction Button (MFB) Controls

Action	Function
Press & hold MFB (3 sec)	Power ON / Enter pairing mode (voice tone confirms)
Press & hold Power Button (5 sec)	Power OFF
Press & hold Power Button + Volume Down together (5 sec)	Factory Reset / Clear paired devices
Short press MFB once	Play/Pause, Answer call, End call
Double press MFB	Reject call (during ring) / Activate Voice Assistant
Press & hold Volume Up (2 sec)	Next Track
Press & hold Volume Down (2 sec)	Previous Track
Press & hold Volume +/- in steps	Adjust Volume
Single press BEAST Mode quick-switch button	Toggle BEAST™ Mode (low latency) on/off

Pairing & Connectivity

Initial Pairing

When switched off, press & hold the Power ON/OFF Button for 3 seconds to switch on and enter pairing mode
The blue and red LEDs flash alternately to indicate pairing mode
Open Bluetooth settings on your device and search for ‘Rockerz 400 Pro’
Select the device from the list; enter passcode 0000 if prompted
Once connected, a slowly flashing blue LED confirms the Bluetooth connection

Note: The headphones automatically turn off if no connection is established within 5 minutes of entering pairing mode.

LED Indicator Guide

Pairing mode: Blue and red LEDs flash alternately
Auto-pairing status: Red and blue LEDs flash three times simultaneously, then enter pairing state
Connected: Blue LED flashes slowly
Power off: Red LED flashes for 1 second before shutting off
Charging: Solid red LED
Fully charged: LED turns completely blue

Charging & Battery

How to Charge

Plug one end of the USB Type-C cable into the headphone’s charging port and the other end into a computer or wall adapter
Use only a 5V/2A wall adapter
Full charge takes around 1.5 hours
The red LED remains solid while charging and turns completely blue once fully charged

Troubleshooting Guide

Bluetooth Connectivity Issues

Headphones not connecting via Bluetooth

Check the headphones are in pairing mode – hold the Multifunction button for 5 seconds until red and blue LEDs flash alternately
Confirm the device is within 10m Bluetooth range with no obstructions
Clear the pairing list by holding the Volume Up and Volume Down buttons together for 5 seconds in standby mode
Check the connecting device supports Bluetooth connections
If prompted for a passcode, try 0000 or 1234
Check for software issues on your phone; try forgetting the device or updating mobile software

Charging Issues

Not charging or battery life is low

Test the charging cable on another device, or try a different cable
Use only a 5V/2A wall adapter
Charge until the LED turns completely blue
Check the battery hasn’t been tampered with or exposed to electrical damage
Clean the charging port with a cotton swab if clogged with dirt
Confirm the adapter and cable support fast charging

Sound Issues

Sound is distorted, low volume, low bass, or low quality

Set the connected device’s equalizer to normal/default/zero/none
Reset the device or clear the paired devices list
Clean ear wax buildup on the earcups with a cotton swab and alcohol, then gently blow dry from a distance
Ensure there’s no obstruction and you’re within the 10m Bluetooth range

Volume changes automatically

Check equalizer settings on the connected device
Test with different media players and devices to isolate the issue

Power & Control Issues

Headphones don’t power on

Confirm the device has been properly charged first, until the LED turns blue
Use only 5V/2A chargers
Check for mishandling, broken wires, or exposure to direct sunlight or fire hazards

Built-in controls not working

Test whether the controls work while connected to a different device
Unpair/forget the device, reset, and pair again
Verify the media player supports these controls
Check for physical damage or exposure to sunlight/fire

Voice assistant doesn’t wake up

Check that Google Assistant or Siri is enabled on your paired device
Long press for 2 seconds and release; this may be restricted by default on some devices

Microphone Issues

Microphone not working

Reset your Rockerz 400 Pro
Ensure the microphone is not being blocked by any particles
Check the microphone is being held at an adequate distance to pick up your voice
Test by recording your voice on a voice recorder to confirm the mic is working
Check the microphone hasn’t been exposed to hazards like direct sunlight, fire, or water beyond its resistance rating

Phone-Specific EQ Settings

Phone Brand	EQ Path
Vivo	i Music > Audio effect > Deep space sound effects > Equalizer
Xiaomi	Settings > Sound & vibration > Sound effects > Graphic equalizer
Samsung	Settings > Sound quality and effects > Equalizer
Realme	Settings > Sound > Equalizer (varies by UI version)
Oppo	Settings > Sound & vibration > Equalizer
Apple	Settings > Music > EQ
Motorola	Settings > Sound > Audio effects
Poco	Settings > Sound & Vibration > Graphic Equalizer
OnePlus	Settings > Sound Quality & Effects > Audio Tuner

Frequently Asked Questions

How long is the battery life?

Rockerz 400 Pro offers up to 30 hours of playtime at approximately 60% volume. A full charge takes around 1.5 hours.

Does it have Environmental Noise Cancelling?

Yes, Rockerz 400 Pro includes ENx™ technology for clearer voice calls.

How do I activate BEAST™ Mode?

Single press the dedicated BEAST Mode quick-switch button to activate low latency mode. Press the same button again to switch back to normal music mode.

Is it good for gaming?

Rockerz 400 Pro supports low latency via BEAST™ Mode, suitable for entertainment and casual gaming.

Does it have HD Sound?

Yes, Rockerz 400 Pro features dual 40mm drivers delivering HD sound quality.

Does it have a dedicated microphone?

Yes, Rockerz 400 Pro has a dedicated microphone built for calls and voice recording.