boAt Airdopes 621 vs boAt Airdopes 511 V2 – Key Differences & Best Choice (2026)

1 Year warranty. IWPâ„¢ Technology. ASAPâ„¢ Fast charge. Nonstop music upto 150 hours. IPX7 Water & Sweat Shield resistance. Experience the unbeatable boAt signature sound that shines through no matter what you are playing. With ASAP charge technology charge your device for just 5 Minutes and get a playback of 60 Minutes.

It is IPX4 rated to offer resistance against sweat and water scares. TWS Airdopes 511 V2 offers true wireless experience with the latest Bluetooth v5.0. It helps to stay Plugged Into Nirvana for extended duration with up to 6 hours of sound per charge. Its 500 mAh Carry cum Charging case ensures up to 4 times the charge for earbuds with up to 24 hours of playback. It comes equipped with our IWP (Insta Wake Nâ€™ Pair) Technology that enables the earbuds to power on automatically and gets connected as soon as you open the lid of the carry case. Experience clear and crisp stereo hands-free communication via the Dual Microphones on Airdopes 511V2. Its powerful dynamic drivers pump out immersive auditory bliss so that you can rise into Nirvana and feel the true rhythm. Voice Assistant: Long press the Multi-function Button on either earbud for 2 seconds to activate the voice assistant.

boAt Airdopes 511 V2 and boAt Airdopes 621 are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. boAt Airdopes 511 V2 uses Bluetooth 5.0 + EDR while boAt Airdopes 621 supports Bluetooth 5.0, which can impact connectivity stability and efficiency. Battery life varies between the two (6 Hours vs 5 / 7 / 150 Hours), which affects how long you can use them on a single charge. Impedance levels vary (NA vs 16 ohm), which can affect compatibility and audio output when used with different devices. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. From a usability standpoint, both models provide a reliable and premium headphone experience. There is a noticeable difference in weight (11 gm vs 129 Gm), which may affect comfort during extended use. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.

Top Differences

Battery Life: 6 Hours vs 5 / 7 / 150 Hours
Weight: 11 gm vs 129 Gm
Impedance: NA Vs 16 ohm

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Top Differences