Harman Kardon FLY BT vs boAt Airdopes 501 ANC – Detailed Specs Comparison (2026)

Harman Kardon beautiful sound. Hands-free help. Your music, uninterrupted. Works with your favorite Voice Assistant. Beautifully crafted from luxurious materials. Sweat and water resistant with an IPX5 rating. Keep your headphones around your neck when not in use. Free yourself from the nuisance of entwined earbud cords. With up to 8 hours of playback time from a single quick charge. Quick charging with up to 8 hours of playback, they easily pair with your smartphone for hands-free calling and access to your favorite voice assistant.

1 Year warranty. IWPâ„¢ Technology. ASAPâ„¢ Fast charge. Nonstop music upto 28 hours. IPX4 Sweat & water resistance. Dual mics with ENxTM Technology. Charge for 5 Minutes Enjoy for 60 Minutes ANC wireless Earbuds with Dual Mics with ENx Technology, BEASTâ„¢ for Low Latency. The unbeatable boAt signature sound shines through no matter what you are playing. The Ambient Mode provides transparency wrt the sounds around you even during playback. For play/pause, our right earbud offers the In-Ear Detection functionality. Lock in to Play; Take out to Pause.

Key Differences

In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. If you're comparing Harman Kardon FLY BT and boAt Airdopes 501 ANC, both models offer a strong combination of sound performance, comfort, and modern wireless features. The driver size differs between the two (8.6 mm vs 8 mm), which can influence sound depth, bass response, and overall audio clarity. Harman Kardon FLY BT uses Bluetooth 4.1 while boAt Airdopes 501 ANC supports Bluetooth 5.2, which can impact connectivity stability and efficiency. Battery life varies between the two (8 Hours vs 5.5 / 22 Hours), which affects how long you can use them on a single charge. Harman Kardon FLY BT and boAt Airdopes 501 ANC offer different noise cancellation capabilities (NA vs Hybrid Active Noise Cancellation), which can impact how effectively they block external noise. Impedance levels vary (32 ohm vs NA), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (17.1 gm vs 56 Gm), which may affect comfort during extended use. The frequency response differs (20 Hz - 20000 kHz vs 20 Hz - 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs.

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: 8 Hours vs 5.5 / 22 Hours
Noise Cancelling: NA vs Hybrid Active Noise Cancellation
Bluetooth: 4.1 vs 5.2
Weight: 17.1 gm vs 56 Gm
Impedance: 32 ohm vs NA

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Key Differences

Top Differences