Key Differences

Impedance levels vary (16 ohm vs NA), which can affect compatibility and audio output when used with different devices. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. boAt Bassheads 172 KKR Edition and Aiwa ESTM-51 are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. boAt Bassheads 172 KKR Edition and Aiwa ESTM-51 offer different noise cancellation capabilities (Passive vs NA), which can impact how effectively they block external noise. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment. There is a noticeable difference in weight (50 Gm vs 15 Gm), which may affect comfort during extended use. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.