Impedance levels vary (32 ohm vs 16 ohm), which can affect compatibility and audio output when used with different devices. boAt Rockerz 400 PK Edition uses Bluetooth 4.1 while boAt Rockerz 333 ANC supports Bluetooth 5.3, which can impact connectivity stability and efficiency. boAt Rockerz 400 PK Edition and boAt Rockerz 333 ANC offer different noise cancellation capabilities (Passive vs ANC), which can impact how effectively they block external noise. There is a noticeable difference in weight (118 Gm vs 37 Gm), which may affect comfort during extended use. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. If you're comparing boAt Rockerz 400 PK Edition and boAt Rockerz 333 ANC, both models offer a strong combination of sound performance, comfort, and modern wireless features. Battery life varies between the two (8 Hours vs 24 Hours), which affects how long you can use them on a single charge. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. The driver size differs between the two (40 mm vs 13 mm X 2), which can influence sound depth, bass response, and overall audio clarity.

Verdict: Choosing between boAt Rockerz 400 PK Edition and boAt Rockerz 333 ANC depends on whether you value better sound, longer battery life, or enhanced features.