Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. Impedance levels vary (NA vs 32 ohm), which can affect compatibility and audio output when used with different devices. The driver size differs between the two (12 mm vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. boAt Rockerz 315 SVA and boAt Rockerz 400 PK Edition offer different noise cancellation capabilities (NA vs Passive), which can impact how effectively they block external noise. There is a noticeable difference in weight (30 gm vs 118 Gm), which may affect comfort during extended use. From a usability standpoint, both models provide a reliable and premium headphone experience. boAt Rockerz 315 SVA uses Bluetooth 5.0 +EDR while boAt Rockerz 400 PK Edition supports Bluetooth 4.1, which can impact connectivity stability and efficiency. boAt Rockerz 315 SVA and boAt Rockerz 400 PK Edition are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. Battery life varies between the two (9 Hours vs 8 Hours), which affects how long you can use them on a single charge.

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