Sennheiser HD 25-SP II vs JBL Junior 320 – Specs, Price & Comparison (2026)

- Very lightweight and comfortable, even if used for long periods - High maximum sound pressure level - 65 Ohm nominal impedance for universal compatibility - Tough, detachable OFC cable - Neodymium ferrous magnet systems and lightweight aluminium/copper voice

Ultra Portable : JBL Junior 320 headphones, compact design folds flat so children can easily store in a bag or backpack. JBL Safe sound <85 dB : JBL Junior 320 headphones are designed to never exceed 85 dB, making them safe for children's ears. Make It Yours With JBL Stickers : The plastic-free packaging includes a playful JBL sticker set so kids can personalise their headphones. Built-In Microphone : JBL Junior 320 headphones have a built-in microphone to help your children stay connected to the world. You can talk to teachers while they learn, or chat with friends and family during their downtime. The headband has a 12mm thick soft pad for long wearing comfort. And their round ear cup design with durable, kid-friendly controls provides improved grip and less sound leakage, so kids don't have to turn them louder to compete with outside noise.

Key Differences

The driver size differs between the two (NA vs 32 mm), which can influence sound depth, bass response, and overall audio clarity. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. The frequency response differs (30 Hz - 16000 Hz vs 20 Hz - 20KHz), which can influence how well the headphones reproduce lows, mids, and highs. Impedance levels vary (60 Ohms vs 34 Ohms), which can affect compatibility and audio output when used with different devices. If you're comparing Sennheiser HD 25-SP II and JBL Junior 320, both models offer a strong combination of sound performance, comfort, and modern wireless features. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. There is a noticeable difference in weight (115 g vs 116.8 GM), which may affect comfort during extended use. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience.

Verdict: Choosing between Sennheiser HD 25-SP II and JBL Junior 320 depends on whether you value better sound, longer battery life, or enhanced features.

Top Differences

Driver Size: NA vs 32 mm
Weight: 115 g vs 116.8 GM
Impedance: 60 Ohms vs 34 Ohms

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Key Differences

Top Differences