JBL Quantum 400 vs Soundcore V30i – Key Differences & Best Choice (2026)

Live the game with JBL QuantumSURROUNDTM and DTS. JBL QuantumSOUND Signature gives you a true audio edge. Play even longer in memory foam comfort. Voice focus directional flip-up boom microphone. Game-chat dial for seamless communication. Made for your favorite platforms. User-friendly JBL QuantumENGINE PC software suite.

TCO Certified : For Better Sustainability. Open Listening, Robust Bass : soundcore V30i open-ear headphones feature a 14.2mm bio-material diaphragm that emboldens bass for an audio experience that always hits the right beat. All-Day Companion : Enjoy 12 hours of play on a single charge, extending to a total of 36 hours with the charging case. Better yet, a quick 10-minute charge delivers an impressive 3 hours of listening. Enhanced Awareness : Remain aware of your surroundings, such as public transit announcements and oncoming cars. Stay in touch with the world around you thanks to the open design of soundcore V30i open-ear headphones. Ultra Comfortable : Experience the lightweight comfort of our open-ear headphones. Featuring a non-intrusive design and soft, flexible ear hooks for a perfect fitâ€”ensuring that you can wear them all day without discomfort. IPX5 Water Resistant With SweatGuard : soundcore V30i uses nano-coating and a unique chamber design for complete protection. Crafted to ensure that critical areas, such as the chipsets and battery compartment, remain sealed. Products with electrical plugs are designed for use in the US. Outlets and voltage differ internationally and this product may require an adapter or converter for use in your destination. Please check compatibility before purchasing.

Key Differences

The frequency response differs (20 Hz - 20000 kHz vs 20Hz - 20KHz), which can influence how well the headphones reproduce lows, mids, and highs. The driver size differs between the two (50 mm vs 14.2 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. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. JBL Quantum 400 and Soundcore V30i are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. There is a noticeable difference in weight (274 gm vs 77 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 support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Impedance levels vary (32 ohm vs 11 Ohms), which can affect compatibility and audio output when used with different devices.

Verdict: Choosing between JBL Quantum 400 and Soundcore V30i depends on whether you value better sound, longer battery life, or enhanced features.

Top Differences

Driver Size: 50 mm vs 14.2 mm
Weight: 274 gm vs 77 GM
Impedance: 32 ohm vs 11 Ohms

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Key Differences

Top Differences