JBL Synchros E40 BT vs Audio Technica ATH-SPORT90BT – Key Differences & Best Choice (2026)

- JBL Bluetooth Headphone is compatible with your choice of either iOS or Android devices giving you the flexibility you need for your listening pleasure - ShareMe : Take your music social. Stream music wirelessly to another ShareMe-equipped headphone.

Cable length can be adjusted by using the included cable slider. IPX5* waterproof rating allows headphones to be washed after use. Built-in 4 GB music player lets you work out without your smartphone. When not in use, earbuds built-in magnet sensors can be linked together, automatically pausing music playback. Switchable ambient noise hear-through function allows you to hear people and traffic around you for safer use outdoors. Bluetooth wireless technology with in-line mic and controls for convenient handling of calls, music playback and volume adjustment. High-sensitivity 6 mm drivers with a powerful magnetic circuit and dedicated headphone amplifier deliver strong, high-fidelity audio Internal battery provides up to eight hours of playback from the built-in music player and five hours of wireless playback from a Bluetooth device. Headphones provide voice confirmation (in English) of various functions, including power on/off, Bluetooth connection status, and low battery level.

Key Differences

JBL Synchros E40 BT uses Bluetooth 3.0 while Audio Technica ATH-SPORT90BT supports Bluetooth 4.1, which can impact connectivity stability and efficiency. The frequency response differs (20 - 20,000Hz vs 20Hz - 25KHz), which can influence how well the headphones reproduce lows, mids, and highs. There is a noticeable difference in weight (205 g vs 22.0 GM), which may affect comfort during extended use. Battery life varies between the two (Talktime : 24 Hrs, Music Time : 16 Hrs vs 8 Hours), which affects how long you can use them on a single charge. JBL Synchros E40 BT and Audio Technica ATH-SPORT90BT are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Impedance levels vary (32 Ohms vs 16 ohm), which can affect compatibility and audio output when used with different devices. The driver size differs between the two (40 mm vs 6 mm), which can influence sound depth, bass response, and overall audio clarity. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. From a usability standpoint, both models provide a reliable and premium headphone experience.

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

Top Differences

Battery Life: Talktime : 24 Hrs, Music Time : 16 Hrs vs 8 Hours
Driver Size: 40 mm vs 6 mm
Bluetooth: 3.0 vs 4.1
Weight: 205 g vs 22.0 GM
Impedance: 32 Ohms vs 16 ohm

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Key Differences

Top Differences