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.

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. The driver size differs between the two (40 mm vs 6 mm), which can influence sound depth, bass response, and overall audio clarity. JBL Synchros E40 BT uses Bluetooth 3.0 while Audio Technica ATH-SPORT90BT supports Bluetooth 4.1, which can impact connectivity stability and efficiency. 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. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. Impedance levels vary (32 Ohms vs 16 ohm), which can affect compatibility and audio output when used with different devices. From a usability standpoint, both models provide a reliable and premium headphone experience. If you're comparing JBL Synchros E40 BT and Audio Technica ATH-SPORT90BT, both models offer a strong combination of sound performance, comfort, and modern wireless features.

Verdict: Choosing between JBL Synchros E40 BT and Audio Technica ATH-SPORT90BT depends on whether you value better sound, longer battery life, or enhanced 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

Compare JBL Synchros E40 BT with:

Compare Audio Technica ATH-SPORT90BT with:

Top Differences