The ADEL™ B1 Auto Modules are designed to bring even more transparency and spaciousness to IEMs and earplugs. This is achieved by a single membrane design, which slightly reduces the bass and brings more spaciousness to the midrange and highs. The ADEL™ B1 is non-adjustable and automatically works to absorb the pneumatic pressures in your ear canal. and also reduces the occlusion effect (boom of your voice) even further to give singers and active wearers fatigue-free listening. Noise Isolation is -10db.

The ADEL™ G1 Auto Modules are designed to bring even more clear bass to IEMs and earplugs. This is achieved by a different membrane design, which slightly increases the bass . The ADEL™-G1 is non-adjustable and automatically works to absorb the pneumatic pressures in your ear canal. and also reduces the occlusion effect (boom of your voice) even further to give singers and active wearers fatigue-free listening. Noise Isolation is -10db.

These ADEL™ Manual Adjustable Modules are the most advanced Asius products yet.

This pair features easily adjustable controllers which can be turned while listening to music, and adjustable valves that help regulate pneumatic pressure, and each has a secondary membrane tensioner, as well as an adjustable "secondary" Eustachian tube.