The Westone W10 In Ear Monitor (IEM) is a single driver solution featuring a single balanced armature driver that delivers high fidelity sound reproduction.

The Westone W20 In Ear Monitor (IEM) is a true dual-driver earphone designed to expand your audio horizons, the W20 uses separate bass and high frequency balanced armature drivers to enhance your listening experience with incredible detail and dynamics.

The Westone W30 In Ear Monitor (IEM) is a triple-driver earphone designed for the serious audiophile, the W30 uses separate bass, mid-range and high frequency balanced armature drivers in conjunction with an advanced 3-way crossover for a truly awesome listening experience.

The Westone W40 In Ear Monitor (IEM) earphone will take your listening experience to an entirely new level. Four balanced armature drivers and a three-way crossover network deliver breathtaking clarity and realism.