The M-EAR 4D is a three-way design sporting four drive units – one for high frequencies, another for midrange and two for bass.

Specifications and Features:

• Driver configuration: 4x balanced armature drivers
• Crossover: Three-way system
• Noise isolation: -26dB
• Frequency response: 20Hz-20kHz
• Impedance: 66 Ohms (@1kHz)
• Output (sensitivity): 115dB @ 0.1V (1kHz)
• Cable: 1.45m detachable
• In-line microphone: SiSonic MEMS
• Accessories: 6x memory foam ear tips; carrying case