【Norma】象征物是「角尺」，主打空间感，音乐空间的深度和质感突出。
Norma means "Angel Square”, it sketches out the spatial feeling and surrounding feeling of music.
Specification
4 Balanced Armature Drivers
3 ways passive crossover
Frequency：20Hz－19KHz
Sensitivity：119dB SPL/mW
DCR：11ohm
Noise：26dB
