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This new flagship from Rose Technics, BR7 seems very very interesting. It seems to be a combination of Knowles & Sonion balanced armature...
Warm and elegant, born for sound
Perfect ergonomic design
By sampling and comparing 24 Asian ear canal 3D data, it has repeatedly...
Rose North Forest Dynamic Driver HiFi Metal In-ear Earphone
Excellent HiFi sound quality performance...
Impedance: 32 ohm,
Catheter diameter 2.5mm
Frequency response range: 20 - 20000 Hz