Professional 3-units pure balanced armature acoustic earphones, impedance: 25Ω, sensitivity 112db, frequency : 20-40000HZ, light weight30g, high performance zinc alloy
Professional 10-units pure balanced armature acoustic earphones, impedance: 30Ω, sensitivity 111db, frequency : 7-40000HZ, light weight 32g, high performance aluminium
Professional 2-units pure balanced armature acoustic earphones, impedance: 25Ω, sensitivity 112db, frequency : 7-40000HZ, light weight 27g, high performance black
Dynamic uni-directional microphone for podium-top use at lectures and speeches, ?53 x 353mm, 80Hz-12KHz, , senitivity -70dBV/μbar, impedance 600Ω, 400gr.