Use for NDSI console Traits: Colors Available : White Type of Packing : Blister Packing Packing Information : Q'ty/Carton : 40pcs Carton G.W : 4.300 kgs Carton Size (L * W * H) : 46.0 cm * 30.0 cm * 40.0 cm
1) Double stero speaker; sound and alt-bass clearly
2) Sound function with clearly
Speaker
1) 108+/-3dB at 1000Hz/1.26v
2) Resonance frequency FO 250HZ+/-20%
3) Frequency response 20~20KHz
4) Degree of distortion: input power rating 1KHz and the most degree of distortion is 5%
Microphone
1) Sensibility: 58+/-5dB
2) S/N ≤ 60dB
3) Frequency response 30~16000HZ
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