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Description
Driver unit: 30mm, 32 ohms
Frequency response: 20Hz to 20kHz (ANC-circuit), 70Hz to 20kHz (speaker)
Sound pressure lever (SPL): 92dB, 3dB
Noise reduction maximum level: 15dB, 2dB
Around center frequency: 200Hz
Noise reduction active range: 100Hz to 800Hz
Total harmonic distortion (THD): < 1%
Range of operating voltage: 2.5VDC to 3.5VDC
Jack plug: 3.5mm stereo
Control feature: power on/off
Power source: 2 x AAA battery (alkaline battery 100mAh)
Dimensions (W x D x H): 155 x 58 x 173mm
Color: shining blue, golden, golden brown, black, silver
Material: plastic
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USB speakers...
Polestar Technology Corp
speaker
Address: No. 21-1, Lane 137 Chung Shan N. Road, Sec. 2,
Taipei, Taiwan
China, 104
Tel: (886 2) 25517009
Fax: (886 2) 25428550
