headphone -
headphone For Sale, Most Competitive Price, Fast Delivery, Custom Service, Wholesale headphone, Made in China, High Quality Products!, China , Supplier, Manufacturer.
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
Polestar Technology Corp
Address: No. 21-1, Lane 137 Chung Shan N. Road, Sec. 2, Taipei, Taiwan, China, 104
Tel: (886 2) 25517009
Overview
Established in 1991, Polestar is a specialized company with more than 10 years' experience in producing computer peripheral products. We offer a wide variety of IA products ranging from multimedia speaker systems to RF wireless mice, keyboards, headsets, LCD/TV monitors, DVD/VCD players as well as mobile phone accessories.
R&D
Supported with an array of research devices, our R&D operation aims at creating innovative products. We are capable of developing over 10 new models a year.
Quality Control
Conforming to ISO 9002 guidelines, we examine products to the last detail. Our QC process begins from the material stage through to the pre-packaging stage, ensuring only premium products are delivered to our customers.
OEM
Polestar's OEM sales and engineering group can design and produce speakers according to customer's exacting specifications. We welcome inquiries regarding custom brands for OEMs.
With a monthly capacity of 400,000 units, we believe we can meet the needs of any market. Call us now for more information.
