Color: blackMaterial: ABS + copperSize: 450 cm longJoint: 2.5 mm、Specifications:Sensitivity:-30dB+/-2dBFrequency Range: 50Hz-20KHzOutput Impedance: ¡Ü2.2 k¦¸ SNR: >58dBStandard Operation Voltage: 4.5V Operation Voltage: 1.0V-10V.DCRef Accessory Type: the Pioneer CD-VM1Compatible for :PioneerPackage inculded:1*Microphone