Input: 1/4 inchmono audio interface (impedance: 1 M Ohms
Output: 1/4 inchmono audio interface (impedance: 100Ohms)
Power supply: 9 V DC current (external positive and internal negative ⊕←⊙)
Working current: 26mA Size: 95 x 45 x 48mm
Color: White
Material: aluminium alloy
Package Contents:
1 x noise reduction effect