Douk Audio 5 Band Equalizer Bluetooth Eq Preamp For Home Stereo/Computer Speaker/Amplifier With Vu Meter (Eq5 Tone Upgraded Vers

Warm Tips 1.Without A Power Adapter, Eq5-Tone Needs To Be Powered By Separate Usb Power Supply. Don'T Use The Usb Port Of Computers Or Share The Power Supply With Audio Source, Otherwise Common Ground Noise Will Be Caused. 2.Stereo Rca And 3.5Mm Aux Input Are In Parallel, Two Inputs And Outputs Will Work Simultaneously, So To Avoid Signal Mixing, Please Don'T Connect Rca And 3.5Mm Aux Input At The Same Time. 3.Eq5-Tone Can Input And Output Audio Signal Without Power Supply In Bypass Mode. However, If The Signal Hasnt Been Preamplified, The Vu Meters Will Not Function. Parameters Brand: Douk Audio Model: Eq5-Tone Audio Input: Bluetooth / Stereo Rca / 3.5Mm Aux Audio Output: Stereo Rca / 3.5Mm Aux Eq Bands:75Hz / 400Hz / 800Hz / 4Khz /10Khz Bypass Function: Support Balance Adjustment Of L/R Channel: Support Input Impedance: 50Ko Output Impedance: 15O Frequency Response: 5Hz-20Khz Thd: 0.003%@1 Khz Working Voltage: Dc 5V (=500Ma) Power Interface: Usb (Type-C) Diameter Of Vu Meter: 45Mm Dimensions(W*D*H): 164*108*82Mm / 6.46*4.25*3.23In Package Dimensions(W*D*H): 210*L85*100Mm/8.27*7.28*3.94In Net Weight:730G /1.61Lb Package Weight:1.0Kg/2.20Lb Packing List 1*Eq5-Tone Equalizer 1*Usb Cable (Type-C) 1*User Manual 1*Screwdriver