Ultra low noise audio performance, provides excellent sound quality.Ultra-compact phono preamp with metal shell, portable and durable.2 x RCA(L & R) input + 2 x RCA(L & R) output interfaces.With level control konbs for adjusting volume.For converting the phono signal to a line level signal.Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on.Mains connection: external power supply,12 V / 150 mA;Input:Type RCA connectorImpedance approx. 47 kWMax. input level -23.5 dBV @ 1kHzOutput:Type RCA and ¼ inch TRS, stereo connectorsImpedance approx. 50 WMax. output level +11.5 dBV @ 1 kHzSystem Specifications:Frequency response:RIAATHD:0.06% typ. @ -40 dBu/1 kHzGain:35 dBSignal-to-noise ratio:68 dBu @ 0 dBu, A-weightedInput sensitivity:5.3 mV @ 1 kHzColour:blackMaterial:MetalSize:10 x 6 x 3.5cmPackage Contents:1 x Phono Preamplifier1 x Power AdapterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.