Item Type: Phono Preamp_x005F_x000D_Material: Metal_x005F_x000D_Colour: Black_x005F_x000D_Frequency Response: RIAA_x005F_x000D_THD: 0.06% typ. at -40 dBu/1 kHz_x005F_x000D_Added Value: 35dB_x005F_x000D_Signal To Noise: 68dBu at 0dBu, A weighted_x005F_x000D_Input Sensitivity: 5.3mV at 1kHz_x005F_x000D_Product Adapter: 50/60Hz 12V/1A(EU plug 100-240VAC) 1ULTRA COMPACT SHAPE: This is an ultra compact preamplifier with metal case for portability and durability, possess long service life 2VARIOUS CONNECTION OPTIONS: 2 XRCA inputs (L and R), 2 XRCA outputs (L and R), and 1x 1/4in for TRS output, multiple connection options 3CONVERT SIGNAL: Phono preamp works for convert telephone signal to line level signal, input sensitivity is 5.3mV at 1kHz 4EXCELLENT PERFORMANCE: Ultra low AU?DIO performance providing excellent sound quality, metal material is shiny, sturdy and durable 568DBU AT 0DBU SNR: Frequency response of phono preamp is RIAA, 35dB increase, SNR is 68dBu at 0dBu, A weighted, very stable