Feature: 1. ULTRA COMPACT SHAPE: This is an ultra compact preamplifier with metal case for portability and durability, possess long service life 2. VARIOUS CONNECTION OPTIONS: 2 XRCA inputs (L and R), 2 XRCA outputs (L and R), and 1x 1/4in for TRS output, multiple connection options 3. CONVERT SIGNAL: Phono preamp works for convert telephone signal to line level signal, input sensitivity is 5.3mV at 1kHz 4. EXCELLENT PERFORMANCE: Ultra low AU‑DIO performance providing excellent sound quality, metal material is shiny, sturdy and durable 5. 68DBU AT 0DBU SNR: Frequency response of phono preamp is RIAA, 35dB increase, SNR is 68dBu at 0dBu, A weighted, very stable Specification: Item Type: Phono Preamp Material: Metal Colour: Black Frequency Response: RIAA THD: 0.06% typ. at -40 dBu/1 kHz Added Value: 35dB Signal To Noise: 68dBu at 0dBu, A weighted Input Sensitivity: 5.3mV at 1kHz Product Adapter: 50/60Hz 12V/1A(EU plug 100-240VAC). Package List: 1 x Amplifier1 x User Manual 1 x Power Adapter Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.