1. Multiple Connection Options: 2 (L, R) inputs, 2 (L, R) outputs, 1 1/4in outputs to meet the needs of different sound equipment connections.2. Convert Signal: Use the phono turntable preamp to convert phono signals to line level signals, easily convert records to digital sound files, providing excellent sound quality.3. Independent Volume Control: The phonograph preamplifier uses an ultra low noise operational amplifier to provide independent output volume control.4. Compact And Durable Design: Phono preamp is housed in a metal shell for rugged durability. Compact size and portable, easy to integrate into any setup.5. RIAA Equalization: The phono preamplifier equalizes the turntable signal according to RIAA specifications, ensuring accurate playback and delivering premium sound.Specification:Item Type: Phono PreampMaterial: Iron ShellInputs: Type: ConnectorImpedance: 47kΩMaximum Input Level: -23.5 dBV at 1kHzOutputs: Type: and 1/4in, Stereo ConnectorsImpedance: 50WMaximum Input Level: +11.5 dBV at 1kHzFrequency Response: RIAATHD: 0.06%typ. at -40dBu/1kHzGain: 35dBSNR: 68 dBu at 0dBu, A WeightedInput Sensitivity: 5.3mV at 1kHzVoltage: 100-240VHow to Use:Plug and play.packing list:1 xPhono Preamp1 x User Manual1 x Adapter