Features 1.Multiple Connection Options: 2 RCA (L, R) inputs, 2 RCA (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 s, ensuring accurate playback and delivering premium sound. specificationItem Type: Phono Preamp Material: Iron Shell Inputs: Type: RCA Connector Impedance: 47k Maximum Input Level: -23.5 dBV at 1kHz Outputs: Type: RCA and 1/4in, Stereo Connectors Impedance: 50W Maximum Input Level: +11.5 dBV at 1kHz Frequency Response: RIAA THD: 0.06%typ. at -40dBu/1kHz Gain: 35dB SNR: 68 dBu at 0dBu, A Weighted Input Sensitivity: 5.3mV at 1kHz Voltage: 100-240V PackageList1 x PhonoPreamp 1 x User Manual 1 x Adapter