Specification: Item Type: Phono Preamp_x000D_Material: Iron Shell_x000D_Inputs: _x000D_Type: RCA Connector_x000D_Impedance: 47k_x000D_Maximum Input Level: -23.5 dBV at 1kHz_x000D_Outputs: _x000D_Type: RCA and 1/4in, Stereo Connectors_x000D_Impedance: 50W_x000D_Maximum Input Level: +11.5 dBV at 1kHz_x000D_Frequency Response: RIAA_x000D_THD: 0.06%typ. at -40dBu/1kHz_x000D_Gain: 35dB_x000D_SNR: 68 dBu at 0dBu, A Weighted_x000D_Input Sensitivity: 5.3mV at 1kHz_x000D_Voltage: 100-240V Features: 1Multiple 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. 2Convert 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. 3Independent Volume Control: The phonograph preamplifier uses an ultra low noise operational amplifier to provide independent output volume control. 4Compact And Durable Design: Phono preamp is housed in a metal shell for rugged durability. Compact size and portable, easy to integrate into any setup. 5RIAA Equalization: The phono preamplifier equalizes the turntable signal according to RIAA specifications, ensuring accurate playback and delivering premium sound. PackageList: 1 x_x000D__x000D_PhonoPreamp 1 x User Manual 1 x Adapter