【Preamplifier for record player】The amplifier transmits and amplifies music from the record player to stereo systems.2 * RCA(L & R) input + 2 * RCA(L & R) output interfaces. 【High-quality Electronic Components】This amplifier is newly updated and equipped with high-quality electronic components to make the expression of the music signal natural and clear. SIMPLE PLUG & PLAY: LP-A Mini Phono Preamp has gold plated stereo RCA inputs and stereo RCA outputs. Connect the turntable to the RCA inputs and attach the ground wire from your turntable to the grounding screw found on the preamp. Connect the amplifier or receiver to the RCA outputs of the preamp and you’re ready to spin up some vinyl. Your turntable should provide you with a ground wire if needed. Simple as that! POWER ADAPTER INCLUDED: 12VDC power adapter tested for quiet operation and soft LED Power indicator on the LP-A preamp indicates the unit is powered on and ready to convert signal. 【Worry-Free Service】: Our products are rigorously tested to ensure that each has extraordinary stability. If you have any questions about our products, you can contact us at any time, and our customer service will reply within 24 hours.