What this phono preamplifier can offer you is that it can convert phonon signal to line level signal. It can provide you with two RCA (L and R) inputs, two RCA (L and R) outputs and a 1/4 inch TRS output.Ultra-low noise audio performance is the outstanding feature of this phono preamplifier, so it can provide you with excellent sound quality. The phono preamplifier is marked by compact size and metal housing, so it can achieve long term use and is easy to carry.Using high quality metal material, this product is firm and durable to use.The length of the product is 10.5cm, the width is 5.5cm, and the height is 3cm.It is suitable for home, office, KTV, school, dormitory, etc. Equipped with power adapter, level signal control and loudness volume control, it is convenient to use.Item Name: Phono PreamplifierMaterial: MetalFeatures: Low Noise, Line Level Signal, Volume ControlSize Details: 10.5cm x 5.5cm x 3cm/4.13" x 2.17" x 1.18" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Phono Preamplifier1 x Power Adapter1 x User Manual