Features: Provides highly quality sound gains. Two channel design, presenting a 3d sound experience. Support the adjustment of parameters such as volumes and tone. Ensures the clarity and stability of sound signals. Solid case design provides long term use guaranteeing. Suitable for audiophiles and HiFi music lovers. The builder of sound entertainment system. Specifications: Component:Metal+Electronic Component Size:Approx.88x75x38mm/3.46x2.95x1.49inch Package Includes: 1 Set Phono Preamplifier note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.