Features: The amplifier offer adjustable Gains from 0-20db, giving you control over your sound experience. With its built in bluetooth-compatible 5.3 version, provides seamless wireless connectivity for setup.Enjoy a convenient sound connection. Designed for music enthusiasts and professionals, delivers exceptional performances and highly quality sound. Whether you're a musician, producer, or simply love great sound, this amplifier is a must have. Elevate your home entertainment system with amplifier. Experience enhanced sound quality and take your movie night to the next levels. From live performances to recording studios, Durability ensures lasting performances, making for any sound setup. Specifications: Component:Metal Size:Approx.75x38x88mm/2.95x1.49x3.46inch Package Includes: 1 Set Sound 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.