DETAILSFeatures: 2 Vacuum Tube Power Amp BT Wireless Streaming Ability Double-sided Fiber Circuit Board CD/DVD Inputs (L/R) Aux/3.5mm Inputs Jack Pure Copper Terminal Output Treble, Bass, and Master Volume Controls Bluetooth Connectivity: Receives Wireless Signal for Audio Streaming Simple & Hassle-Free Pairing Setup Integrated Antenna for Extended Wireless Range Works with All of Today’s Latest Devices (Smartphones, Tablets, Laptops, Computers, etc.) Bluetooth Version: 5.0 Bluetooth Network Name: 'PYLEUSA' Wireless Range: 40'+ Ft. What's in the Box: (1) Bluetooth Tube Amplifier (1) Power Adapter Technical Specs: Power Output: 600 Watts Peak Power Power supply: AC 120V/240V, DC 19V 4A Construction Material: Aluminium Amplifier Chip: TPA3116 Rated output power: 2*50W /4O Audio input: RCA input + BT input Audio output: 1 set of Banana Speaker Jacks Signal to noise ratio:>99dB Frequency: 20Hz-20KHz Product Dimension (L x W x H): 4.65'' x 6.3'' x 2.87'' -inches What's In The BoxWhat's in the Box: (1) Bluetooth Tube Amplifier (1) Power Adapter MANUALS & DOWNLOADS PVTA20 - Manuals