And adding two microphones, one floor and one mobile, and a stand And three internal and external speakers Technical Specifications Brand: LECXO Model: LXA-45BTE Device Type: PA Mixer Amplifier Operating Power: 1200 Power Sources Bluetooth USB Built-in Digital Audio Player Microphone Inputs: 5 x Mic AUX Input: 1 Speaker Outputs: Sound Effects: Echo and Delay for microphone Automatic Switching Feature: from DC to AC and vice versa Country of Manufacture: India