Brand Name: QIQIZHU Power Source: Ac Inbox adaptor: Yes Cabinet Material: Plastic Audio Crossover: Full-Range Waterproof: No Voltage range: USB (5-20V DC) Communication: Optical Input Communication: Coaxial Input Speaker Type: Combination Channels: 6 (5.1) Support APP: No Battery: No Category: Speakers Use: KTV System Origin: Mainland China Sound Mode: 3D Surround Sound Mode Voice Control: No Power Source: Ac Number of Loudspeaker Enclosure: 4 Input Power(W): 100-199 W High-concerned chemical: None Input/Output: Other Intelligent Personal Assistant: None Bluetooth Version: 5.0 Output Voltage: 100 W Support Memory Card: Yes Playback Function: MP3 Display Screen: Yes Certification: CE PMPO: 1000W Material: Plastic Built-in Microphone: Yes Frequency Range: 100Hz-20KHz function1: New Technology 5.0 Wireless Bluetooth Connection function2: Hi Fi audio chip function3: 8-inch bass unit function4: Surrounding 5.1+12 sets of speaker units function5: High power multifunctional subwoofer function6: Supports wireless Bluetooth transmission, audio (AUX) input