Brand Name: GHXAMP Power Source: None Inbox adaptor: No Cabinet Material: Metal Audio Crossover: Two-Way Battery Charge Time: 0 Waterproof: No Voltage range: No voltage Communication: Audio Line Speaker Type: Combination Channels: 2 (2.0) Support APP: No Battery: No Category: Speakers Use: Home Origin: Mainland China Sound Mode: Other Surround sound channel configuration: Others Audio latency: 0 Voice Control: No Power Source: None Number of Loudspeaker Enclosure: 2 Input Power(W): 25-49 W High-concerned chemical: none Output Current: 0 Input/Output: Other Intelligent Personal Assistant: NONE Remote Control: No Support Apt-x: No Output Voltage: 20W Support Memory Card: No Feature: None Playback Function: Radio Playback Function: mp3 Playback Function: FLAC Playback Function: ape Playback Function: DVD Playback Function: CD Playback Function: Other Playback Function: None Display Screen: No Certification: CE Material: Metal Display Screen: No Built-in Microphone: No