Brand Name: GHXAMP Power Source: None Inbox adaptor: No Cabinet Material: Metal Audio Crossover: Three-Way Waterproof: No Communication: Bluetooth Communication: Audio Line Speaker Type: Combination Channels: 1 Support APP: No Battery: No Category: Speakers Use: others Origin: Mainland China Sound Mode: Other Voice Control: No Power Source: None Number of Loudspeaker Enclosure: 1 Input Power(W): 25-49 W High-concerned chemical: None Input/Output: Other Intelligent Personal Assistant: None Remote Control: No Support Apt-x: No Output Voltage: Other Support Memory Card: No Feature: None Playback Function: DVD Playback Function: Radio Playback Function: CD Playback Function: MP3 Playback Function: Other Display Screen: No Certification: None Wi-Fi Music: Other PMPO: Other Impedance: 8 Ohm Material: Metal Display Screen: No Built-in Microphone: No Frequency Range: Other Category: 3 inch mid speaker unit Power range: 15W-30W Used: For car speaker,3 way speakers Feature: HIFI,Neodymium,Aluminum ceramic Frequency response range: 93Hz-10KHz