AIYIMA 2Pcs Audio Tweeter Piezo Speakers 100W Horn Piezoelectric Sound Speaker Driver Treble Buzzer Loudspeaker DIY Home TheaterBrand Name: Aiyima Communication: Audio Line Battery: No Speaker Type: Portable Power Source: None Number of Loudspeaker Enclosure: 2 Certification: CE Certification: RoHS Cabinet Material: plastic Audio Crossover: Two Way Channels: 2 (2. 0) Origin: CN(Origin) Input Power(W): <25 W Intelligent Personal Assistant: None Output Power: 100W Remote Control: No Support Memory Card: No Display Screen: No Voice Control: No Material: plastic Support Apt x: No