1Pcs 4.5 Inch Woofer Sound Speaker 4 8 Ohm 30W 25 Core Super Bass Audio LoudSpeaker Subwoofer Bluetooth Speaker DIY

Sound Mode : Standard Mode Category : Speakers Use : Home Input Power(W) : 25-49 W Voice Control : No Frequency Range : Other Output Power : Other Display Screen : No Waterproof : No Support APP : No Support Memory Card : No Material : Metal Playback Function : None Remote Control : No Support Apt-x : No Intelligent Personal Assistant : None Display Screen : No Built-in Microphone : No Audio Crossover : Two-Way Number of Loudspeaker Enclosure : 1 Power Source : None Channels : 1

Battery : No Communication : Audio Line Speaker Type : Portable Cabinet Material : Metal Model No.: AAAAA521986711

Certification : none

4.5 inch woofer rubber side heavy bass Size:4.5 INCH (115MM) Rated impedance: 4 ohm/8 ohm(optional)±15% Voice Coil Size：25.5MM Rated Power：30W 4ohm / 30W 8ohm Max Power：40W 4ohm / 40W 8ohm Output S.P.L：84DB Resonant Freq (FO)：72Hz Freq Response：72Hz--12KHz  Package List : 1Pcs 4.5 Inch Woofer Speaker