Specifications:RP1528BAT-50 Type:2 Way active speakers Frequency :50-20KHz Power:80W RMS Woofer:15″ VC(2")50.5mm Magnet 40OZ Tweeter:Super Piezo Amplifier:Class/D Switc Power supply Special function:MP3+USB+SD+BT+FM+Remote+RGB Light Battery:With 12V/4.5AH lead-acid battery Cabinet:With pull rod+wheels MIC:With one Wireless Microphone FAQ Q: What kind of speakers do you have? A: Portable active speaker, line array speaker,economic active speaker, economic PA combo, professional PA combo, class - D active speaker,subwoofer PA combo, active PA subwoofer,economic battery speaker,portable PA system, economic PA system, power box mixer, professional power amplifier, RGB light woofer, etc. Q: What are the advantages of your speaker box? A: We are qualified direct factory with good prices; Strong QC team that well controls the product quality; Strong and advanced technical team, which provides quick response on technical issues