Output Power : 25w

Frequency Rosponse : VHF 210-270MHz

Speaker:6'' 4Ω

Type of  Battery :Sealed Battery

Power Adaptor : AC220V 50Hz or AC110V 50Hz(optiona)

Music Tone:MP3

Assudio Input : Wirele Receiver/USB/FM/Wired Mic

Weight approx: 24.2kg(amplifier incl. battery),30g(transmitter)

Dimwnsions : 220*290*150mm(amplifier),95*60*35(transmitter)

Standard Configuration : amplifier(optiona:handheld or headset mic)

Standard Configuration : amplifier,(optional : handheld  or lavalier or headset mic )

RECHARGEABLE WIRELESS PORTABLE PA AMPLIFIER (SR-8520 USB)