Golde field 4:1 Multimedia Speaker (Support Remote/Memory card/USB)

LA-121D speakers system
R.M.S: 40W (USB/SD,FM with Remote)
Subwoofer: 15W(THD=10%)
Satellites: RMS 12.5W*4 (THD=10%)
Frequency response: 20Hz~20KHz
Subwoofer driver unit: 5”
Satellite driver unit: 3”*2
External Function USB/SD with Remote
PCS/CTN 4