Original seapiano sound system sp-821
specification: power: ac 220v-240v 50hz
rated power: 150w;
total output power: 120w;
output power: sub woofer: 80w 2ω thd1% 100hz,
satellite speaker: 20w× 2 4ω thd1% 1khz;
driver unit: 8"sub woofer× 1+3" mid-range× 2+1.5"tweeter× 2;
features: fm radio; led display; bluetooth function; with usb 2.0, sd card port; mp3/wma available; full function infrared remote control;
karaoke function with dual microphone jacks; high-frequency switching power transformer; built-in high efficient digital power amplifier;
packing: color black box size: 41*30*54cm,
compatible with tv, computer, cd, vcd, dvd, mobile phone, mp3 player, etc.
speaker material: mdf wood+plastic
adjusting method: keystroke+knob play frequency
usage: karaoke, computer, home theater system, radio, portable player, tv, mobile phone