... theatre/computer 5.1 subwoofer speaker, 5.1 computer speaker, 5.1 multimedia speaker, computer speaker, 5.1 channel speaker, 5.1 sound box, 5.1 home ... power indicator on front panel in ring3. front panel control for volume,treble,bass,balance.4. subwoofer:20Hz-300Hz5. separation:≥45dB± ... -languages, multi-subtitles and multi-angle display function. 10. in colour box package, any OEM order is welcome