用户手册 — Vocopro DVD-Duet Multi Format Digital Karaoke System 5-Band Stereo Equalizer Tuning
用户手册 — Vocopro DVD-Duet Multi Format Digital Karaoke System 5-Band Stereo Equalizer Tuning 即将发布
用户手册 — Vocopro DVD-Duet Multi Format Digital Karaoke System 5-Band Stereo Equalizer Tuning 即将发布