Photo 1 of XUNGUAN Professional KTV digital pre-effector, audio digital effect processor, One button to prevent howling, USB, MP3, BT, OPTICL,5

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Photo 1 of XUNGUAN Professional KTV digital pre-effector, audio digital effect processor, One button to prevent howling, USB, MP3, BT, OPTICL,5Photo 2 of XUNGUAN Professional KTV digital pre-effector, audio digital effect processor, One button to prevent howling, USB, MP3, BT, OPTICL,5Photo 3 of XUNGUAN Professional KTV digital pre-effector, audio digital effect processor, One button to prevent howling, USB, MP3, BT, OPTICL,5