FX9 BlueBooth Digital karaoke/singing Preamp (PA33)Product Name: BT Digital karaoke singing Preamp Model: FX9 Brand: SNW Warranty: 12 Months FX9 is the professional unit for your Karaoke system, can apply to parties, restaurants premises, etc. The Versatile unit offers Bluetooth connection, along with other 4 ways input, offers flexibility; Echo effect will take your singing to the next level!! Features: Digital LCD Display Echo effect Built in electronic crossover for Subwoofer output Extra Center