ITEM NAME:NE5532 Preamp Preamplifier Tone Board 2 Channel Bass Treble Volume Control img *{margin:0;padding:0;.Adopts NE5532 front chip for for better performance. 1 Piece NE5532 Preamplifier Tone Board. Number of Channel: Dual-channel Audio. Panel size: Approx 90mm 23mm. Due to the difference between different monitors, the picture may not reflect the actual color of the item.