Original replacement prepamp board used on Messinger Amplifiers. Includes: 1 - JW2EN-DC12V and 1 - N4078-2C-12V relays. The board is designed to work with 400B-2 PCB. Varying cosmetic differences
RB4-11 Messenger Pre-Amp Board with Relays installed (NOS)
Original replacement prepamp board used on Messinger Amplifiers. Includes: 1 - JW2EN-DC12V and 1 - N4078-2C-12V relays. The board is designed to work with 400B-2 PCB.