Pinit Pathway Preamplifier SKU: 1003339 Brand: Prometheus GroupPathway® sEMG Preamplifier (Available in White or Gray) for the 6750 Electrodes for the MR Series sEMG Systems and TR Series sEMGs. $249.99 Login to View Professional Pricing Quantity discounts available QuantityPrice Quantity -+ Add to Shopping Cart Print Details Pathway® sEMG Preamplifier (Available in White or Gray) for the 6750 Electrodes for the MR Series sEMG Systems and TR Series sEMGs. 5' length. Product Reviews DetailsProduct Reviews Back Pathway® sEMG Preamplifier (Available in White or Gray) for the 6750 Electrodes for the MR Series sEMG Systems and TR Series sEMGs. 5' length. Back