D8 Software - 2026 update On both units and both have new internal cooling fans.

Experience one of the most sought-after frequency generator systems available.

This complete set is in great, fully functional condition, thoroughly cleaned before shipping and ready to use.

Includes:

• GB-4000 20 MHz Frequency Generator with a brand new update and BNC connector

• SR-4 30 MHz Amplifier 15 Watt

• Stainless Steel Hand electrodes with navy blue covers. Covers have some discoloration see picsz

• Brand new stainless foot plates with new covers (2)

• All connecting banana cables and interface cords.

• Generator manual

• Universal Frequency List spiral manual

• BNC Cable for connecting the units 3ft

• Power adapters for both units

Condition:

• Great to Excellent Condition

• All functions, frequencies, and display confirmed working

Shipping & Handling

• Ships within 1 to 2 business days

• Professionally packed