Here is a working set of original Ensoniq SQ-80 OS HI/LO ROMS V1.50 from 1988. These came out of a working 1988 Ensoniq SQ-80 that was upgraded to V1.80. These still work and can be used in a unit that has bad ROMS. Any questions, please ask. Happy bidding/buying!

Listed3 years ago
ConditionGood (Used)
Good condition items function properly but may exhibit some wear and tear.learn more
  • SQ-80 OS ROMs HI/LO V 1.50
  • 1988
Made In
  • United States

Reverb Protection

Simple Returns, Secure Transactions, Human Support

Learn more

Secure Checkout


Rockford, IL, United States
Joined Reverb:2017

Reverb Gives

Your purchases help youth music programs get the gear they need to make music.

Carbon-Offset Shipping

Your purchases also help protect forests, including trees traditionally used to make instruments.

Oops, looks like you forgot something. Please check the fields highlighted in red.