QSC ISA
Checked by hand on 4 October 2026
Every version of the ISA in one place. 8 for sale right now.
Pick your version
Same name, different money: prices are per version.
| Version | Typical used | For sale | From |
|---|---|---|---|
| ISA 300Ti | 23 sold | 1 | €399 |
| ISA280 2-Channel Cinema Installation Power Amplifier | 8 sold | 1 | €581 |
| ISA750 2-Channel Cinema Installation Power Amplifier | 11 sold | 1 | €804 |
| ISA 800Ti | 2 sold | 3 | €532 |
For sale right now
Grouped by version, best-priced first within each. Each card says when we last confirmed its listing at the source.
QSC ISA 800Ti
eBay United States
1 auction running · next ends in 4d
A bid is not an asking price, so no saving is shown.
QSC ISA 300Ti
eBay Germany1 auction running · next ends in 3d
A bid is not an asking price, so no saving is shown.
One of each
€804
United StatesLast confirmed 6 days ago
€581
United StatesLast confirmed 6 days ago