
Class-D 4-channel SQ III amplifier — 4 × 200 W RMS at 4 Ω.
| Power 4 Ω Stereo | 4 × 200 W |
| Power 2 Ω Stereo | 4 × 290 W |
| Amplifier Class | D |
| Channels | 4 |
| Inputs | RCA low-level + speaker-level |
| Crossover | Low-Pass / High-Pass |
| Brand | Zapco |
| Series | ST-X |
| Model | ST-204D SQ III |
| EAN | 8033373005336 |
Genuine product · Authorized U.S. dealer · Drop-shipped direct