ST-5B
5-Channel Class AB Amplifier delivering 70W RMS of daily-driver Zapco power.
Committed to Excellence. The ST-B series is the accessible entry point into authentic Zapco amplification. It anchors the foundation of the Zapco lineup, delivering the brand's clean, honest power to first-time and budget-minded builds. Configured as Class AB 5-Channel Entry, the ST-5B is rated at 4x70W @4Ω + 1x250W @4Ω. It is 4Ω stable. Ideal as an accessible first amplifier, it pairs naturally with ESB 1000, 2000, 3000 Series speakers and 3.10 subwoofer.
- Max Output
- 250 W
- Impedance
- 4Ω stable
Our actual price is below the manufacturer's advertised minimum — final price is shown in cart.
- Authorized dealer
- Free US shipping
- Manufacturer warranty
SKU: ZAP-AMP-ST5B-5CHAB
Built for the install, not the spec sheet
Committed to Excellence. The ST-B series is the accessible entry point into authentic Zapco amplification. It anchors the foundation of the Zapco lineup, delivering the brand's clean, honest power to first-time and budget-minded builds.
Configured as Class AB 5-Channel Entry, the ST-5B is rated at 4x70W @4Ω + 1x250W @4Ω. It is 4Ω stable.
Ideal as an accessible first amplifier, it pairs naturally with ESB 1000, 2000, 3000 Series speakers and 3.10 subwoofer.
Measured, not marketed
Power
| Configuration | Class AB 5-Channel Entry |
|---|---|
| RMS | 4x70W @4Ω + 1x250W @4Ω |
Electrical
| Class | Class AB |
|---|---|
| Impedance | 4Ω stable |
| Frequency Response | — |
Physical
| Weight | 21.4kg |
|---|---|
| EAN | 8033373005848 |
Datasheets, manuals & templates
No documents attached yet.
