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Zapco ST-2B 2-Channel Class AB Car Amplifier
SKU ST-2B
Original price
₹10,990.00
Sale price
₹7,690.00
Free shipping in India
The Zapco ST-2B is a 2-channel Class AB amplifier from the ST-B (Studio-B) series, built for everyday systems.
- 2 x 65 W at 4 ohm, 2 x 90 W at 2 ohm or 1 x 180 W bridged at 4 ohm.
- MOSFET power supply in an extruded aluminium chassis.
- Variable full / low-pass / high-pass crossover and bass boost (0–12 dB).
- RCA and OEM speaker-level inputs; RCA outputs.
- THD less than 0.1% at rated power; signal-to-noise ratio more than 90 dB.
Genuine Zapco product.
Quantity
Technical Specs
| Brand | Zapco |
| Model | ST-2B |
| Series | ST-B (Studio-B) |
| Type | 2-channel Class AB amplifier |
| Power at 4 ohm | 2 x 65 W |
| Power at 2 ohm | 2 x 90 W |
| Bridged power at 4 ohm | 1 x 180 W |
| THD at rated power | Less than 0.1% |
| Signal-to-noise ratio | More than 90 dB |
| Channel separation | More than 45 dB |
| Frequency response | 15 Hz – 30 kHz (±1 dB) |
| Input sensitivity | 0.25 – 5 V |
| Inputs / outputs | 2 x RCA in / 2 x RCA out; OEM speaker-level input |
| Controls | Gain, full / low-pass / high-pass crossover, bass boost 0–12 dB |
| Power supply | MOSFET |
| Dimensions | 200 x 182 x 52 mm (L x W x H); 230 mm overall length |
Shipping, Returns & Warranty
Free shipping across India. Orders are dispatched within 1–2 business days and usually delivered within 2–9 business days.
Free 3-day returns on unused, undamaged items in original packaging.
Warranty: Zapco's manufacturer warranty applies where Zapco offers one; its terms and duration are set by Zapco.
Questions before you order? WhatsApp us on +91 86999 90703.
Shop More
Read our review: Zapco ST-2B Review: A Budget Class AB Amp for Factory Head Units
Shop more: Zapco Multi-Channel Amplifiers · Multi-Channel Car Amplifiers · All Zapco products
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