---
product_id: 810835617
title: "ST-5B 5-Channel Class AB Full Range Amplifier"
brand: "zapco"
price: "€ 472.21"
currency: EUR
in_stock: true
category: "Zapco"
url: https://www.desertcart.sk/products/810835617-st-5b-5-channel-class-ab-full-range-amplifier
store_origin: SK
region: Slovakia
---

# ST-5B 5-Channel Class AB Full Range Amplifier

**Brand:** zapco
**Price:** € 472.21
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** ST-5B 5-Channel Class AB Full Range Amplifier by zapco
- **How much does it cost?** € 472.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/810835617-st-5b-5-channel-class-ab-full-range-amplifier)

## Best For

- zapco enthusiasts

## Why This Product

- Trusted zapco brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

ST-5B 5 Ch. Full Range Class AB Amplifier Features and Functions 5-Channel, Class-AB Full Range Amplifier Stable into 4 ohms bridged or 2 ohms stereo load MOSFET power supply RCA and OEM speaker level input Variable Inputs Gain Control Variable FULL / LP / HP Electronic Crossover Variable Bass Boost Specifications Power @ 4Ω: 4 x 70 + 1 x 250 watts Power @ 2Ω: 4 x 100 + 1 x 400 watts Power @ 4Ω Bridged: 2 x 180 + 1 x 400 (2Ω) THD @ Rated Power  90dB Channel separation > 45dB Frequency Response 10Hz to 30,000Hz ±1dB Input Sensitivity .25v to 5v Dimensions: 7.16" (W) x 2.04" (H) x 15" (L)

## Features

- 5-CHANNEL CLASS-AB AMPLIFIER: Full-range amplifier delivers 4 x 70 watts at 4 ohms plus 1 x 250 watts subwoofer channel, or 4 x 100 watts at 2 ohms plus 1 x 400 watts for powerful, versatile audio performance.
- FLEXIBLE POWER CONFIGURATION: Stable into 4 ohms bridged or 2 ohms stereo load with bridged output of 2 x 180 watts plus 1 x 400 watts at 2 ohms for maximum flexibility in system design.
- ADVANCED MOSFET POWER SUPPLY: Features high-efficiency MOSFET technology with less than 0.2% THD at rated power, greater than 90dB signal-to-noise ratio, and greater than 45dB channel separation for clean, distortion-free sound.
- VERSATILE INPUT AND TUNING OPTIONS: Equipped with RCA and OEM speaker level inputs, variable input gain control from 0.25v to 5v, variable full/LP/HP electronic crossover, and adjustable bass boost for precise sound customization.
- COMPACT DIMENSIONS: Measures 7.17 inches wide x 2.05 inches high x 15 inches long overall, making it easy to install in tight spaces while delivering professional-grade amplification with 10Hz to 20KHz frequency response.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0GHPTN819 |
| Best Sellers Rank | #295,049 in Electronics ( See Top 100 in Electronics ) #747 in Car Multichannel Amplifiers |
| Brand Name | Zapco |
| Item Dimensions | 15 x 7.16 x 2.04 inches |
| Item Weight | 10 Pounds |
| Manufacturer | ZAPCO |
| Model | ST-5B |
| Warranty Description | 1 Year Warranty |

## Product Details

- **Brand:** Zapco
- **Item dimensions L x W x H:** 15 x 7.16 x 2.04 inches
- **Manufacturer:** ZAPCO

## Images

![ST-5B 5-Channel Class AB Full Range Amplifier - Image 1](https://m.media-amazon.com/images/I/51ktq8yjmpL.jpg)

---

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**Shop now:** [https://www.desertcart.sk/products/810835617-st-5b-5-channel-class-ab-full-range-amplifier](https://www.desertcart.sk/products/810835617-st-5b-5-channel-class-ab-full-range-amplifier)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-05-01*