---
product_id: 93804151
title: "PR-800 Class A Class AB Professional Stage Power Amplifier Board with heatsink"
brand: "xiangshang shangmao"
price: "10454335₫"
currency: VND
in_stock: true
category: "Electronics"
url: https://www.desertcart.vn/products/93804151-pr-800-class-a-class-ab-professional-stage-power-amplifier
store_origin: VN
region: Vietnam
---

# PR-800 Class A Class AB Professional Stage Power Amplifier Board with heatsink

**Brand:** xiangshang shangmao
**Price:** 10454335₫
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** PR-800 Class A Class AB Professional Stage Power Amplifier Board with heatsink by xiangshang shangmao
- **How much does it cost?** 10454335₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/93804151-pr-800-class-a-class-ab-professional-stage-power-amplifier)

## Best For

- xiangshang shangmao enthusiasts

## Why This Product

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

## Description

Amplifier board information: Supply voltage: DC ± 20V to ± 95V It is recommended to use in ± 40 to 80V, the transformer output is the AC voltage, AC voltage needs to be rectified through the filter input to the power amplifier board. Speaker protection power AC9V-15V (AC single voltage), the transformer output directly input. Effective output power: 500W / 8? (± 95V power supply) 1000W / 4? (± 95V power supply) 1000W / 2? (± 65V power supply), the power amplifier board voltage 80v, for a higher supply voltage, need to replace the pressure Higher capacitance. 2? load is not recommended to exceed ± 65V, the power supply output power is basically determined by the supply voltage and speaker impedance, the lower the voltage, the smaller the power. Class A power: 100W (rms) ± 45V power supply, load 8?, total quiescent current 2.5A Total Harmonic Distortion: <0.01 10W / 8Ω Frequency response: 0Hz-160KHz (-3dB) Conversion rate: 25V / uS Signal to noise ratio:> 95dB Gain: 40 times Amplifier board size: 245mm × 65mm × 30mm × 2 (single PCB size) With radiator size: 260mm × 120mm × 80mm × 2 (block) Package Included: 2 Amplifier Board with 2 heatsink

## Features

- Class A power: 100W (rms) ± 45V power supply, load 8Ω, total quiescent current 2.5A
- Total Harmonic Distortion: <0.01 10W / 8Ω
- Frequency response: 0Hz-160KHz (-3dB)
- Amplifier board size: 245mm × 65mm × 30mm × 2 (single PCB size)
- With radiator size: 260mm × 120mm × 80mm × 2 (block)

## Images

![PR-800 Class A Class AB Professional Stage Power Amplifier Board with heatsink - Image 1](https://m.media-amazon.com/images/I/51+7U3YZxDL.jpg)
![PR-800 Class A Class AB Professional Stage Power Amplifier Board with heatsink - Image 2](https://m.media-amazon.com/images/I/51bYuFRPESL.jpg)
![PR-800 Class A Class AB Professional Stage Power Amplifier Board with heatsink - Image 3](https://m.media-amazon.com/images/I/617qDHWS3PL.jpg)
![PR-800 Class A Class AB Professional Stage Power Amplifier Board with heatsink - Image 4](https://m.media-amazon.com/images/I/51ve9BWP+UL.jpg)

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**Shop now:** [https://www.desertcart.vn/products/93804151-pr-800-class-a-class-ab-professional-stage-power-amplifier](https://www.desertcart.vn/products/93804151-pr-800-class-a-class-ab-professional-stage-power-amplifier)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-21*