---
product_id: 657204428
title: "A70 Mono Power Amplifier with PFFB TPA3255 Mini Class D Amp with Subwoofer HiFi Home Theater Receiver with RCA/XLR/Trigger Input for Bookshelf Passive Speakers 48V/5A Power Supply"
brand: "aiyima"
price: "₩383613"
currency: KRW
in_stock: true
reviews_count: 5
category: "Aiyima"
url: https://www.desertcart.kr/products/657204428-a70-mono-power-amplifier-with-pffb-tpa3255-mini-class-d
store_origin: KR
region: South Korea
---

# PFFB tech reduces distortion to 0.001% 300W @4Ω power output 116dB signal-to-noise ratio A70 Mono Power Amplifier with PFFB TPA3255 Mini Class D Amp with Subwoofer HiFi Home Theater Receiver with RCA/XLR/Trigger Input for Bookshelf Passive Speakers 48V/5A Power Supply

**Brand:** aiyima
**Price:** ₩383613
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your sound game with AIYIMA A70 — where power meets precision.

## Quick Answers

- **What is this?** A70 Mono Power Amplifier with PFFB TPA3255 Mini Class D Amp with Subwoofer HiFi Home Theater Receiver with RCA/XLR/Trigger Input for Bookshelf Passive Speakers 48V/5A Power Supply by aiyima
- **How much does it cost?** ₩383613 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/657204428-a70-mono-power-amplifier-with-pffb-tpa3255-mini-class-d)

## Best For

- aiyima enthusiasts

## Why This Product

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

## Key Features

- • **Powerhouse Performance:** Delivers up to 300W clean power at 4Ω, filling your space with immersive sound.
- • **Versatile Connectivity:** Supports RCA, XLR, and 12V trigger inputs for seamless integration with your pro-grade audio setup.
- • **Next-Level Sound Clarity:** PFFB circuit design slashes distortion and enhances frequency response for pristine HiFi experience.
- • **Flexible Subwoofer Control:** Dual-mode output with selectable 40-200Hz subwoofer crossover for tailored 2.0/2.1/5.1/7.1 channel setups.
- • **Audiophile-Grade Components:** Equipped with premium Japanese Rubycon, ELNA, and German WIMA capacitors for crystal-clear audio fidelity.

## Overview

The AIYIMA A70 Mono Power Amplifier is a compact Class D amp featuring TI's TPA3255 chip and advanced PFFB technology, delivering up to 300W at 4Ω with ultra-low distortion (0.001%) and a stellar 116dB signal-to-noise ratio. Designed for HiFi enthusiasts, it offers versatile RCA/XLR inputs and 12V trigger compatibility, making it ideal for bookshelf passive speakers and multi-channel home theater systems. Premium capacitors and inductors ensure audiophile-grade sound clarity and robust performance in a sleek, space-saving form factor.

## Description

Free delivery and returns on eligible orders. Buy AIYIMA A70 Mono Power Amplifier with PFFB TPA3255 Mini Class D Amp with Subwoofer HiFi Home Theater Receiver with RCA/XLR/Trigger Input for Bookshelf Passive Speakers 48V/5A Power Supply at desertcart UK.

Review: AIYIMA A70 Mono worth every penny.
Review: 感想！ - 良い！

## Features

- High-quality components: AIYIMA A70 mono Mini Monoblock Class D Amp is equipped with Japanese rubycon 63v 3300uf filter capacitors, ELNA audio capacitors, German WIMA capacitors and professional high-power single-mode inductors, which reduces the distortion rate to 0.001%, the signal-to-noise ratio to 116dB, and ensures high-power output.
- High-performance amplifier: A70 Mono is designed for HiFi enthusiasts, with rated power up to 300W @4Ω with 10% distortion. The A70 Mono is designed to add 6dB gain to the RCA input jacks and active subwoofer output jacks (40-200Hz selectable), with full-range output/passive subwoofer output dual-mode switching to meet your needs for 2.0/2.1/5.1/7.1 channels and other different scenarios
- Multi-input interface compatibility: support a variety of audio inputs, including RCA and XLR inputs, while supporting 12V trigger inputs, one-key synchronization device operation, simple and efficient, can be matched to adapt to a variety of audio equipment. Note: The 12V trigger must be connected to a preamplifier and must come with a 12V trigger output（not compatible with WiiM brand.）
- Use TI's TPA3255 high-performance Class D power amplifier chip,It features an advanced integrated feedback design and proprietary high-speed gate driver error correction(PurePath Ultra-HD).Delivering excellent audio performance while realizing high power outputs;Total Output Power 600W Mono into 2Ω at 10%THD+N in PBTL,Configuration,Total Output Power 480W Mono into 2Ω at 1%THD+N in PBTL Configuration
- PFFB circuit design: A70 Mono uses PFFB (post-filter feedback) technology to effectively overcome the common load dependence problem of Class D amplifiers, improve distortion, enhance frequency response, and thus greatly improve sound quality and performance.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DFM7DNVN |
| Best Sellers Rank | 50,507 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 276 in Hi-Fi Amplifiers |
| Item model number | B2D3232B |
| Manufacturer | AIYIMA |
| Product Dimensions | 15.4 x 12.6 x 4.2 cm; 907.18 g |

## Images

![A70 Mono Power Amplifier with PFFB TPA3255 Mini Class D Amp with Subwoofer HiFi Home Theater Receiver with RCA/XLR/Trigger Input for Bookshelf Passive Speakers 48V/5A Power Supply - Image 1](https://m.media-amazon.com/images/I/41RzChCpZoL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ AIYIMA A70 Mono worth every penny.
*by S***R on 7 December 2025*



### ⭐⭐⭐⭐⭐ 感想！
*by ゾ***ん on 18 February 2026*

良い！

### ⭐⭐⭐⭐ Ottimo articolo
*by L***I on 21 January 2025*

Prodotto come da descrizione

## Frequently Bought Together

- AIYIMA A70 Mono Amplifier with PFFB Home Audio Receiver,TPA3255 Class D Amp with Subwoofer for Home Theater Bookshelf Speaker,with XLR & RCA Inputs & Trigger Input
- AIYIMA DC48V 10A GaN Power Supply Adapter for TPA3255 Stereo Class D Amplifier A07 & A07 MAX & A08 PRO & A70

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.kr/products/657204428-a70-mono-power-amplifier-with-pffb-tpa3255-mini-class-d](https://www.desertcart.kr/products/657204428-a70-mono-power-amplifier-with-pffb-tpa3255-mini-class-d)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-01*