---
product_id: 80913852
title: "HM-400 Headphone Amplifier"
brand: "mackie"
price: "฿26785"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/80913852-hm-400-headphone-amplifier
store_origin: TH
region: Thailand
---

# 12 headphone outputs for group listening Dual L/R stereo inputs and outputs Aux input with balance control per channel HM-400 Headphone Amplifier

**Brand:** mackie
**Price:** ฿26785
**Availability:** ✅ In Stock

## Summary

> 🎧 Amplify your audio game—because your crew deserves the best sound experience!

## Quick Answers

- **What is this?** HM-400 Headphone Amplifier by mackie
- **How much does it cost?** ฿26785 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/80913852-hm-400-headphone-amplifier)

## Best For

- mackie enthusiasts

## Why This Product

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

## Key Features

- • **Compact Powerhouse:** Sleek design (48.26 x 22.35 x 4.57 cm) packs professional-grade amplification into a portable 3.63 kg frame.
- • **Custom Mix Mastery:** Aux input on each channel with balance control lets you blend main and auxiliary signals seamlessly.
- • **Flexible Listening Modes:** Mute and stereo/2-channel mode switches per channel for tailored audio experiences.
- • **Precision Stereo Control:** Dual L/R main inputs and outputs ensure crystal-clear, balanced sound delivery.
- • **Ultimate Group Audio Hub:** Connect up to 12 headphones simultaneously—perfect for collaborative sessions or social listening.

## Overview

The HM-400 Headphone Amplifier by LOUD TECHNOLOGIES, INC is a professional-grade audio device featuring 12 total headphone outputs, dual L/R stereo inputs and outputs, and aux inputs with balance control per channel. Designed for group listening and precise audio mixing, it offers mute and stereo/2-channel mode switches for each channel, all housed in a compact and portable chassis weighing just 3.63 kg.

## Description

HM-400 Headphone Amplifier

## Features

- L/R main stereo inputs plus L/R stereo outputs
- 3 headphone outputs per channel
- Aux input on each channel with balance control to mix main and aux signal
- Mute and stereo/2-ch Mode switches per channel
- 12 total headphone outputs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 48.26 x 22.35 x 4.57 cm; 3.63 kg |
| Item model number | 2058856-00 |
| Item Weight | 3 kg 630 g |
| Manufacturer | LOUD TECHNOLOGIES, INC |
| Imported By | SONOTONE AUDIO LLP |

## Product Details

- **Brand:** Mackie
- **Number of Channels:** 4
- **Item Weight:** 8 Pounds
- **Manufacturer:** LOUD TECHNOLOGIES, INC
- **UPC:** 663961054088 613815835059

## Images

![HM-400 Headphone Amplifier - Image 1](https://m.media-amazon.com/images/I/612JOXDa7QL.jpg)

## Questions & Answers

**Q: maximum ohm?**
A: Maximum 47 Ohms.

**Q: How many speakers attached**
A: THIS IS HEAD PHONES AMPLIFIER WITH 4 INDIVIDUAL INPUTS AND 3 HEADPHONES PER CHANNEL FOR STAGE MONITORING  AND STUDIO MONITORING PURPOSE NOT FOR SPEAKERS

**Q: Does this mean, 16 people can speak to each other ?**
A: No you cannot, you need a conference system for that.

**Q: How many speakers attached**
A: It's a headphone amplifier. 1in x 4 stereo outputs.

## Frequently Bought Together

- Mackie HM Series, 4-Channel Headphone Amplifier Rackmount 4-ch x 12 Headphones (HM-400)
- Sennheiser HD 280 Pro Headphone, Black

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**Shop now:** [https://www.desertcart.co.th/products/80913852-hm-400-headphone-amplifier](https://www.desertcart.co.th/products/80913852-hm-400-headphone-amplifier)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-23*