---
product_id: 378626356
title: "HAYDEN HY-I4II 4-Channel Headphone Amplifier."
brand: "hayden"
price: "€ 25.94"
currency: EUR
in_stock: false
url: https://www.desertcart.sk/products/378626356-hayden-hy-i4ii-4-channel-headphone-amplifier
store_origin: SK
region: Slovakia
---

# UL certified 5V 2A power supply 4 independent headphone channels 20dB gain per channel HAYDEN HY-I4II 4-Channel Headphone Amplifier.

**Brand:** hayden
**Price:** € 25.94
**Availability:** ❌ Out of Stock

## Summary

> 🎧 Amplify your sound, multiply your vibe.

## Quick Answers

- **What is this?** HAYDEN HY-I4II 4-Channel Headphone Amplifier. by hayden
- **How much does it cost?** € 25.94 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/378626356-hayden-hy-i4ii-4-channel-headphone-amplifier)

## Best For

- hayden enthusiasts

## Why This Product

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

## Key Features

- • **Powerful Amplification:** Up to 20dB gain with low output impedance ensures your headphones deliver crisp, dynamic sound at any volume.
- • **Portable & Versatile Power:** Includes a UL certified 5V 2A adapter compatible with power banks—take your pro-grade audio anywhere.
- • **Quad-Channel Audio Sharing:** Seamlessly connect 4 headphones to one source—perfect for collaborative studio sessions or group listening.
- • **Stereo-to-Mono Flexibility:** Switch effortlessly between stereo and mono inputs to match your setup and optimize audio clarity.
- • **Personalized Volume Control:** Each channel sports its own volume knob, letting every listener dial in their ideal sound level without compromise.

## Overview

The HAYDEN HY-I4II is a compact 4-channel headphone amplifier designed for professional and home studio use. It supports both 1/4" and 3.5mm inputs, offers independent volume control per channel, and features a stereo-to-mono switch. With up to 20dB gain and a low output impedance, it powers headphones to their full potential. The included UL certified 5V 2A power adapter enables flexible, portable use, making it ideal for musicians, producers, and audio enthusiasts seeking shared, high-quality monitoring.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09KMFGGMW |
| Brand | hayden |
| Customer Reviews | 4.1 4.1 out of 5 stars (36) |
| Date First Available | 28 October 2021 |
| Item Dimensions LxWxH | 14 x 9 x 3 Centimeters |
| Item Height | 3 Centimeters |
| Item Weight | 690 g |
| Item Width | 9 Centimeters |
| Item model number | HY-I4II |
| Model number | HY-I4II |
| Product Dimensions | 14 x 9 x 3 cm; 690 g |

## Images

![HAYDEN HY-I4II 4-Channel Headphone Amplifier. - Image 1](https://m.media-amazon.com/images/I/510EUcTwRBL.jpg)

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**Shop now:** [https://www.desertcart.sk/products/378626356-hayden-hy-i4ii-4-channel-headphone-amplifier](https://www.desertcart.sk/products/378626356-hayden-hy-i4ii-4-channel-headphone-amplifier)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-07-27*