# Headphone amplifier Mackie HM-4

**URL:** https://aio.lv/en/product--mackie-hm-4--4151478
**Data updated:** 2025-12-29 15:43 (EET)
**Category:** AV Receivers & Amplifiers
**Manufacturer:** Mackie
**Manufacturer code:** HM-4
**EAN:** 2000000056364
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.00 €
**Prices and availability valid until:** 2026-08-11 23:59
**Price without VAT (21%):** 28.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mackie-hm-4--4151478

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Courier delivery to door | 21.07.2026 | 53.99 EUR |

## Summary description

The Mackie HM-4 is a compact headphone amplifier designed for studio and live applications. It features four independent headphone outputs with individual volume controls, allowing multiple users to listen simultaneously. The HM-4 delivers high-quality audio with low noise and distortion, making it ideal for monitoring in various settings. Its robust build ensures durability, while the compact design makes it easy to integrate into any setup.

## Long description

The Mackie HM-4 is a compact headphone amplifier that splits a stereo signal to four independent headphone outputs while maintaining low noise and clear sound. Designed for studio and live applications, it provides reliable monitoring for multiple users in a small, rugged package. The unit measures 51 x 109 x 58 mm, weighs 200 g, and operates from 12V DC with a channel isolation of 22 dB.
Advantages
The HM-4 offers four separate headphone outputs with individual volume controls, low distortion and noise performance suitable for monitoring, and a compact, durable chassis that fits into small setups. Its straightforward signal-splitting design preserves audio integrity across outputs and requires only a 12V DC power source.
Suitable for
Home and project studio headphone monitoring
Small live performance cue mixes
Voice-over and podcasting sessions with multiple listeners
Sharing audio from a tablet or laptop for casual listening
Key specifications
Model: Mackie HM-4
Channels: 4-way stereo headphone outputs
Noise isolation: 22 dB
Power: 12V DC
Dimensions: 51 x 109 x 58 mm
Weight: 200 g
How to use
Connect a stereo source (line-level or headphone output) to the HM-4 input, plug headphones into the four output jacks, and power the unit with a 12V DC adapter. Adjust each channel’s volume control to set individual listening levels. Place the unit on a stable surface or rack it where accessible for quick level adjustments during sessions.
Usage recommendations
Use a proper 12V DC power supply matching the unit’s current requirements. For best monitoring fidelity, use quality headphones and avoid extreme gain settings. When splitting signals from a consumer device, keep volumes moderate to prevent clipping on the HM-4 input.

## Specifications

| Feature | Value |
|---|---|
| Power source | DC |
| LED indicators | Power |
| Channel separation | 22 dB |

### Audio

| Feature | Value |
|---|---|
| Input impedance | 10000 Ω |
| Output impedance | 47 |

### Inputs

| Feature | Value |
|---|---|
| Audio (L/R) in | 4 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 200 kg |
| Height | 21 mm |
| Width | 109 mm |
| Depth | 58 mm |

### Ports & interfaces

| Feature | Value |
|---|---|
| DC-in jack | Yes |

### Outputs

| Feature | Value |
|---|---|
| Headphone connectivity | 6.3mm |

### Technical details

| Feature | Value |
|---|---|
| Product colour | Black |

## FAQ

### How much does the Headphone amplifier Mackie HM-4 cost, and is it available for purchase?

The price is 35.00 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Thursday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Mackie products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Mackie service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/4151478/10720229_large.webp