01273 665 400
lines open 7 days a week Until 7pm on weekdays!
  1. Home

Mackie HM-4 Product Overview by GAK

The HM-4 is a headphone amplifier from Mackie, a simple solution to split a single stereo signal into four pairs of headphones. Each headphone output has its own volume control.

Whether you're looking to split a signal to an entire band, you want to split the signal of your iPad to multiple headphones or anything in between, the HM-4 has got you covered.

The unit utilises Mackie's Built-Like-A-Tank construction, robust and built to last.

Powered by a 12V AC adapter.

  • Total Headphone Outputs: 4
  • Aux Input: N/A
  • Input Connections: 1/4" TRS
  • Output Connections: 4x 1/4 TRS



{{getFormattedEuroPrice(DepositValue, 0)}}

deposit ({{getRoundNumber(DepositAsPercentage, 0)}}%)



{{euroPriceDataCurrencySymbol}} p/m



{{getFormattedEuroPrice(product.Installment, 2)}}

Total finance: {{getFormattedEuroPrice(CurrentAmount - DepositValue, 2)}}

Finance example: {{SelectedProductDescription}}

For further information on our finance options, including representative examples, please click here. Finance is subject to status, terms and conditions apply.

GAK.CO.UK LTD is registered in England and Wales 04578270. Registered office: 30 - 34 North Street Hailsham East Sussex BN27 1DW GAK.CO.UK LTD acts as a credit broker and only offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance. GAK.CO.UK LTD is an appointed representative of The Guitar Amp and Keyboard Centre Limited which is authorised and regulated by the Financial Conduct Authority. GAK.CO.UK LTD FCA registration number is 731400. The Guitar Amp and Keyboard Centre Limited FCA registration number is 684977. Credit provided subject to age and status

V12 Retail Finance Limited. Registered in England and Wales 4585692. Registered office: One Arleston Way, Solihull, B90 4LH. Authorised and regulated by the Financial Conduct Authority. Our FCA reference number is 679653.

No upgrades available

Customer reviews

out of 5
5 stars
4 stars
3 stars
2 stars
1 star
  • Bryan Hall


    Works great! Nice size too, it fits in to my set up perfectly.

  • Paul Garthwaite


    Great sound ,built like a tank, compact.10 out of 10.

  • Customer


    Good value

  • Jonathan Williams


    This little box does exactly what I need and is well made. I’ve bought it to use when more than one person is listening a review and editing session on headphones.

  • John


    It is very good, and works well. but it is not suitable for my needs.

Load more reviews