Studiomaster HX4 - 1800 4 X 765W 1U Power Amplifer

StudiomasterSKU: 130107

Sale price£725.00
8 In Stock


The HX series, are ultra lightweight, compact, yet packed with high performance power ratings and features and available in eight models.

All models feature comprehensive protection and status indicators, and are available in 2 and 4 channel variants offering from 2 x 225 watts at 4 ohms up to 4 x 765 watts.

The HX series are all 1U size, with power factor correction (PFC), universal power supplies which will operate between 90-250VAC, and will perform at loads down to 2 ohms.

For demanding installation, conference, entertainment and smaller touring and rental applications the new HX series will supply the performance, power and reliability you need in a compact, affordable package.

  • 8 Stereo: 4x 450 Watts
  • 4 Stereo: 4x 765 Watts
  • 2 Stereo: 4x 1300 Watts
  • 16 Bridged: 2x 900 Watts
  • 8 Bridged: 2x 1530 Watts
  • 4 Bridged: 2x 2600 Watts


  • Energy saving design with high efficiency
  • Power factor correction (PFC)
  • Universal 90-250V power supply
  • 2 and 4 channel models
  • Reliable efficient operation down to 2ohm loads
  • Variable speed fan cooling
  • Status and protection indicators
  • Stereo/parallel/bridge modes
  • Multiple gain modes
  • Output limiter
  • Balanced XLR inputs
  • Professional speaker connectors
  • Thermal, overload, DC protection
  • Thermal, fault and limiter indicators


Free Delivery on all orders of any size to UK Mainland only.
Delivery times do vary depending on the Supplier, Lead times can be:

  • 2-3 working days
  • 3-4 working days
  • 7-10 working days

At checkout, our delivery times are stated so you know when your order will be approximately arriving.

Next Day Delivery is available on certian products at checkout which is an extra cost of £7.99.

If any product in your order states Back Order then the product is not in stock, however, you can place your order and we will ship as soon as the stock arrives into our warehouse.

All in-stock orders placed before 2 pm will be processed the same day, and dispatched as soon as possible, if you place an order after this time or on a weekend or bank holiday then we will process the following working day.


You can buy something from us, and return it within 30 days for a full refund, as long as the item is returned with all the packaging and is in a brand new and unused condition.

All products come with a standard 1 years manufactures warranty. If your product is faulty within 30 days of purchase, DYProAudio will cover the cost of postage. If your item is faulty after the 30 day period, it will be down to you to cover the returns postage.

If you would like to return any item please contact us before sending the item back to obtain an RMA Number or for more information, please see our returns policy.

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