Head Box RS

  • Premium headphone pre-amplifier
  • Analogue circuitry for optimal sound performance
  • Switchable headphone impedance for easy headphone matching


How To Buy

As UK distributors for the brands we represent, our main focus is to give you all the information you need to help assist with your purchase. Once you have the information you need, we want to make the purchase process as simple as possible. So we give you up-to three options on how to buy our products.

Find Your Local Retailer

Our preferred option is for you to visit a nearby store and buy what you need locally. Our authorised stockists are some of the finest specialist hi-fi retailers in the country, and they're equipped to give you the best after-sales and set-up advice possible - all in person. To find your local retailer, either click the 'Buy In-Store' button on your product page for exactly the right recommendation, or head to our comprehensive Where To Buy tool.

Buy Now, Collect Locally

If you want the added convenience of only having to pop-in to store when you know the product you want has arrived, you can use our Click & Collect-style checkout process. With Buy Now, Collect Locally, your purchase takes place online and the product is then delivered direct to your local supporting retailer; ready for you to collect when you're ready. Click here to find out more about Buy Now, Collect Locally.

Buy Now

For smaller items, you can also have the ultimate convenience of purchasing directly through our website. The checkout process is entirely secure, so you can trust your information will be safe - and your desired product will arrive with you as quickly as possible.

Click here for full Terms & Conditions.


The Head Box RS is a simple yet effective device that allows headphones to perform to their fullest potential. Utilising a Tube-based input stage and Class A output stage to perfect effect, the sound performance of the Head Box RS truly matches up to the other components in the RS range.

The fully-balanced dual-mono design gives a stunning stereo performance with phenomenally low distortion and a pure focus on headphone enjoyment. The easily switchable headphone impedance settings allow for easy matching with almost any headphone available today.

Available in Black or Silver casework.

Key Features:

  • Premium headphone pre-amplifier
  • Analogue circuitry for optimal sound performance
  • Dual-mono design for excellent stereo sound
  • Switchable RCA or XLR input/outputs
  • 6.35mm headphone socket
  • Low-noise components used tthroughout
  • Switchable headphone impedance for easy headphone matching
  • Antimicrophonic mechanical construction
  • Luxury aluminium cabinet
  • Available in Black and Silver 

Technical Data

Headphone Jack: ¼" Jack (6.3mm Ø) 
Input: 1x RCA/Phono Socket 
1x XLR
Output: 1x RCA/Phono Socket
1x XLR
Power Output:  330mW (30Ω)
60 mW (300Ω)
Headphone Impedance: > 30Ω
Signal to Noise:  -112dB (A weighted) at Full Output 
Frequency Response:  30Hz – 20kHz/-0.05dB
(10Hz – 120kHz/-1dB) 
THD (IMD): 0.003% (0.002%)
Gain:  11dB 
Outboard PSU: 20V/3A DC
Dimensions: 206 x 72 x 200mm
Weight: 2150g (Without PSU)
Note: We’re constantly updating our website to ensure all our listings are as accurate as possible. However, the images and text on this page can be subject to change without notice, and errors and omissions are excepted.

If you have any questions, please contact us.