Amp Box RS Mono

£699.00
  • Fully-balanced single-channel tube tube design 
  • 2Ω drive capability 
  • Tube buffer stage with reference quality 

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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.

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RS-Line

The Amp Box RS Mono has multiple specific characteristics which make it a true high-end amplifier. The amplifier has a fully balanced double mono design, a highly efficient energy saving PWM modules as well as a Tube buffer input stage. The Amp Box RS Mono also come with the available option of an upgrade PS Box RS for more power and an improved sound quality.

Box Design's Amp Box RS Mono offers a 3-dimensional sound-staging, perfect micro dynamics and an ultimate resolution combined with a high powered output and 2 ohm capability. Audio loop-outputs and Trigger In/Out on the Amp Box RS Mono make it the perfect solution for Bi– or Tri-Amping applications.

Available in Black or Silver casework.

Key Features:

  • Fully-balanced single-channel tube tube design 
  • Highly efficient conversion from mains to output power (92%) 
  • 2Ω drive capability 
  • Tube buffer stage with reference quality 
  • SMD construction for shortest signal paths 
  • Low heat emission 
  • Line level preamp inputs (RCA & XLR) 
  • Top-quality speaker terminals 
  • Luxury metal casing protects against vibration and interference 

Technical Data

Power Output: 1x 125W at 8Ω
1x 195W at 4Ω
2Ω Drive Capability
Frequency Response: 10Hz - 50kHz (+0dB, -3)
THD: < 0.05% At 100W
Noise Floor: > -100dB (IEC -A)
Input: RCA & XLR Sockets 
Input Sensitivity: 1.35V 
Input Impedance: 22Kohms 
Speaker Connectors: 4mm Ø Banana Plugs
Spades Connectors
or Naked Wire
External Power Supply: 48V/2.5A DC;
100 - 240V, 50/60Hz
Dimensions: 206 x 72 x 200mm
206 x 72 x 220mm (Incl. Sockets)
Weight:  2020g (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.