Pre Box S

£219.00
  • Compact pre-amplifier
  • 2x Stereo Line-in
  • Remote control for on/off commands, input selection and volume

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How To Buy

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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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S-Line

Functioning as the control center of the Pro-Ject Box Series, the Pre Box S performs basic input switching and high-performance audio amplification.

Designed to drive one or more Amp Box S (mono or stereo), the Pre Box S features ultra-low-noise IC’s and dual-mono circuitry for exceptional audio fidelity. The highly shielded metal chassis effectively rejects any vibration and electromagnetic noise.

12V Trigger switching is also included, so other components connected in series can be power activated with the Pre Box. The Box Design Switch Box S input extender can also be attached to increase the number of source inputs.

The included IR remote offers control over input selection and volume adjustment.

Available with a Black or Silver faceplate.

Key Features:

  • Neutral sound with superior noise floor
  • 2 Stereo Line-in
  • Motorised volume control
  • Premium components and assembly
  • SMD for short signal paths
  • Gold-plated connections
  • Remote control for on/off commands, input selection and volume
  • 12V trigger function
  • Metal case shields the electronics from vibrational and electromagnetic interference
  • Outboard power supply included

Technical Data

Frequency Response: 20Hz - 20kHz (± 0.2dB)
Noise Floor: -100dB (A weighted)
THD: 0.001%
Gain: 8.5dB
Pre-Out: 1x Pair RCA/Phono Sockets
Output Voltage Typically: 1V at 1kHz
Line-Level Inputs: 2x RCA Phono Socket Pair
Input Impedance: 20kΩ
Trigger (Trigger Pre): 12V DC Switching Voltage
Trigger Out: 2-Pole, 2.5mm Co-Axial Jack
Outboard PSU: 18V/500mA DC
Standby Power Usage: < 1W
R/C Replacement Battery: CR2032 / 3V
Dimensions: 103 x 36 x 103mm
103 x 36 x 109mm (Incl. Sockets)
Weight: 630g (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.

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