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Kronos AV
Kronos AV
Pro-Ject Audio Systems
Pro-Ject Audio Systems are widely recognised as one of the finest turntable manufacturers in the world. Their mission is simply to produce the best sounding stereo analogue components at the most competitive prices possible. The current series spans a wide range of price points, with a variety of products targeted to key demographics or to accommodate the modern listener’s unique requirements.
In 2016, Pro-Ject marked their 25th anniversary year with the release of a turntable that combined traditional styling with modern technology; showing their innate ability to keep turntables fresh and interesting at a time when popularity of the vinyl format was at a previously unprecedented level. The Classic proudly sits in the middle of a multi-award winning range of turntables that manage to combine sound performance with the latest technologies and unrivalled style at every level.
Pro-Ject are also obsessed with the importance of stereo playback systems. With modern audio systems often bringing speakers either very close together or into a single enclosure, the real impact and importance of true hi-fi stereo is being lost. That’s why everything Pro-Ject create is made with pure stereo applications in mind; bringing back the true emotional importance of music to audio enthusiasts around the world.
Based in Vienna, Austria, all Pro-Ject Audio Systems turntables are made by a highly skilled workforce with great skill, care and attention in their central-European factory.

Pro-Ject Pre Box RS2 Digital Pre Amplifier / DAC
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  • Regular price £1,749.00
  • Available Worldwide Shipping

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High end preamp, D / A converter, headphone amplifier

Universal & future-proof: high-end preamplifier, D / A converter, headphone amplifier!

The Pre Box RS Digital combines all the features of the DAC Box RS with a highly linear preamplifier, which has a switchable output stage in transistor and tube technology. As with all of our top-of-the-line digital products, we use the PCM1792 DACs, which are used twice in dual differential mode for ultimate fidelity. As a unique feature can alternatively be switched to a 32bit / 384kHz converter chip also from Texas Instruments. The also available high-quality headphone amplifier has a switchable output impedance to allow optimal adaptation to any headphone. The Pre Box Digital RS offers 3-dimensional room image, Perfect fine dynamic playback and ultimate resolution with the ability to connect a variety of digital and analog sources. Especially in combination with the Pro-Ject CD Box RS drive, the Pre Box RS Digital can show its qualities, as a specially suitable I²S interface (via RJ45) ensures maximum jitter-free reproduction.

  • DAC switchable: 2x PCM1792 or PCM5102
  • 9 digital inputs: i²S, AES / EBU, Toslink, S / PDIF coax
  • Analog: Pre-out XLR / RCA / Headphone, RCA input
  • Headphone amplifier with selectable output impedance
  • Fully symmetrical dual mono construction
  • Output stage switchable tubes 6922 & transistor
  • Ultra-linear with high signal-to-noise ratio
  • Pure Class A circuit
  • Blue Alps volume control
  • DC power supply (<1 watt standby consumption)
  • IR remote control included
  • Available in black or silver
D / A converter DAC1 - 2 x PCM1792 24bits / 192k Hz; DAC2 - PCM5102 32bits / 384k Hz
roar 2 x 6922 EH
Digital inputs 1 x USB 2.0 Audio 32/384 + DoP-DSD 64/128
1 x RJ45 Sonic I2S for CD Box RS in Sonic Mode
2 x S / PDIF 24/192
4 x S / PDIF Optical 24/96
1 x AES / EBU symmetrical 24/192
Line input 1 pair of RCA jacks
input impedance 33 kOhm
Analog output Pre-out (XLR & RCA), headphones (6.35mm jack)
Headphone Impedance Switchable 5/20/50 ohms
Analog Input Sensitivity 1.6V RMS for full headphone volume
frequency range 20Hz - 50kHz (+ 0dB / - 0.1dB)
noise Ratio -100dB (IEC-A)
THD 0.005% transistor output / 0.25% tube output
Masterclock output 16.9344MHz for CD Box RS in Sonic Mode
power adapter 20V / 3A DC suitable for worldwide use
current consumption 300mA transistor / 850mA tube / 90mA standby
Dimensions W x H x D 206 x 72 x 210mm, with sockets
mass 1950 g without power supply

We are still delivering orders as normal. When your order ships you will still receive tracking details. For UK shipments, Our couriers have procedures in place to ensure deliveries are arriving as quickly & safely as possible. Drivers can now sign for your parcels, however will notify you that they have arrived, in order to ensure you receive your parcel. Signing for the parcel has now been stopped temporally for hygiene reasons. Drivers are also working with customer instructions, so you can ask them to leave the parcel in a safe place (doorstep etc...) if you prefer not to come into direct contact with the driver.

There has been no changes to deliveries with Brexit. All deliveries to the UK mainland, Northern Ireland and the Republic of Ireland are operating as normal. No VAT or charges are applicable. 

We have several deomonstation areas in both of our branches. Please give us a call on 03435236169 or email support@kronosav.com to enquire about hearing products at your local branch. 

Please always contact us before to make sure the product(s) are available

Express Deliveries

Express Delivery is FREE on all orders over £50. Express Delivery offers delivery in 24-72 hours from time of purchase. We use premium couriers for this service, mainly DPD & Royal Mail. DPD will offer you a one hour window for delivery to make sure someone is at home, or you can reschedule the delivery if no one is around. 

Standard Deliveries

Here at Kronos AV, we have vast experience with e-commerce sales. Making sure that your parcel arrives undamaged is a huge priority for us. That’s why at Kronos AV, we only use premium couriers for all our orders. All our parcels are shipped with DPD or Royal Mail and are always sent Signed For to make sure it gets to the right person. 

If for any reason your parcel does arrived damaged, please get in touch, and we will be happy to get everything resolved for you. We are always on hand to help!


Delivery is FREE on all orders over £50. In order to offer FREE delivery to UK customers, we use several premium couriers to ensure your delivery arrives safe.

Most large orders (over 2kg) ship using DPD or DHL courier and smaller orders (under 2kg) by Royal Mail signed for services.

The most appropriate courier will be chosen for the items ordered to ensure the quickest possible delivery.

We can offer very generous trade in offers across the majority of our product range. 

Why not ask and see how much you HiFi is worth!

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If you have any question, please feel free to call us on 03435236169 or email support@kronosav.com