Pro-Ject Pre Box S2 Digital (2023 Edition) Digital Pre-Amplifier
- Free Mainland UK Shipping on orders over £100
- Official Hi-Fi Retailer since 1973
- Usually in stock and dispatched in 1-5 working days
We offer free delivery on all orders over £100 to mainland UK. Orders under £100 are subject to a £6.50 shipping charge.
Delivery is available across mainland UK. If you are located outside mainland UK and would like a shipping quote, please get in touch before placing your order.
We aim to dispatch in-stock items as soon as possible provided that we physically have the stock - but please note that sometimes we have to order from our supplier for certain products, in which case delivery should take place within 1-5 working days of the order being placed.
Tracking details or estimated delivery timescales will be provided once your order has been processed. If there are any delays due to stock availability, we will contact you as soon as possible with the option to wait or receive a full refund.
Please note that certain products may be subject to specific distance selling or delivery regulations. If you are unsure about a product or its delivery terms, we recommend contacting us before purchase.
You can cancel your order within 14 days of receiving your goods, in line with UK distance selling regulations. Once you’ve notified us, you have a further 14 days to return the item. Please contact us by email, phone or in writing before sending anything back.
Items must be returned in original condition and packaging, including all accessories, manuals and any promotional items. The cost of return is your responsibility and we strongly recommend insuring the goods, as refunds cannot be issued for damaged or incomplete returns. If items show excessive handling, are missing components, or cannot be resold as new, a reasonable deduction may be made.
Please note that used headphones (for hygiene reasons) and custom or special-order items cannot be returned. If you need assistance arranging a return, we’re always happy to help.
Product Summary
The Pro-Ject Pre Box S2 Digital is a compact DAC and digital preamplifier for customers who want serious high-resolution playback from a very small component. It is a strong choice for desktop audio, headphone listening and compact hi-fi systems where space is limited but sound quality still matters.
A big part of the appeal is how much capability it offers in such a small case. With USB, coaxial and optical digital inputs, support for very high-resolution PCM and DSD files, plus hardware MQA decoding, it can work as the digital heart of a wide range of systems. That makes it especially attractive for customers using computers, streamers or CD transports who want a compact but ambitious DAC.
It is also designed to do more than just digital conversion. The variable RCA output and front-panel headphone output make it easy to use directly with a power amplifier or active speakers, while the selectable digital filters give you more control over the presentation. For customers wanting a compact DAC with genuine hi-fi flexibility and strong headphone capability, the Pre Box S2 Digital is an excellent option.
Key Benefits
- Compact size makes it easy to add serious DAC performance to desktop and smaller hi-fi systems
- Dual ESS DAC design is intended to deliver a detailed, precise and highly capable digital sound
- USB, coaxial and optical inputs make it easy to connect a wide range of digital source devices
- High-resolution PCM and DSD support makes it a strong choice for customers with demanding digital music libraries
- Hardware MQA decoding adds compatibility for customers using supported streaming or download services
- Variable RCA output makes it easy to connect directly to a power amplifier or active speakers
- Built-in headphone output supports high-quality private listening without needing a separate headphone amp
- Selectable digital filters let you fine-tune the sound to suit your system and preferences
- 2 years manufacturers warranty, extended to 3 years if registered with Pro-Ject within 4 months of purchase
Technical Specifications
DAC & Preamplifier Details
- Product Type: Digital micro preamplifier / DAC
- DAC Configuration: 2 x ESS9038Q2M dual differential DAC
- Headphone Amplifier Chip: ESS9603Q
- Digital Inputs: 1 x USB B, 1 x coaxial S/PDIF, 1 x optical TOSLINK
- PCM Support: Up to 32 bit / 768 kHz
- DSD Support: Up to DSD512
- MQA Support: Full MQA unfolding by hardware
- Filter Settings: 8 selectable digital filters
- Analogue Outputs: 1 x variable RCA output, 1 x 6.3 mm headphone output
- Output Voltage: 2.05 Veff
- Headphone Output Power: 100 mW into 32 ohms
- Frequency Response: 20 Hz - 20 kHz
- THD: 0.0003%
- Dynamic Range: 124 dBA
- Power Supply: 5 V via micro USB
- Colour Options: Silver or black
Weight & Dimensions
- Dimensions: 10.3 x 3.7 x 12.2 cm (W x H x D)
- Weight: 0.366 kg without power supply
What’s in the Box
- Pro-Ject Pre Box S2 Digital DAC / preamplifier
- Power supply
- Product documentation
