Pro-Ject
Pro-Ject Pre Box DS2 Digital
Best versatile pre-amplifier for audiophiles seeking high-resolution digital and analog connectivity.
The Pro-Ject Pre Box DS2 Digital is a versatile pre-amplifier and D/A converter featuring the high-end AK4490 D/A converter with five selectable digital filters for personalized sound shaping. It supports full DSD256 and upsamples all input signals to 768kHz, delivering high-resolution audio with a rich soundstage and reduced distortion. With five digital inputs, including USB, coaxial, optical, and Bluetooth with aptX, plus analog line-level and phono inputs, it accommodates any source. It offers variable and fixed analog outputs, a subwoofer output, and a front-panel headphone jack for comprehensive connectivity.
$499.00
Owner Satisfaction
4.5
/ 5
Category Rank
73
/ 86
#73 in Microphone Preamps
Price vs Category Average
-69%
Below average
Analog Inputs
21
/ x Line In (RCA), x Phono Line In (RCA)
Who it's for
- Audiophiles seeking high-resolution clarity for digital music libraries
- System builders needing versatile connectivity for multiple digital sources
- Minimalists wanting consolidated control over their audio chain
Who should skip it
- Vinyl collectors requiring dedicated analog phono inputs
- Budget-conscious listeners prioritizing value over premium performance
- Users looking for an all-in-one integrated amplifier solution
Performance breakdown
Digital Versatility
Extensive input options handle everything from modern streaming to high-resolution files.
Conversion Precision
The AK4490 chip delivers exceptional clarity and nuanced soundstage reproduction.
Analog Integration
Dedicated phono and line inputs bridge the gap between vinyl and digital.
Build Integrity
Premium aluminum construction provides a robust, vibration-resistant chassis for sensitive components.
Headphone Performance
Convenient front-panel access offers clean, reliable power for most standard headphones.
Sound Shaping
Five selectable digital filters allow for subtle, personalized tuning of audio output.
Key Specs
Analog Inputs
2x Line In (RCA), 1x Phono Line In (RCA)
Digital Inputs
1x Coax (S/PDIF), 2x Optical (TOSlink®), 1x USB B, 1x Bluetooth (aptX)
D/A Converter
AK4490 32-bit PCM 768kHz / DSD256
Sampling Rate Converter
AK4137EQ upsampling to 768kHz
Supported Sampling Rates
32/44.1/48/88.2/96/176.2/192/352.8/384/768 kHz
DSD Support
DSD64, DSD128, DSD256
Filter Settings
5 selectable on the front
Frequency Response
20Hz - 20kHz (+0/-1dB)
Features
- High-end AK4490 D/A converter with 5 digital filter options
- Upsampling to 768kHz for enhanced audio resolution
- Supports DSD256 for high-resolution playback
- Multiple digital inputs (USB, Coax, Optical, Bluetooth aptX)
- Analog inputs including Phono (MM/MC) and Line In
- Variable, fixed, and subwoofer analog outputs
- Front-panel headphone output
- Premium aluminum/metal construction
What customers say
Customers consistently praise the Pro Ject Pre Box DS2 Digital for its exceptional sound quality, noting a significant improvement in clarity and detail across various digital sources. Many reviewers highlight its ability to deliver a rich, engaging audio experience that rivals more expensive units. This strong performance, combined with its accessible price point, positions it as an outstanding value proposition for audiophiles seeking high fidelity without breaking the bank. The consensus points to a highly satisfying listening experience.
Know before you buy
Yes, the unit features a dedicated phono input that supports both Moving Magnet (MM) and Moving Coil (MC) cartridges, allowing you to connect your turntable without needing an external phono stage.
The five filters allow you to subtly adjust the digital-to-analog conversion process to suit your personal preference. You can toggle through them on the front panel to find the sound profile that best matches your speakers or listening environment.
Yes, it includes Bluetooth with aptX support, which allows for high-quality wireless streaming from your smartphone or tablet directly to the pre-amplifier.
Absolutely. The front-panel 6.3mm headphone jack is driven by the internal circuitry, making it a convenient solution for private listening sessions without needing additional equipment.
Yes, the Pre Box DS2 Digital includes a dedicated subwoofer output, making it easy to integrate a powered subwoofer into your existing audio system.
The internal AK4137EQ chip upsamples all incoming digital signals to 768kHz. This process helps to reduce jitter and distortion, resulting in a cleaner, more detailed, and more accurate high-resolution audio output.
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Ready to buy?
$499