Pro-Ject Pre Box S2 Digital DAC/Preamp & Stream Box S2 Ultra Streamer
Pro-Ject Pre Box S2 Digital DAC/Preamp & Stream Box S2 Ultra Streamer
Regular price
$ 19,781.00
Regular price
Sale price
$ 19,781.00
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Pre Box S2 Features
- Pre-amplifier with built-in DAC
- High-end ESS Sabre ESS9038 DAC chip
- Proprietary clock circuity design
- Jitter as low as 100 Femtoseconds
- Organic polymer capacitors and thin-film miniMELF resistors
- MQA audio files compatible
- Roon-ready product
- Hi-Res certified product
- DSD64, DSD128, DSD256 & DSD512 (DoP)
- Up to 24-bit / 192kHz for optical & coax inputs
- Seven selectable digital filters
- One proprietary optimum transient digital filter
- Headphone output on the front (6.3mm)
- Dual-mono construction
- User-friendly screen and operating system
- Gold-plated four layer PCB
- Premium S2 chassis
- Available in black or silver
Stream Box S2 Ultra
- High resolution network bridge
- Audio optimized USB A output
- Multi-room enabled
- Dual USB A input for external storage
- TIDAL supported
- Spotify Connect
- Network-enables any modern DAC with USB input
- Internet Radio
- DLNA enabled
- Bypasses all audio formats to the DAC
- Cleans up the audio signal from a PC
- Roon Ready (in progress)
- Shairport
- Bluetooth
- Uses dedicated power supplies
- HDMI video output
- Controllable via smart devices and PC/Laptop
- New control app!
- Ethernet and WiFi connectivity
Video
Awards
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"Pro-Ject’s Pre Box S2 Digital offers a wealth of audiophile tweakery but its emphasis on USB ties it primarily – but not exclusively – to desktop and laptop PCs. On the other hand, USB hook-up means the S2 is still a portable option for laptop users, and it doesn’t need a battery. For the price, its sound performance is impeccable, combining clarity and precision with an attractive warmth and impressive sense of space." |
Click here to read the full review
Stream Box S2 Ultra
| Audio Formats | PCM 32bit/352.8kHz, DSD256 |
| Internet Radio | Shoutcast |
| Streaming Services | TIDAL, Spotify |
| Supported data protocols | RAAT, Shairport, DLNA |
| Multi-room | Up to six devices |
| Inputs | 2 x USB A |
| Micro USB B (PC-Detox) | |
| Network (Ethernet, WiFi) | |
| Outputs | Audio optimized USB A |
| HDMI (video) | |
| Controllable via | App, Web Browser, Roon |
| Weight | 375 g (without power supply) |
| Dimensions (WxHxD) | 105 x 37 x 105 mm |
Pre Box S2 Digital Specs
| DAC: | 2x ESS9038Q2M 32-bit PCM 768kHz / DSD512 |
| Digital Inputs: | 1x Coax (S/PDIF) 2x Optical (TOSlink®) 1x USB B |
| Headphone Amp Chip: | ESS9062 |
| Sampling Rates: | 32kHz 44.1kHz 48kHz 88.2kHz 96kHz 176.2kHz 192kHz 352.8kHz 384kHz 768kHz |
| DSD Support: | DSD64 DSD128 DSD256 DSD512 |
| MQA Support: | Full MQA Unfolding by Hardware |
| Filter Settings: | 7x Selectable |
| Frequency Response: | 20Hz - 20kHz |
| THD: | 0.0003% |
| Analogue Outputs: | 1x Headphone (6.35mm Jack) 1x Variable Out (RCA) |
| Dynamic Range: | 124dBA |
| Output Voltage: | 2.05 Veff |
| Power Consumption: | 5V. Micro USB |
| Dimensions: | 103 x 36 x 103mm |
| Weight: | 600g (Without PSU) |
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