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Pro-Ject Stream Box DS+

Special Price 699,00 €

Regular Price: 899,00 €


High End striimeri etuvahvistin monipuolisilla liitännöillä sekä laatu D/A -muuntimella. Erinomainen valinta esim. aktiivikaiuttimille.

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Special Price 699,00 €

Regular Price: 899,00 €

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Stream Box DS+ is Pro-Ject Audio‘s fully equipped pre-amplifier, streaming client & internet radio, that is able to play music stored in network servers (computers, NAS drives, etc) connected to your home network. Additional to streaming and pre-amplification functionalityStream Box DS+ also acts as D/A converter for other digital sources (USB, coax, Toslink). 2 additional analogue sources also can be connected to form a complete system. The built-in high quality pre amplifier stage can be connected to any power amp!  


                                                                                                                                    Suitable for high-resolution Audio




Stream Box DS+ is ready for use with streaming service Spotify and LOSSLESS audio music platform TIDAL. Other streaming services like Deezer, Grooveshark etc, can be implemented using 3rd party applications. Superb audio playback including 24bit HD music is self-evident, like outstanding technical data for distortion and noise levels. Navigation can be done via IR remote (which is included) and/or free Android / iOS App.  


Box Control: full control of Stream Box




• 24bit/192kHz hires audio streaming client  

• Spotify Connect support (firmware or higher)  

• LOSSLESS-Streaming with TIDAL  

• Top-grade Highend PCM 1796 DAC  

• WAV, AIFF, FLAC, WMA9 lossless, ALAC & AAC  

• FLAC decoding for all 9 compression levels including Level 0 (data rate up to approximately 9 mbit/s)  

• Gapless playback of all audio formats  

• Fixed & variable analogue audio outputs (RCA)  

• Volume control using IR remote, front buttons, App  

• 2x analogue inputs (RCA)  

• 2x USB & 2x digital inputs (coax & optical Toslink)  

• Search functionality fast forward and back  

• Alphanumeric search  

• 3,5“ colour display shows cover art and metadata  

• Multiple display languages  

• Wifi 802.11/b/g/n allowing real 24/192 with Wifi  

• Solid metal casework prevents from interference  

• Special proprietary NetAPI implemented for fast access  

• Free Control APP (iOS & Android)  


Technical specifications

Pro-Ject Stream Box DS+

AUDIO FORMATS MP3, FLAC (up to 24bit/192kHz including 24/176),
  WMA9-lossless, AIFF, AAC, ALAC, LPCM (WAV, upto 24bit/192kHz), Ogg Vorbis 1.0
INTERNETRADIO vTuner included
GAPLESS all audio formats (with IR remote or Box Control App)
INPUTS Network, 1x digital coax, 1x digital optic, 2x analogue
  2x USB 2.0 (24/96, type A), support
  flash & hard disk drives (FAT16 & FAT32)
OUTPUTS RCA (analogue) coax S/PDIF (digital)
SN RATIO 110dB @ 1,8V
NETWORK Wi-Fi IEEE 802.11 b/g/n & Ethernet (10/100 BaseT)
EXTERNAL CONTROL Free Box Control APP for iOS + Android
POWER CONSUMPTION 9W max with HD drive/ 0,3W standby
CASING Aluminium, black or silver
DIMENSIONS 72 x 206 x 230 mm (HxWxD) without plugs / antenna
WEIGHT 2,5 kg

 Stream Box supports TIDAL - Quick Start Guide (10/2015)  

 Stream Box - Firmware Update (06/2015)  

 Stream Box - Firmware Update (06/2015)  

 Spotify Connect Quick Start Guide  

 Box Control App for iOS & Android 1.0 FINAL now available! (07/2013)  

 Box Control App for Android  

 Stream Box: FLAC and other PC audio miracles  

 Box Control: Android- and iOS-App special for Stream Box!  

 Stream Box: tips for best performance  



FAQ - Hints for using Stream Box DS Plus  


Q: What has to be considered when using TIDAL with the Stream Box?  

A: To use TIDAL music service a TIDAL Hifi or TIDAL Premium account is required. Install the latest version of the Box Control App and update the firmware of your Stream Box.  


Q: What has to be considered when using Spotify Connect with the Stream Box?  

A: To use Spotify Connect a Spotify premium account of Spotify is necessary. A free Spotify account does not support Spotify Connect. Install the latest free firmware for the Stream Box.  


Q: Why are Bluetooth and Airplay functionalities not part of Stream Boxes and only available as optional upgrades?  

A: Stream Box DSA, DS+ und RS are unique products, because they offer inputs for additional signal sources which are not available with almost all other streamers.  

Only a small part of customers needs Bluetooth and Airplay functionality. If these functions would be integrated in our Stream Boxes, a 20-30% price increase would be the consequence for all consumers, even if they do not use Bluetooth or Airplay. So we offer optional Airplay and Bluetooth upgrades for those who want to implement these recent features, following our philosophy and approach for high-class sound quality with long-term and future-proof reliability.  


Q: Why can't i see my Favorites under Internet-Radio and why can't i generate a new Access Code? Why i get "empty" or "Server Error" when i browse Radio Stations?  

A: Some Internet Provider have slow DNS-Servers and therefore you get a timeout when you want to access vTuner. Change the DNS-Server of your Internet-Router to an alternative free DNS-Server (eg. and This DNS-Servers are provided by Google and are very fast.  


Q: What is the maximum size of a hard disk connected on the USB-Port of the Stream Box?  

A: The maximum size of a hard disk (or USB-Stick) connected on the USB-Port of the Streamer can be up to 8 Terabyte. A single music file cannot be larger than 4 Gigabyte.  


Q: I cannot see my Windows-PC under Media Server.  

A: Make sure that media sharing in Windows Media Player is enabled.  

Go to “Streaming” – “Turn on media streaming” (Windows 7) or “Library” – “Media Sharing”.  


Q: The USB hard disk or storage media is not recognized by the Stream Box DS Plus.  

A: Check whether it is formatted FAT32 and not exFAT or NTFS.  

With a larger Storage than 32GB you need a special tool to format it as FAT32 (eg. Fat32Formatter).  


Q: How can I update the Firmware?  

A: From the main menu of the Stream Box DS Plus choose "Settings" - "General" - "Software Update".  


Q: Why does not support the Stream Box NTFS?  

A: FAT32 is the standard filesystem for all music players, digital cams, printers etc. and therefore the best compatible filesystem for all devices. NTFS support more features e.g. security info and therefore it can make troubles. FAT32 has no disadvantages compared to NTFS which are relevant in the audio world.  


Q: What is to consider to use GAPLESS?  

A: The GAPLESS playback between 2 tracks works when the music is played from an USB storage device.  

If the music is played from an UPnP Server (eg. Twonky) GAPLESS only works with the remote control or with our Box Control App over NetAPI.  

With a normal UPnP-Control-App (eg. PlugPlayer) GAPLESS is not possible.  


Q: What is necessary to play FLAC files with 24Bit/192KHz without interruptions?  

A: For music files with high data rates (even WAV files) a LAN connection is necessary because WiFi-G has too less bandwidth.  

Further necessary is a powerful NAS-System or a fast USB storage.  

Avoid retranscoding music by the server, because this can also cause dropouts.  


Q: What is to consider at the Router?  

A: You can use either wireless (WLAN) or wired (LAN) connection, but by principle LAN connections are more reliable than WLAN.  

If wireless is your choice, use at least Wifi „G“ or mixed “G/N” routers and channels 1 to 11. If you face speed problems on specific channels, switch to another.  


Q: What is to consider at the UPnP/DLNA-Server?  

A: Twonky media server or Asset UPnP will give perfect results. Many DLNA servers can be enabled for transcoding of the original signal to another file format. This changes the integrity of original signal and requires a lot of processing power in NAS systems.  

Transcoding may lead to drop-outs in playback, so please make sure transcoding is not enabled!  


Q: What is to consider at the NAS (Network Attached Storage)?  

A: Main CPU of network attached storage device should have at least 1GHz for playback of HD music without dropouts (QNAP-NAS consistently have reliable quality with Twonky pre-installed).  


Q: What is to consider at Audio Playback and Ripping Formats?  

A: HD music files (24 bit/88,2 - 192kHz) have audio quality like in the recording studio and are available from diverse online sources.  

Second best are uncompressed file formats created from CD source. WAV is a 1:1 copy of CD‘s audio with best sound quality, but no tag information or album art will be displayed. Lossless audio formats like FLAC & ALAC offer the same audio quality as WAV, but need only 60% of hard-disk space and show album art plus track/artist information.  

PLEASE NOTE: FLAC offers 8 levels of lossless compression, levels 4 to 8 give best results. With compression levels 1 to 3 you will get NO playback, because of excessively high data rates (please use WAV instead)! Please also make sure that album cover art graphic is smaller than 800kbyte, bigger files will not be displayed! ALAC does need Twonky or Asset UPnP as server for playback. Please avoid lossy compressed file formats, like MP3 or AAC, if you are forced to use these, select highest bitrate (320 kbit/sec) to get playback quality near CD. All suggested ripping formats (except WAV) are able to display cover art and metadata, if these information is available from online data base (CDDB, Gracenote,…), when ripping.  


Q: What is to consider at the CD Ripping Software?  

A: We strongly recommend to use high quality ripping programs and the best available audio formats to store music onto computer or network. There are many different programs for download, which can be used as ripping and playback software (iTunes, Windows media player, foobar2000, EAC…). If you want to be sure to get a bit-perfect copy, please activate “Ripping Security” in foobar2000, dBpoweramp or Exact Audio Copy (EAC).  


Q: What is to consider at Home Recordings from analogue sources?  

A: If you record your own files from vinyl or analogue tape, you are able to transfer the original quality by using 24bit depth and higher sampling rate (96 to 192kHz). High quality recording software needs not to be expensive, we recommend Audacity combined with high quality audio interface like Phono Box USB V.  


Q: Is it possible to play WAV- or M4a-Files?  

A: WAV-Files (Fileextension .wav) or MPEG-4 Audio (Fileextension .m4a) are container formats and can be played. WAV-Files contains LPCM-Audio files and M4a-Files can contain AAC- and ALAC audio files.  


Q: The Volume Control with the Box Control App does not work properly or i can only lower the volume.  

A: Please deinstall the Box Control App and install the latest version from the store.  






Firmware History:




• Improved support for AAC-files with 96KHz  

• Extension of the NetAPI-Commands  



• Implemented improved support for high bitrate FLAC192/24 files (up to level Zero)  

• Implemented network optimizations for higher throughput in Gigabit environments  

• Increased amount of available memory and processor power while playback for ultimate performance  

• Aligned playback progress bar with better resolution and increased size of album art  

• Bigger album art in play view (no mirror effect)  

• Fixed playback issue with AIFF- & WAV-Files controlled via UPnP  



• Spotify Connect support  



• Bug fix of search function  

• Stability improvements when using Spotify and UPnP  







Valmistaja Pro-Ject Audio Systems, Itävalta
Takuuaika kk 24
Nettopaino 2.5

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