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SP25 Prisma Home Cinema Preamplifier Processor

The SP25 Prisma is a multi-channel processor designed for both cinephile and audiophile, composed of carefully considered and crafted features and functionality to provide the best home cinema experience for the greatest number of people.

SP25 Prisma: Is THIS the NEW King of Surround Sound?!SP25 Prisma + A35.8: I Tried Sweden’s Best Home Theater SetupSP25 Prisma + A35.8: My Audiophile Gear Awards 2024: The Absolute Best of the YearSP25 Prisma: SP25 – A35.8 and Perlisten R5tSP25 Prisma + A35.8: Swedish Enjoyment

MSRP: € 4750

SP25 Prisma has been honoured by the Expert Imaging and Sound Association (EISA) with the Best Product 2024-2025 home theatre processor award. This is the third year in a row that a Primare home theatre model has been so honoured, joining the SPA25 Prisma home cinema integrated amplifier and A35.8 eight channel fully bridgeable balanced input amplifier as EISA best product award winners.

“An ideal partner for Primare’s EISA Award-winning A35.8 multichannel power amplifier, the SP25 Prisma processor caters to immersive audio systems up to 11.2 channels. Aided by Dirac Live room correction below 500Hz (upgradeable to full-bandwidth if desired), it creates convincing Dolby Atmos and DTS:X soundscapes with smooth highs, effortless dialogue reproduction, precise effects placement and deep, impactful bass. Music-friendly features include Primare’s Prisma streaming/radio platform and a USB DAC input, giving this neatly styled unit ‘all-rounder’ status. App control, extensive speaker/input preset configuration and the SP25 Prisma’s luxurious styling complete a great addition to Primare’s home theatre stable.” EISA Official Award Citation

Key Features

  • Dolby Atmos, DTS X, and derived immersive audio processing
  • eARC advanced high resolution audio and video HDMI connection system for best system interaction and performance.
  • Dirac Live Room Correction technology ensures the best possible audio performance with any system in any room
  • Prisma network player to stream hundreds of music services including high resolution platforms like Qobuz, Spotify, and Tidal HiFi
  • Roon Ready advanced media management software

System Configuration

The SP25 Prisma offers 11 channels of immersive audio processing, with seventeen customisable input pre-sets allowing for virtually any combination of digital and analog input configurations. Additionally, five customisable speaker setup pre-sets allow for a variety of speaker and DSP configurations, which allied with dual Front Left / Right analog outputs for bi-amping the main stereo speakers serve to support virtually any system configuration,

SPA25 and SP25 Video

This video describes the design elements and features of SPA25 Prisma home cinema integrated amplifier and SP25 Prisma home cinema processor preamplifier.

DIRAC LIVE

The interaction between your Primare system and the physical layout of your room has a huge impact on sound quality. With Dirac Live® Room Correction you can apply state-of-the-art, patented algorithms to analyse and digitally reduce room impact and enhance speaker performance through your Primare system, that further offers manual tuning to meet individual needs.

Limited Bandwidth subscription is included as standard, with Full Bandwidth subscription available to order directly from Dirac’s website.

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PRISMA Remote Control

SPA25 Prisma will be the first model to include the new PRISMA system remote control, providing IR control for every past and present Primare model:

  • Basic TV control
  • OTA update support
  • Backlit

Our design philosophy

Primare products are informed by our practical design approach, embodied by the Scandinavian design ideal of lagom – that sense of not too much or too little, but just right; everything in balance, proportion, and harmony. 

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  • DAC2 x ESS 9026PRO
  • RCAx 5 analog inputs, with 7.1 multi-channel input
  • RCAx 1 digital input
  • Toslinkx 1 digital input
  • USB B1 x digital input
  • HDMI4 x HDMI 2.0b inputs
  • HDMI2 x HDMI output, 1 x eARC / 1 x Auxiliary
  • HDCP2.2
  • ProcessingDolby Atmos, 11 channels
  • ProcessingDTS X, 11 channels
  • Dirac Liveroom correction
  • Prismanetwork player connectivity and control
  • Ethernet2 x in/out
  • WiFi
  • USB Ax 1
  • AirPlay2
  • Bluetooth
  • Chromecast built-in
  • Roon Ready
  • Spotify ConnectHiFi Ready
  • PRISMA remotePrimare universal system remote
  • IR3.5 mm in/out
  • 12V Trigger1 x 3.5mm output
  • RS232outboard system control port
  • Dimensions430 x 405 x145 mm (wxdxh)
  • Weight10 Kg
  • Finishesblack or titanium

For more detailed specifications see the design brief and user guide.

SP25 Prisma Home Cinema Processor

The SP25 Prisma is a multi-channel processor designed for both cinephile and audiophile, composed of carefully considered and crafted features and functionality to provide the best home cinema experience for the greatest number of people.

For the cinephile, the SP25 Prisma includes 4K dynamic HDR switching and eARC, with eleven channels of processing and preamplification supported by a custom linear power supply and tuned output stage to provide exemplary performance, particularly when paired with the award winning A35.8 and A35.2 amplifiers.

For the audiophile, dual eight channel DAC chips allow for a unique digital to analog conversion circuit allocating four channels of conversion when delivering signal to the pair of front left and right analog outputs perfect for bi-amping of the front left and right speakers for improved stereo performance.

For both cinephile and audiophile, Dirac Live® Room Correction utilises state-of-the-art, patented algorithms to analyse and digitally reduce the impact of the room, enhancing the performance of any audio system. Dirac optimises the sound not only with respect to frequency, but also to phase, providing not only linear frequency response but precise arrival time for both two and multi-channel listening with previously unheard detail and clarity.

Individualised control and connectivity is afforded by seventeen customisable input pre-sets for virtually any combination of digital and analog, video and audio input configurations, combined with five customisable speaker setup pre-sets for a variety of speaker and DSP configurations to suit any viewing and listening requirements. 

Primare’s proven Prisma network player platform provides complete streaming features and functionality, as well as multi-room / multi-zone options, with AirPlay2, Bluetooth, Chromecast, Roon, and Spotify Connect (HiFi ready). With the associated Prisma application, combined with the onscreen setup menu, offering easy system customisation from the listening position. Additionally, Prisma provides comprehensive control of network connected hard drives, as well as embedded Prisma Radio, Tidal HiFi, and Qobuz services for simplified access to these most used music sources.

The look and feel of Scandinavia 

We believe that every aspect of our products – the way they look, the satisfying feel of the controls – contributes to the overall experience of living with Primare. As a result, Primare products exude the hallmarks of Scandinavian design – simple, elegant designs, with approachable and easy to understand functionality. An example of this is the idea of being inconspicuous, of not drawing undue attention, which is inherent in the compact physical design of the SP25 Prisma and elimination of unnecessary display and front panel controls.

For more details read the SP25 Prisma Design Brief at this link 

  • Audiophile Junkie, US, July 2025
    SP25 Prisma: Is THIS the NEW King of Surround Sound?!

    “Get ready for a deep dive into the Primare SP25 surround sound processor – a component that’s been generating serious buzz in the audiophile and home theater communities! Primare is known for its incredible two-channel gear, but can their first dedicated surround processor truly deliver? In this comprehensive review, I push the SP25 to its limits, evaluating its sound quality, features, ease of use, and overall value. Could this be the new benchmark for immersive audio? Watch to find out!”

    View full review

  • Shane Lee, US, May 2025
    SP25 Prisma + A35.8: I Tried Sweden’s Best Home Theater Setup

    “The A35.8 amplifier is easily the most versatile I have ever used with all its bridgeable configurations. I think the asking price for that feature set and it’s sounding as good as it does is totally worth it. Plus, it looks super cool. …the Primare (SP25 Prisma) did do a better job pulling double duty for both home theatre and two channel. It’s got a cleaner sound to my ears for music. So, if you’re going to go at it from purely a sound quality standpoint I’d have to say that you to give the Primare a consideration.”

    View full review

  • Audiophile Junkie, US, December 2024
    SP25 Prisma + A35.8: My Audiophile Gear Awards 2024: The Absolute Best of the Year

    “The Absolute Best of the Year: Join me as I unveil my top audiophile gear picks of 2024. Discover the components that truly impressed me with their sound quality, innovation, and overall performance.” 3:22 Primare A35.8 and SP25

    View full review

  • Alpha Audio, The Netherlands, September 2024
    SP25 Prisma: SP25 – A35.8 and Perlisten R5t

    Primare and Perlisten go well together, as this fine combination proves. The SP25 Prisma is a particularly pleasant surround processor that also performs excellently in stereo. But we knew that about Primare. The Primare A35.8 is a beast that drives the Perlisten R5t excellently. Need more power, or want to bi-amp? Then you can do that perfectly well in bridge mode. Simply flip a switch and you have twice the power. Is it necessary? No… is it fun? Yes it is!

    View full review

  • hifi.nl, The Netherlands, September 2024
    SP25 Prisma + A35.8: Swedish Enjoyment

    High-end audio manufacturer Primare continues to surprise with high-performance surround components. The Primare SP25 Prisma surround processor is intended for audiophile music lovers who desire an immersive movie experience and for cinephiles who want to listen to music in the highest possible sound quality. Unique in its class. Five Stars

    View full review

  • Les Années Laser, France, September 2024
    SP25 Prisma: Sound Prism

    We are clearly confident with this SP25, because it knows how to work the audio stream it receives with a certain audiophile spirit and all the precision required for Home Cinema. At the same time, it knows how to step aside so that the power amps can express their own characteristics, and this is, in our opinion, what makes a high-end processor valuable.

    View/download full review as PDF

  • Stereo, Germany, November 2024
    SP25 Prisma + A35.8: Big Cinema

    With the Primare duo, consisting of the 11.2-channel AV preamplifier SP25 Prisma based on the SPA25 amplifier and the separate eight-channel power amplifier A35.8, we have undoubtedly reached the top class of the home cinema world… You can hardly wipe the grin off your face!… Breathtakingly good, if you’ll forgive us for being so enthusiastic… The entire system immediately played at a very high level, tonally with bravura and absolutely seamless all around, which is very important in the cinema… It managed to sound smooth and yet attack out of nowhere… The Primare A35.8 has proven to be an extremely remarkable power amplifier… it delivers incredibly stable performance – and in contrast to some AV receivers, its performance does not drop one iota in ‘surround’ mode… But despite all the multi-channel spectacle, one must not forget that the Primare processor is also an absolutely uncompromising stereo preamplifier that can compete with practically any – or almost any – really good challenger in the four-digit price range in analog two-channel mode. Editor’s Recommendation – Five Stars

    View/download full review as PDF

  • EISA, International August 2024
    SP25 Prisma: EISA Best Product

    Primare’s SP25 Prisma has been awarded Best Product 2024-2025 home theatre processor by the Expert Imaging and Sound Association (EISA). This is the third year in a row that a Primare home theatre model has been so honoured, joining the SPA25 Prisma home cinema integrated amplifier and A35.8 eight channel fully bridgeable balanced input amplifier as EISA best product award winners.

    “An ideal partner for Primare’s EISA Award-winning A35.8 multichannel power amplifier, the SP25 Prisma processor caters to immersive audio systems up to 11.2 channels. Aided by Dirac Live room correction below 500Hz (upgradeable to full-bandwidth if desired), it creates convincing Dolby Atmos and DTS:X soundscapes with smooth highs, effortless dialogue reproduction, precise effects placement and deep, impactful bass. Music-friendly features include Primare’s Prisma streaming/radio platform and a USB DAC input, giving this neatly styled unit ‘all-rounder’ status. App control, extensive speaker/input preset configuration and the SP25 Prisma’s luxurious styling complete a great addition to Primare’s home theatre stable.” EISA Official Award Citation

    View full review

  • FWD, Benelux July 2024
    SP25 Prisma: As flexible as it is refined

    FWD Excellent Award, 9.0 out of 10 rating “The Primare SP25 is a flexible AV preamplifier that gets a lot right. The designers have made choices that some cinema builders will find less interesting. No HDMI 2.1 will be a dealbreaker for some people, for example. But it is always worth asking whether a certain function is really necessary. Because the slightly different philosophy of Primare does ensure an AV preamplifier that, in combination with the A35.8, comes out very strongly in certain areas. For example, the Primare plays music like a true hi-fi device, with the advantage that those tracks in Dolby Atmos that you find with Apple Music are also very well presented. With surround mixes, the SP25 manages to reproduce complex sound effects clearly and correctly positioned, which keeps the feeling of immersion strong.” 

    View full review

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