I15 Prisma Integrated Amplifier and Network Player | Primare

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I15 Prisma – integrated amplifier and network player

I15 Prisma is an award winning integrated amplifier and network player providing 60 watts of power per channel and featuring Prisma music streaming and multi-room/multi-zone functionality.

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Primare I15 Prisma integrated amplifier and network player technology inside


With the three-quarter-sized cabinet of I15 Prisma, even greater possibilities than with full size components open up for providing the highest quality music performance and access to any and every room in the house.

The amplification section utilizies a class leading Hypex all analog output stage providing 60 watts of power for astonishing drive and control of virtually any speaker, completely belying the amplifier’s compact size.

The digital to analog conversion stage is equally impressive, capable of processing music files with resolution up to PCM 384kHz and DSD 128 capabilities.

Prisma – Network and Multiroom Technology

Prisma is a bundle of technologies that provide the broadest range of network music player features and functionality. Essentially created to be a streamer that would allow everyone, and everywhere, in the household to explore, discover, and share the deeply satisfying experience of high-performance music playback – Prisma provides multi-room/multi-zone connectivity and control of stored and streamed media, whether wired or wireless, all managed from mobile devices through the dedicated Prisma system control app.

In addition to AirPlay 2*, Bluetooth®, Roon Ready*, and Spotify Connect®, Prisma features Chromecast built-in, a unique streaming portal allowing effortless direct connection to hundreds of streaming applications and services, including voice control, for the best possible performance and user experience.

*with future update

Primare I15 Prisma integrated amplifier and network player front titanium

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 compact, essentially three-quarter sized, of the 15 series, cabinets creating the sense of perfect proportions being just right for allowing placement within any living environment – or as we say lagom, not too much not too little, everything in balance, proportion, and harmony.

System Building

With the 15 Series, we offer a carefully considered array of models in order to allow for the best selection to fit any of your system needs. For example, the ultimate 15 Series system might be the DD15 CD transport, SC15 Prisma preamplifier and network player, I15 analog integrated amplifier, and R15 MM/MC phono preamplifier, allowing for the best performance, analog or digital, with the greatest number of connection options. However, there may be no need for additional digital inputs, MC phono preamplification may not be requirement, or simply to address budget or size considerations, a system composed of CD15 Prisma CD and network player with an I15 MM integrated amplifier with MM15 MM phono module installed could be assembled. This compact and reasonably priced system provides multiple analog source playback, including vinyl disc, as well as digital disc, stored or streamed media playback, with remarkable power, control, and connection flexibility.

Primare System Building CD15 I15 R15

I15 MM + CD15 Prisma: A Delightful Duo

We have experienced the Primare I15 and CD15 Prisma as one blissful duo together. We praise the balance that the manufacturer has been able to achieve in construction, optics and performance... New from the box, we immediately fall for the warm-neutral sound signature and the detailed sound stage of the I15... The CD15 Prisma is just about everything that could be expected from of a modern digital player... the price-performance ratio is unsurpassed.

Music Emotion, The Netherlands, July/August 2019,   Download PDF

I15 Prisma: Beautiful System - Primare / Falcon Acoustics - Emotional content

What we have here is a system that consistently shows that character is not a polite excusing of flaws or faults. It is utterly viceless to live with and has a specification that allows it to perform almost any role you can envisage from an audio system in 2019. Thanks to the materials involved and the care and effort in their construction, the result is an almost perfect physical manifestation of equipment that generates the feeling that has me referencing kung fu movies. Every time I've sat down to listen to this system, I've ended up happier than when I started... and it doesn't get much better than that.

HiFi Choice, UK, May 2019,   Download PDF

I15 Prisma: Swedish Integration

I15 behaves like a pure audiophile amplifier with normal dimensions. In the sonic sphere, there is no indication that the housing is half as big as usual. I was surprised by the maturity and richness of the sound - its scale, momentum, and power. And amazingly low compression.

Audio Video, Poland, May 2019,   Download PDF

I15 Prisma: Review Primare I15 Prisma amplifier - streamer

The Primare I15 Prisma is a modern all-rounder with high user-friendliness. The sound is in balance, entirely according to the philosophy of this Swedish manufacturer. The amplifier, the dac and the streamer are all excellent. The small Primare I15 Prisma can be the digital heart of a beautiful set that takes up little space but plays big. We say: Alpha Approved!

Alpha Audio, The Netherlands, May 2019

I15 Prisma: Primare I15 Prisma test: a small hi-end amp, ultra solid and ultra connected

"The sound reproduction is particularly clean, pure, solid with a notable absence of all forms of coloration. The Primare I15 Prisma is not a demonstrative, exuberant amplifier that imposes its personality. On the contrary, it has great neutrality, at the same time soft and precise. But that does not stop it from being strong."

On Magazine, France, March 2019

I15 Prisma + DD15: A nice musical adventure

The time I spent with the Primare I15 Prisma and DD15 goes into the books as a nice musical adventure. Not only did this beautifully designed and pleasantly compact set offer me an interesting look at the already current future vision of Primare, I also really listened to it with great pleasure.

Music Emotion, The Netherlands, October 2018,   Download PDF

I15 Prisma: "alter schwede" ("Gosh")

The Primare I15 Prisma is a great-sounding, modern hi-fi system. Flexible and equipped with a wonderfully powerful amplifier. The I15 offers everything you need to really enjoy listening to music. Whether you want to describe this as a Scandinavian way of life or elegant simplicity, is up to you. However, it is clear that with the I15 Primare has created a slim, versatile and powerful sound system. So, they're just doing something right, these Swedes.

HiFi einsnull, Germany, November 2018,   Download PDF

I15 Prisma: On your own path

Primare's Prisma series achieves a brilliant performance: the compact Integrated amplifier I15 is not only exceptionally powerful, but by a clever trick also supports all web services. With Primare's Prisma line we now have another candidate who could raise the bar. The handy amplifier delivers a whopping 146 watts into four ohms, its impulse even reaches 197 watts - delivering powerful dynamics and steadfastness that you can do a small box would never dare! For his silky, never sharp and at the same time incomparably broad and spatial Meanwhile, the precursor tone is responsible - and that is very built up and analog. 5 Stars - OUTSTANDING

Stereo, Germany, October 2018,   Download PDF

I15 Prisma: Licensed to Sound

May I introduce myself? Prisma! Primare Prisma! That would be the words of the I15, if it should play the main role in a James Bond movie. The I15 just has a "license to sound." For me, as a pronounced digital fan, the I15 Prisma was a real revelation. Great app, super-fast response in all situations, and a great, powerful sound. After a short time, I did not want to give it up. 97 points - Outstanding

Audio, Germany, October 2018,   Download PDF

I15 Prisma: Primare I15 Prisma

We can agree with EISA's decision to reward this excellent Primare product. A small and elegant amplifier which also includes the functions to reproduce any audio content present on directly connected hard drives or sent over-digital inputs or streaming via network or through all the main wireless technologies. But above all, it is an apparatus capable of supplying sound, as well as features, that go well beyond expectations, considering its sale price set well under two thousand euros.

Audio Review, Italy, September 2018,   Download PDF

EISA AMPLIFIER 2018-2019 Award: Primare I15 Prisma

Primare's industrial design speaks volumes in this stylish, slimline amplifier. Despite being just three-quarters the size of conventional separates, it punches way above its weight in sound and features. Alongside conventional analogue inputs, there's a hi-res PCM/DSD DAC plus Prisma connectivity and control technology that includes Bluetooth, AirPlay, Spotify Connect and Chromecast (with Roon) functionality. It sounds surprisingly good for its size - super-smooth and creamy with detail aplenty and satisfying stage depth. The proven Class D power amplifier is meaty enough to drive most loudspeakers, while the fascia's crisp OLED display keeps track of source and volume settings. Factor in the svelte alloy casework and the I15 Prisma makes great sense for those seeking something out of the ordinary.

EISA, International, August 2018

AVTech Media Award 2018/2019: Best Stereo Integrated Amplifier I15 Prisma

This small-footprint integrated amplifier combines DAC and streaming capabilities with a Class D output stage inside a remarkably clean-looking chassis. It puts out a claimed 2x60W into 8ohm and delivers a sound that is more potent than its three-quarter-width dimensions might suggest. In use, its majestic grace, poise and control is matched by a measured and even tonality. Smooth, couth and sophisticated, Primare's I15 Prisma proves that you can have the convenience of app control, stylish elegance and musical satisfaction all in one.

AVTech, United Kingdom, December 2018

I15 Prisma: Compact, All-In-One and Just Right

Compact and Powerful: The dimensions of the I15 say nothing about the performance, because the amplifier combines power and refinement and by the broad support of modern hi-res audio formats you can also enjoy the best quality music. The I15 Prisma indeed delivers, as Primare has already thought up, performance that matches the Swedish expression 'LAGOM'. This is just right. Especially when you look at the price.

HVT, The Netherlands, September 2018,   Download PDF

I15 Prisma: Open for Everything

Primare succeeds in a brilliant performance: The compact I15 Prisma integrated amplifier is not only extraordinarily powerful, but with a clever trick it also supports all web services. Irrespective of the source used, the small amp forms a broad and deep stage, is able to draw instruments and voices extremely sharp into the room, and above all has those silky-fine timbres with which many of its larger siblings could enchant us. The resourceful Swedes simply know how to force listeners to teeter in time with the music - and that's what counts!

FonoForum/HiFiForum, Germany, November 2018,   Download PDF

I15 Prisma: "OK, Primer!"

This is precisely the most delicious thing with the Primare I15 Prisma - the capabilities of the most advanced network devices today combined with sound quality that most of these devices are not available by definition. And, importantly, improving the level of sound quality in this case refers not only to music on files or in streaming, but in general to everything that may produce sound, and that can be connected to this unit.

Stereo & Video, Russia, February 2019

I15 Prisma: Primare I15 Prisma - This junior sounds quite senior!

Yes, there is loads of detail, and a wide-open soundstage provides full and unencumbered access to the music. But it's the sense of authenticity - the joy of being able to savour the performance as a whole, rather than seeking out and isolating specific elements - that makes the I15 so compelling.

AudioVideo, South Africa, February 2019

I15 Prisma: Primare I15 Prisma networked amplifier

Such is the elegant industrial design of this compact, network-capable integrated amp that its versatility might, on very brief examination, be missed. For alongside its fine sound there's extensive functionality including Roon and Chromecast. Decidedly not a minimalist product, the Primare I15 Prisma is a lovely listen that packs a wealth of technology into a small box, and does so with great elan. HIGHLY COMMENED

HiFi News, United Kingdom, October 2018

I15 Prisma: Primare I15 Prisma

Despite its copious amounts of facilities, you shouldn't think of this amplifier as a lightweight in the sonic stakes. Yes, it has a dry and accurate presentation, rather than embellishing the music, but it's always fun and is backed up by plenty of power, too. Smooth, couth and sophisticated, Primare's new I15 Prisma shows that in today's hi-fi world, you can have convenience, style and musical satisfaction in one box, at a very reasonable price. RECOMMENDED

HiFi Choice, United Kingdom, December 2018


Awards and Reviews

We are not the only ones convinced that Primare Products create a remarkable sound experience. Read what journalists around the world have to say.

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  • Output power2 x 60W/100W 8/4 ohms
  • DACAKM AK4490
  • RCA1 x stereo analog pair
  • 3.5 mm1 x stereo analog/digital
  • RCA1 x digital input
  • Toslinkx 3 digital inputs
  • USB-B1 x digital input
  • RCA1 x stereo pair variable analog output
  • RCA1 x digital output
  • C25 remoteIR system control
  • IR3.5 mm in/out
  • RS232outboard system control port
  • 12V Triggerout
  • Prismaconnectivity and control
  • USB-Ax 1
  • Ethernetx1
  • WiFi
  • AirPlay
  • Bluetooth
  • Chromecast built-in
  • Spotify Connect
  • Dimensions350 x 73 x 329 mm (WHD)
  • Weight6.4 Kg
  • Finishblack or titanium
Primare Bent Nielsen, Chief Engineer at Primare since 1986

Bent Nielsen

Chief Engineer at Primare since 1986

Engineers notes:
I15 Prisma – Integrated Amplifier and network player

I15 Prisma is an integrated amplifier and network player – capable of providing exemplary performance whether the source is analog or digital, stored or streamed, wired or wireless.

Continuing a Primare tradition of delivering astonishing performance from compact and elegant devices for easy installation into virtually any living environment, I15 Prisma’s three-quarter sized cabinet offers even greater possibilities for providing the highest quality music performance and access to any and every room in the house.

Show more

I15 Prisma provides 60 watts of output power per channel, digital to analog conversion with up to PCM 384kHz and DSD 128 capabilities, as well as complete digital media access and system management by way of the Prisma connectivity and control technology.

Prisma provides multi-room/multi-zone connectivity and control for playback of stored and streamed media, wired or wireless, all managed from any mobile device through a dedicated system control app. In addition to Bluetooth, AirPlay, and Spotify Connect, Prisma features Chromecast built-in, a unique streaming portal allowing effortless direct connection to hundreds of streaming applications for the best possible performance and user experience.


  • Design Philosophy
  • Amplifier Technology
  • Digital to Analog Conversion Technology
  • Prisma Connectivity and Control Technology
  • Specifications

Design philosophy

All of Primare designs are a result of our Practical Design Approach, resulting in a focus on two fundamental design elements:
Thoroughly implemented power supply designs – so that all elements of any design to operate effortlessly at their fullest effectiveness. Every product and sub-circuit demands unique power supply solutions – a more conventional linear supply or advanced switch mode main supply may work best dependent upon the application, and carefully crafted individual discrete power supplies are strategically inserted into the circuit to deliver power exactly where and how much is needed.
Artfully crafted ultra-short signal paths – so that each individual component and sub circuit operates sympathetically to achieve a cohesive whole. Elegant and simple electrical designs are used in even the most complex product, utilizing ultra-short signal paths with all gain in one device whenever possible. Ultimately, this results in fewer, higher quality parts for a reduction in associated distortions and an increase in overall electrical efficiency.
To that end, basic technologies have been selected to realize those benefits:

  • 2 and 4-layer double-sided circuit board construction allows for the most direct and efficient layout of circuit components not only for the shortest signal path, but also to more easily achieve a sympathetic layout of circuit and sub-circuit components for best performance.
  • Surface mount components are used whenever possible as this allows for direct connection of the circuit device or component to the circuit board trace with the solder being used solely to mechanically hold the part in place. The elimination of the small metal lead or wire at each connection point in a more conventional large scale circuit device or component cumulatively shortens the signal path. Additionally, conventional large scale components demand through hole or “eyelet” construction, limiting direct contact of the component’s lead to the circuit board trace and resulting in the solder providing electrical connection as well as mechanical connection for the device. Neither solder nor the metal used in the leads of most large scale devices provide the best signal transmission, therefore limiting potential performance of even the best designed circuits.
  • Class D amplifier technology has many inherent advantages, one of which is the ability to locate the heat sink directly on the circuit board within the amplification module, considerably reducing circuit path length and allowing for the power output devices to be directly connected to the speaker output connection posts.

Amplifier Technology

Input section

Carefully crafted input circuitry utilizes relays for input switching providing better isolation and sound than found in more conventional CMOS (Complementary metal–oxide–semiconductor) switches, and improved 2 x 4 channel balanced mode volume control IC selected for optimal channel balance and low listening level performance.

Control Section
The latest generation OLED display technology used in the I35 was originally developed for the automobile industry to ensure long life in even the most hostile environments, and improved readability due to greater consistency of color value and brightness level.
Auto sense input circuitry automatically selects any input source as it is activated.
C25 IR remote control with completely new, proprietary control codes for faster response and reduced interference.
RS-232 connection, in addition to being used for component quality control testing of each and every product, allows for the use of whole home system control technologies such as Control 4.
12V triggers for coordinated system turn on and turn off.

Control Configuration
Either from the front panel, C25 IR remote control or Prisma app, the I15 Prisma can be configured to best suit system needs, including:
Input settings
Status – enable or disable the input to make it visible or not, so only those you use are visible for easier input selection
Alias – edit the alias, or rename, each input to give it a specific name, for easier identification
Auto-sense – enable auto-sense to determine which inputs will be automatically selected when a signal is detected
Volume – choose between variable or fixed volume, allowing any input to pass through the preamp stage to connect directly to the amplifier for use of within a home theater system configuration.
Or fixed gain setting allows for any input to be use in a theater or surround sound pass through configuration
Input Gain – adjusting the input gain so that all inputs to be at the same relative volume level, and as result the ability to raise or lower overall gain for preferred output volume setting
Audio Settings
Balance – to adjust the output balance between the left and right speaker
Startup volume – sets the volume level at a predetermined level upon turn on from standby or at the level when last switched off.
Maximum volume – sets the maximum volume
Mute volume – sets the output level when muted, from 0 to any preferred setting
Digital output – to select between 48kHz and 96kHz settings for the digital output from analog inputs, as some devices in your system might not be compatible with the default 96kHz output.
Show inputs – choose between showing all enabled inputs or only those with signal
Front panel – to lock the front panel to disable all front panel controls
Auto dim – select the amount of time at which the front panel display will dim
LED brightness – set the level of display brightness for three specified dim levels
Standby settings
Standby mode – select
“normal” standby, which allows any activated input device set to “wake up” enable to wake up the Prisma integrated amp or preamplifier from standby
or “Eco” in order for the device to consume less than 0.5W in standby mode, disabling auto wake-up
Auto-standby – sets the amount of time without user interface action or signal from last selected source before the device automatically goes into standby
Wake up – enables auto-sense to wake up the device from standby upon detecting an input signal source
Factory reset – allows for the device to be returned to factory default settings

Amplification Section
The I15 Prisma employs a specially made Hypex UCD102 amplifier module, fed by our custom heavy duty switch mode power supply and carefully crafted analog input stage, provides a dynamic and detailed sound. The large scale mass production of this module allows us to provide the balanced and coherent sound for which Primare has become known at a more reasonable price than can be achieved with our limited production UFPD 2 amplifier module technology.

Power Supply Section
Given the speed with which the Hypex amplifier module is able to deliver power to the speaker a switch mode power supply was the only choice in that it allows for rapidly varying demand, providing much more stable voltage, with ancillary capacitive storage to meet peak transient burst requirements.

Digital to Analog Conversion (DAC) Technology
In order to allow for playback of virtually any digital source with absolute accuracy and musicality a high performance 32-bit stereo AKM DAC AK4490EQ chipset was selected for the I15 Prisma, incorporating AKM’s VELVET SOUNDTM technology, and capable of achieving -112dB THD+N with 120dB (stereo) S/N, while supporting up to 768kHz PCM and 256/11.2MHz DSD.

The AK4490EQ integrates a newly developed switched capacitor filter “OSR Doubler” that greatly reduces sound degradation from noise shaping, achieving a flat noise floor up to 200kHz. An innovative design technique utilizing a symmetrical layout for the left and right channels prevents signal quality deterioration, and a 32-bit digital operation block provides full 32-bit processing.

Prisma Connectivity and Control Technology

Prisma provides multi-room/multi-zone connectivity and control for playback of stored and streamed media, wired or wireless, all managed from any mobile device through a dedicated system control app. In addition to Bluetooth®, AirPlay, and Spotify Connect, Prisma features Chromecast built-in, a unique streaming portal allowing effortless direct connection to hundreds of streaming applications for the best possible performance and user experience.

Prisma App, in addition to the configuration settings control listed above, provides:
Switching of all inputs, analog and digital, stored or streamed
Playback functions: Play, stop, track forward and back, shuffle play, repeat single or all tracks, volume mute, volume adjustment either by tapping the -/+ icons or sliding your finger across the volume bar
Multi-room multi-zone control between other Prisma enabled devices
Search by artist, album, track, and title from stored media
Complete track information, including file format, bit and sample rate
Playlist and Queue creation from stored media

Digital – USB-A
Sample rates up to PCM 24/192kHz and DSD 128/5.6mHz
File formats: WAV, LPCM, AIFF, FLAC, ALAC, MP3, MP4 (AAC), WMA, OGG, DSD
Wired/LAN – two Ethernet connection ports allow Prisma to act as network switch for flexible wired network system connection options
Wireless/WLAN – dual band wireless technology (WLAN IEEE 802.11 a/b/g/n and 802.11ac compliant)
Bluetooth – connects Apple, Android, and Windows devices directly for playback of either streamed or stored content from the associated device with lossy compression. Given the wide availability of this technology and lower resolution capabilities, Bluetooth is an easy way to stream content for informal listening.
AirPlay – connects Apple devices over the WiFi network for playback of either streamed or stored content from the associated device with lossless compression. As a result, AirPlay has the capability of playing over greater distances than Bluetooth, and as the Apple Lossless Audio Codec is used to allow streaming quality up to CD quality (44.1kHz), is appropriate for more critical listening.
Spotify Connect – connects any device with the Spotify application over the WiFi network directly to that service, and allows for playback at the highest level offered by the required Premium service (up to 320 kbps).
Chromecast built-in – offering the greatest level of connectivity and control options:
The Chromecast built-in associated Google Home application connects the Prisma device to your WiFi network for casting hundreds of enabled music streaming services.
Because it provides a direct connection between the I35 Prisma and the preferred music service through the network, playback quality is limited only by the quality of resolution provided by that service, meaning the possibility of higher resolution playback from services like TIDAL HiFi and Qobuz (up to 24-bit/96kHz).
More than one device can be connected at a time, content can be cast to any Chromecast built-in device on the network, and control of all functions can be accomplished from anywhere within the network.
Automatic Prisma firmware updating through Google Home application.
Voice control though the Google Home speaker and Google Assistant is anticipated as that system becomes readily available.