Primare I25 Prisma Integrated Amplifier & Music Streamer

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I25 Prisma integrated amplifier joins I35 Prisma as the latest iteration of Primare’s now iconic integrated amplifiers and are the first to use the new UFPD 2 power system, a radical reworking of Primare’s award-winning UFPD all-analog Class-D technology.


Providing 100 watts at 8 ohms of absolutely linear UFPD 2 amplification across the entire audible bandwidth, I25 Prisma delivers naturally fast, clean and agile sound with an unprecedented ability to bring music to life.

In addition to five analog inputs, I25 Prisma includes a DM35 full-featured DAC stage enabling up to PCM 768kHz/32bit and DSD 256 conversion, as well as Prisma connectivity and control technology.


I25 Prisma features Prisma, Primare’s new whole-home, high-fidelity control and connectivity solution. 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.

Technical Specifications


  • UPFD 2: 2x 100/200W 8/4Ω
  • RCA In: 5 stereo pair analog
  • RCA Line Out: Stereo pair analog
  • RCA Pre-out: Stereo pair analog


  • DAC: AKM AK4497
  • 4 x Optical/TOSLINK 192kHz/24 bit
  • 2 x RCA 192kHz/24 bit
  • 1 x USB-A up to 192kHz/24 bit; up to DSD128 (5.6MHz)
  • 1 x USB-B up to 768kHz/32 bit; up to DSD256 (11.2MHz)
  • 1 x RCA Digital Output


  • (AAC), WMA, OGG, DSD
  • Sample rates: 24 - 192 kHz 
  • WLAN: IEEE 802.11 a/b/g/n/ac (2.4/5gHz)
  • Inputs USB-A, 2 x LAN, WLAN (192 kHz)
  • Streaming: Bluetooth/WiFi/AirPlay/Bluetooth
  • Chromecast: built-in
  • Spotify Connect: Yes


  • Finish Options: Black and Titanium
  • Control: C25 remote, RS232; IR in / out; Trigger out
  • Standby (ECO): <0.5W Standby (NORMAL): <5.5W Operating: <32W
  • Dimensions (WHD): 430 x 106 x 420mm
  • Weight: 11Kg