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Rotel S14 vs Primare I15 Prisma
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Rotel S14

Integrated Amplifier | 80 watts RMS into 8-ohms

Rotel S14
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Primare I15 Prisma

Integrated Amplifier | 60 watts RMS into 8-ohms

Primare I15 Prisma
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Rotel S14 Rotel S14
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Primare I15 Prisma Primare I15 Prisma
See at AMAZON
Rotel S14
See at AMAZON
Primare I15 Prisma
See at AMAZON
Rotel S14 vs Primare I15 Prisma Integrated Amplifier Comparison

In this review, we will be comparing two different type of speakers . Rotel S14 is a Integrated Amplifier with built-in DAC speaker whereas the I15 Prisma is a Streaming Integrated Amplifier speaker.

Let's have a brief look at the main features of Rotel S14 and Primare I15 Prisma first before getting into our more detailed comparison.

Rotel S14 Key Specs

  • 80 watts RMS into 8-ohms
  • Built-in DAC
  • USB Input
  • Bluetooth
  • Weight: 20.17 lbs / 9.17 kg
  • Dimensions (H x W x D):3-5/8inch x 17inch x 14-13/16inch

Primare I15 Prisma Key Specs

  • 60 watts RMS into 8-ohms
  • Built-in DAC
  • USB Input
  • Bluetooth
  • Weight: 14.30 lbs / 6.50 kg
  • Dimensions (H x W x D):2-7/8inch x 13-7/8inch x 15-7/16inch

What size room are the Rotel S14 and Primare I15 Prisma Amplifiers good for?

The size of the room in which you are planning to use these amplifiers is an important decision factor. Here we have compared their suitability to various sizes of environments considering their max power parameters:

Listening Environment Rotel S14 Primare I15 Prisma
Near-field Poor Average
Small Room Average Good
Mid-size Room Good Average
Large Room Average Poor
Very Large Room Poor Bad

In the following sections, we will get into more detail in order to understand how Rotel S14 and Primare I15 Prisma compares and end up with enough arguments to decide which one of these amplifiers is the better choice for you.


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.


Reasons to choose Rotel S14 over Primare I15 Prisma
Full-color Display Yes vs No Displays Album and device Info
Watts into 8-ohms 80 watts vs 60 watts Delivers higher power into 8-ohms speakers
Watts into 4-ohms 150 watts vs 100 watts Delivers higher power into 4-ohms speakers
Total Harmonic Distortion (THD) 0.04% vs 0.05% Less Harmonic Distortion
Signal to Noise Ratio 100 dB vs 97 dB Higher ratings results in cleaner sound
Coaxial Digital Inputs No vs 1 More options for connecting Digital sources
Headphone Output 3.5mm vs No Connect your headphone to the amplifier

Reasons to choose Primare I15 Prisma over Rotel S14
MSRP Price(*) 2,195USD vs 2,499USD costs less (*prices may change depending on the seller, location and time)
Optical Digital Inputs 3 vs 1 More options for connecting Digital sources
Coaxial Digital Inputs 1 vs No More options for connecting Digital sources
Max Sample Rate 768kHz vs 384kHz Play higher resolution media
Base Surface Area 1387.3cm2/ 215.0inch2 vs 1628.0cm2/ 252.3inch2 takes less space in your room
Height 74mm vs 93mm Easier to fit in smaller spaces

Inputs and Outputs

The input and output selections that are offered is an important factor when comparing two amplifiers. Here you can find how the I/O selections of the Rotel S14 and Primare I15 Prisma differs from each other.

Rotel S14 Inputs
  • Total Number of Analog Inputs: 1
  • 1 Optical Digital Input
  • USB Input:
    • USB Type A input for connecting a flash drive
    • USB Type B input for connecting a computer
  • Ethernet Port
Primare I15 Prisma Inputs
  • Total Number of Analog Inputs: 1
  • 3 Optical Digital Input
  • 1 Coaxial Digital Input
  • USB Input:
    • USB-A (connect to a USB Mass Storage Class)
    • USB-B (connect to your computer for playback)
  • Ethernet Port
Rotel S14 Back View
Rotel S14 Back View (Click the image for the larger version)

Outputs
  • Stereo RCA, Sub Preamp Outputs
  • 3.5mm Headphone Output
  • Subwoofer Output
Outputs
  • Stereo RCA Preamp Outputs
Primare I15 Prisma Back View
Primare I15 Prisma Back View (Click the image for the larger version)

What's in the Box of Rotel S14?

Here are the items that are included inside the box of S14:
  • Stereo integrated amplifier
  • 58-inch AC power cord
  • Remote control
  • CR2035 3V battery (pre-installed)
  • 2 Wifi antennas
  • 1 Bluetooth antenna
  • 5-feet USB-B to USB-A cable
  • 57-inch Ethernet cable
  • USB Audio Driver thumbdrive
  • Hex-key
  • Quick Installation Guide
  • Important Safety Instructions
  • Addendum For Roon Ready
  • Spotify Connect Instructions
  • What's in the Box of Primare I15 Prisma?

    Here are the items that come with the I15 Prisma:
  • Integrated amplifier
  • 6-feet AC power cord
  • Remote control (C25)
  • 2 AAA batteries
  • 2 Bluetooth/WiFi antennas
  • Two 59-inch Mono-minijack cables
  • AC polarity pen
  • Thank You Letter
  • Safety And Warning Notification
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