Primare I25 Prisma vs Primare I35 Prisma Detailed Comparison

Primare I25 Prisma vs Primare I35 Prisma

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Primare I25 Prisma

Integrated Amplifier | 100 watts RMS into 8-ohms

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Primare I35 Prisma

Integrated Amplifier | 150 watts RMS into 8-ohms

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Primare I25 Prisma

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Primare I35 Prisma

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Primare I25 Prisma

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Primare I35 Prisma

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Primare I25 Prisma vs Primare I35 Prisma Integrated Amplifier Comparison

In this review, we will be comparing I25 Prisma and I35 Prisma, two Integrated Amplifiers by Primare. Let's have a brief look at the main features of Primare I25 Prisma and Primare I35 Prisma first before getting into our more detailed comparison.

Primare I25 Prisma Key Specs

100 watts RMS into 8-ohms

Built-in DAC

Bluetooth

Weight: 24.20 lbs / 11.00 kg

Dimensions (H x W x D):4-1/4inch x 17inch x 17-15/16inch

Primare I35 Prisma Key Specs

150 watts RMS into 8-ohms

Built-in DAC

USB Input

Bluetooth

Weight: 24.20 lbs / 11.00 kg

Dimensions (H x W x D):4-3/16inch x 17inch x 17-15/16inch

What size room are the Primare I25 Prisma and Primare I35 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	Primare I25 Prisma	Primare I35 Prisma
Near-field	Poor	Are you nuts?
Small Room	Poor	Bad
Mid-size Room	Good	Poor
Large Room	Good	Good
Very Large Room	Average	Good

I25 Prisma and I35 Prisma are members of Primare's I series of speakers. Below you can find the loudspeakers from this series.

Primare I Series History

Model	Watts RMS (8-ohms)	Minimum Impedance	Built-in DAC
Primare I15	60 watts	N/A-ohms	No
Primare I35 Prisma	150 watts	N/A-ohms	Yes
Primare I15 Prisma	60 watts	4-ohms	Yes
Primare I35	150 watts	N/A-ohms	No
Primare I25	100 watts	N/A-ohms	No
Primare I25 Prisma	100 watts	N/A-ohms	Yes
Primare I15 MM	60 watts	N/A-ohms	No

In the following sections, we will get into more detail in order to understand how Primare I25 Prisma and Primare I35 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 Primare I25 Prisma over Primare I35 Prisma

MSRP Price(*)	4,495USD vs 5,795USD	costs less (*prices may change depending on the seller, location and time)

Reasons to choose Primare I35 Prisma over Primare I25 Prisma

Watts into 8-ohms	150 watts vs 100 watts	Delivers higher power into 8-ohms speakers
Watts into 4-ohms	300 watts vs 200 watts	Delivers higher power into 4-ohms speakers
USB Input	Yes vs ---	Connect Sources via USB
Height	107mm vs 108mm	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 Primare I25 Prisma and Primare I35 Prisma differs from each other.

Primare I25 Prisma Inputs

Total Number of Analog Inputs: 5
4 Optical Digital Input
2 Coaxial Digital Input
Ethernet Port

Primare I35 Prisma Inputs

Total Number of Analog Inputs: 5
4 Optical Digital Input
2 Coaxial Digital Input
USB Input:
- USB-A (connect to a USB Mass Storage Class)
- USB-B (connect to your computer for playback)
Ethernet Port
XLR Input Port

Primare I25 Prisma Back View (Click the image for the larger version)

Outputs

Stereo RCA (2) Preamp Outputs

Outputs

Stereo RCA Preamp Outputs

Primare I35 Prisma Back View (Click the image for the larger version)

What's in the Box of Primare I25 Prisma?

Here are the items that are included inside the box of I25 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

What's in the Box of Primare I35 Prisma?

Here are the items that come with the I35 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