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Soundcraft

Soundcraft Si Expression 3 Digital 32-Channel Audio Mixer

★★★★★4.1 (14 reviews)

Experience Digital Mixing Excellence with Soundcraft Si Expression 3 The Soundcraft Si Expression 3 is a powerful digital mixing console with 32 channels, offering comprehensive control and versatile connectivity for live audio applications. Specifications Mic Inputs: 32 Mono Mic Inputs Line I...

$5,820.00*
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*Price sourced from Amazon.com. Last updated:Jun 19, 2026.Price and availability are subject to change.

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Overview

Experience Digital Mixing Excellence with Soundcraft Si Expression 3

The Soundcraft Si Expression 3 is a powerful digital mixing console with 32 channels, offering comprehensive control and versatile connectivity for live audio applications.

Specifications

  • Mic Inputs: 32 Mono Mic Inputs
  • Line Inputs: 4
  • Inputs to Mix: 66
  • Expansion Slot: 1 ViSi Connect option card slot for 64 x 64 input/output expansion
  • Faders: Freely assignable

Key Features

32 (16 - Si Expression 1, 24 - Si Expression 2) mono mic inputs

4 line inputs

66 inputs to mix

1 ViSi Connect option card slot for 64 x 64 input/output expansion

Freely assignable faders and patching

This product is sourced from an authorized Soundcraft North American dealer and includes the official Soundcraft manufacturer’s warranty. The warranty is valid only for products purchased from authorized Soundcraft North American dealers within the United States.

Specifications

Model
Si Expression 3 Digital Audio Mixer
Mono Mic Inputs
32
Line Inputs
4
Total Inputs to Mix
66
Expansion Slots
1 (ViSi Connect option card slot)
Expansion Capability
64 x 64 input/output
Fader/Patching
Freely Assignable

Pros & Cons

👍 Pros

  • Offers a substantial 32 mono mic inputs, making it suitable for larger live performances or studio recording sessions.
  • Capable of routing 66 inputs to the mix, providing extensive flexibility for complex audio setups.
  • Features 4 line inputs, allowing for connection of additional instruments or playback devices.
  • Includes one ViSi Connect option card slot, enabling substantial 64 x 64 input/output expansion for future needs.
  • Allows for freely assignable faders and patching, providing customizable control over the mix.

👎 Cons

  • The mixer's size and complexity, with 32 mono mic inputs, may be excessive for smaller venues or personal studio setups.
  • The product name "Si Expression 3" implies it's part of a series, and some features listed (like "16 - Si Expression 1, 24 - Si Expression 2") refer to other models, which can be confusing.
  • While it offers 64x64 I/O expansion, this requires an additional ViSi Connect option card, representing an extra purchase.
  • The comprehensive feature set could lead to a steeper learning curve for users unfamiliar with large digital audio mixers.
  • The description does not specify internal effects, dynamic processing, or other common digital mixer features beyond input and routing.

Frequently Asked Questions

The Soundcraft Si Expression 3 Digital Audio Mixer features 32 mono microphone inputs, making it suitable for larger audio productions.
Yes, this mixer can route up to 66 inputs to the mix, providing extensive capability for managing numerous audio sources.
Yes, it includes one ViSi Connect option card slot that allows for 64 x 64 input/output expansion, enhancing its versatility.
The Soundcraft Si Expression 3 provides freely assignable faders and patching, allowing users to customize their mixing workflow.
In addition to microphone inputs, the Si Expression 3 Digital Audio Mixer also features 4 dedicated line inputs for connecting other audio devices.

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