Soundcraft Si Expression 3 32-channel digital audio mixer with high-performance, cost-effective professional microphone
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Product description
Digital audio mixer High-performance, professional, and cost-effective, the Soundcraft Si Expression 3 model.
- The Soundcraft Si Expression 3 digital mixer is the most powerful in the Si Expression series, combining advanced digital performance with the ease of use Soundcraft is known for. Drawing on over a decade of digital mixing expertise, this mixer utilizes the latest DSP technology and high-quality components to deliver a professional solution suitable for large live performances and advanced audio systems.
- All units in the Si Expression series share the same basic capabilities; the main difference lies in the number of feeders and microphone inputs. The Si Expression 3digital mixer features 30+2 feeders and 32 microphone/line inputs, making it the ideal choice for large theaters, large houses of worship, and professional sound companies.
Technical description:
- The Si Expression 3 is equipped with 32 callable digital microphone amplifiers, plus 4 Line inputs, 4 internal stereo FX channels, an AES input and output, and a 64x64 ViSi Connect™ digital expansion port that enables full utilization of all 66 processing channels.
- Each input channel contains independent processing that includes:
- High Pass Filter
- Input Delay
- Gate
- Compressor
- Four-band audio equalizer (4-Band EQ)
- Full control is provided via an advanced automation system supported by 4 Mute Groups and FaderGlow™ technology that ensures complete visual clarity of the feeder functions during live operation.
Technical specifications:
- Device type: Professional digital audio mixer
- Number of microphone inputs: 32 (callable)
- Line Entries: 4
- Total processing channels: 66 channels
- Internal FX channels: 4 Lexicon FX stereo engines
- Buses:
- 20 buses Aux / Subgroup
- 4 FX Busses
- 8 Matrix Busses
- Main Exits Left / Right / Center
- Processing on each input channel:
- High Pass Filter
- Input Delay
- Gate
- Compressor
- 4-Band EQ
- Processing on each bus:
- Compressor
- 4-Band EQ
- BSS Graphic EQ
- Delay
- Digital expansion:
- 1 x ViSi Connect™ Slot (64×64 I/O)
- Connections and outputs:
- AES In/Out
- 16 Balanced Line Outputs
- Headphone output
- Control interface:
- Color touch screen
- Global Mode Encoders
- Control systems:
- 4 Mute Groups
- Quick access keys (Store / Recall / Tap Tempo)
- Compatibility:
- Harman HiQnet support
- Free Firmware Updates
Key features:
- The most powerful version in the Si Expression series with 32 microphone inputs
- Exceptional sound quality with EMMA™ DSP processor
- FaderGlow™ technology for color-coding feeder functions
- Lexicon's professional effects are processed independently without affecting performance.
- GEQ from BSS on each bus without consuming additional resources
- High flexibility in bus configuration (Mono / Stereo)
- Extensive digital expansion via ViSi Connect™ cards
- Stagebox support with a significant increase in the number of mixing channels.
- Advanced security system for managing users and permissions
- A user-friendly and fast interface suitable for direct work.
Product summary:
- The Soundcraft Si Expression 3 digital mixer is a professional, all-in-one digital mixer designed to meet the needs of large audio systems requiring a high number of inputs, powerful processing, and high performance stability. It combines flexibility, quality, and ease of control in one practical and robust design.
Applications used for the product:
- Large theaters and live performances
- large places of worship
- Events and conferences
- Professional audio companies
- Fixed audio systems
- Live streaming and multi-channel recording
Summary and final advice:
- If you're looking for the most powerful digital mixer in the Si Expression category with the most microphone inputs and complete control over audio performance, the Soundcraft Si Expression 3 is the ideal choice. Recommended for professional environments that accept no compromises in quality or flexibility, it's a long-term investment for any advanced audio system.




