The Soundcraft GB4 24-Channel High Performance GB Series Console Audio Mixer combines a comprehensive set of features with compact design and exceptional audio performance, making it perfect for installations and small touring sound systems. With a focus on reliability and ease of use, the GB4 is engineered to meet the demands of live sound mixing while providing the performance you expect from a Soundcraft product.
Designed by Graham Blyth to celebrate Soundcraft’s 30th anniversary, the GB4 features the renowned GB30 microphone preamps and 4-band GB30 EQ section, ensuring pristine audio quality for all your live sound needs. The mixer is available in frame sizes ranging from 16 to 40 channels, and this 24-channel version is well-suited for smaller venues, churches, performance spaces, or touring systems.
The GB4’s dual-mode operation allows it to function as both a front-of-house (FOH) or monitor mixer, with the flexibility to switch between the two modes with the push of a button. This versatile mixer also includes 7 buses (4 subgroups and left, right, and center main mixes), 8 auxiliary sends with flexible pre/post switching, and 4 mute groups for simultaneous muting of multiple channels.
A standout feature is the 7×4 matrix output system, which allows you to create separate sub-mixes of the left, right, center, and group outputs, giving you precise control over your mix. The rugged steel chassis with a sloping rear connector panel makes it easier to configure the system, while the integral power supply includes a link option for an external backup PSU, ensuring peace of mind during live events.
The GB4 also features LED meters and a limiter on the dedicated record outputs, simplifying stereo recording of the mix. The durable construction and high-end components make this mixer a reliable solution for professional sound engineers, offering both high performance and cost-effectiveness in a compact footprint.
Features:
24 mono input channels with GB30 microphone preamps and 4-band GB30 EQ
Dual-mode operation for FOH or monitor mixer configuration
7 buses (4 subgroups + left, right, and center main mixes)
8 auxiliary sends with pre/post switching
4 mute groups for efficient channel muting
7×4 matrix output for creating separate sub-mixes
4-segment LED meters and 12-segment output meters
Direct outputs on every mono channel for flexible routing
Dedicated limiter on record outputs for easy stereo recording
Rugged steel chassis with sloping rear connector panel for easy setup
External PSU link option for backup power supply
Specifications:
| Attribute | Value |
|---|---|
| Model | Soundcraft GB4 (24 Channel) |
| Input Channels | 24 Mono, 4 Stereo |
| Output Channels | 4 Subgroup Outputs |
| Preamp and EQ | GB30 Microphone Preamp and 4-Band EQ |
| Dual-Mode Operation | Yes (FOH or Monitor Mixer) |
| Auxiliary Sends | 8 Auxiliary Sends (Pre/Post Switching) |
| Mute Groups | 4 Mute Groups |
| Matrix Output | 7×4 Matrix (Left, Right, Center, and Group) |
| Direct Outputs | Yes, on all mono channels |
| LED Meters | 4-segment LED meters for each output, 12-segment output meters |
| Power Supply | Internal PSU with External Backup PSU Link Option |
| Shipping Weight | 27.50 kg |
| Shipping Dimensions | 75.00 cm x 67.60 cm x 25.50 cm |














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