Used DiGiCo S21
Used DiGiCo S21 units are digital mixing consoles suited to live sound, touring, studio work, and corporate events, offering Flexi input channels, configurable outputs, and dynamic processing in a compact format. Second-hand S21 consoles appear regularly on 10K Used from professional audio suppliers worldwide. Scroll down to browse current listings.
Used – Excellent Dealer
Used – Fair Dealer
Used – Excellent Dealer
Used – Excellent Dealer
Used – Used 4 - Good Dealer
Used – Excellent Dealer
6 listed right now — list yours to the buyers searching this model.
Get an email when a new DiGiCo S21 is listed.
DiGiCo S21 specifications
| Brand | DiGiCo |
| Segment | Audio |
| Analogue or Digital | Digital |
| IP Rating | Non IP Rated |
| Typical used price | $14,561 (range $3,201–$34,986) |
About the DiGiCo S21
The DiGiCo S21 is a digital mixing console designed for audio professionals working across live sound, touring, studio, and corporate event environments, with applications also noted in education and festival settings. It features 48 Flexi input channels, 16 Flexi aux and sub-group buses, a 10x8 processing matrix, and a range of dynamic equalisers and compressors. The console provides 24 XLR inputs and 12 outputs, alongside 32 input channels and 16 configurable outputs for handling complex audio signals. Its interface is designed for intuitive control, and the S21 accepts optional expansion cards such as the DMI MADI RJ45.
DiGiCo S21 — buyer FAQs
What is the DiGiCo S21 and what is it used for?
The DiGiCo S21 is a digital mixing console designed for audio professionals working in live sound, touring, studio recording, corporate events, education, and festival environments. It features 48 Flexi input channels, 16 Flexi aux and sub-group buses, a 10x8 processing matrix, and a range of dynamic equalisers and compressors, making it suited to complex, multi-source mixing across a wide range of professional settings.
Who makes the DiGiCo S21 and where does it fit within the brand?
DiGiCo is a British manufacturer based in Chessington, England, specialising in digital mixing consoles for live sound, musical theatre, broadcast, and installed sound. It is part of the Audiotonix group, which also owns Allen and Heath and Calrec. The S21 sits within DiGiCo's console range as a digital desk targeting professionals who need capable, flexible mixing across touring, studio, and corporate event work.
What input and output configuration does the S21 offer?
The S21 provides 48 Flexi input channels and 16 Flexi aux and sub-group buses alongside a 10x8 processing matrix. Its physical I/O includes 24 XLR inputs and 12 outputs, with 32 input channels and 16 configurable outputs available for handling complex audio signals. The console also accepts optional expansion cards, such as the DMI MADI RJ45, allowing connectivity to be extended further.
What sectors and applications is the second-hand DiGiCo S21 typically found in?
Used S21 consoles appear across concert touring, studio work, corporate events, education, and festival production. Its combination of Flexi channel architecture, onboard dynamic processing, and configurable outputs makes it applicable wherever a compact but capable digital console is needed, and its intuitive interface is noted as a practical consideration for operators moving between different venues or roles.
What should I check when buying a used DiGiCo S21?
Check the channel count and output configuration against your requirements, and confirm whether an expansion card such as a DMI MADI RJ45 is included, as this varies between units. Inspect the physical condition of XLR connectors and the control surface. A flight case is included with some listings and adds meaningful protection for touring use. Every listing on 10K Used carries a 21-day warranty covering major functional faults; full detail is in the buying guide at 10kused.com/used-av-equipment-guide/.
