

SONODYNE SC 2311
PRICE ON ENQUIRY
SONODYNE SC 2311 stereo mixer preamplifier: 3 balanced mic inputs, 2 stereo line inputs, alarm input and MIC 1 priority. Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
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Specifications
| Description | Professional stereo mixer preamplifier |
| Mic inputs | 3, fully balanced, XLR |
| Line inputs | AUX 1 balanced stereo (TRS); AUX 2 and ALARM unbalanced stereo (RCA) |
| Outputs | 1 unbalanced stereo line (RCA); 1 balanced stereo line (TRS) |
| Frequency response | 10 Hz - 20 kHz, ±3 dB |
| Input sensitivity | AUX 1 140 mV; AUX 2 130 mV; ALARM 180 mV; mic 2 mV |
| Input impedance | AUX 1 44 kΩ (balanced); AUX 2 47 kΩ; ALARM 10 kΩ; mic 1 kΩ (balanced) |
| Crosstalk | Better than 65 dB (1 kHz) |
| Channel separation | 55 dB (1 kHz) |
| Signal to noise ratio | Better than 85 dB |
| THD | 0.02 % at 1 kHz |
| Bass | ±10 dB at 100 Hz |
| Treble | ±10 dB at 10 kHz |
General
| Power requirement | 230 V AC, 50 Hz |
| Power consumption | 15 VA max |
| Dimensions (W x H x D) | 182 x 44 x 192 mm |
| Net weight | 2.5 kg |
| Warranty | 2 years |
Product overview
The SONODYNE SC 2311 is a professional stereo mixer preamplifier for installed sound, with 3 balanced mic inputs, 2 stereo line inputs and a priority alarm input.
SONODYNE built the SC 2311 from its years of experience in installed sound. It works as a line mixer with priority allocations and overrides, and as a preamplifier that feeds low noise, low distortion signals to power or booster amplifiers. A rear panel switch gives MIC 1 priority over all channels except ALARM.
| Mic + stereo line inputs | 3 + 3 |
| Frequency response (±3 dB) | 10 Hz - 20 kHz |
| Signal to noise ratio | > 85 dB |
| THD at 1 kHz | 0.02 % |
Inputs and outputs
- 3 mic inputs, fully balanced, on XLR sockets
- 1 balanced stereo line input on TRS (AUX 1)
- 2 unbalanced stereo line inputs on RCA: AUX 2 (L and R) and ALARM (L and R)
- 1 balanced stereo line output on TRS and 1 unbalanced stereo line output on RCA
Controls
Master volume, balance, bass (±10 dB at 100 Hz), treble (±10 dB at 10 kHz), mic / line MIX control, individual mic level controls, selector switches for AUX 1 and AUX 2, a STEREO / MONO mode switch, a power switch and a rear panel priority switch.
Compatible with
Power and booster amplifiers with balanced (TRS) or unbalanced (RCA) line inputs.
In the box
- SC 2311 stereo mixer preamplifier
SONODYNE SC 2311: frequently asked questions
What does the priority switch do?
The rear panel priority control switch gives MIC 1 priority over all channels except ALARM.
Where can I buy the SONODYNE SC 2311 in India?
The SONODYNE SC 2311 is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.
Workflow 1: Announcements over background music
Installations where a microphone must override the music.
Connections
| Connect | To |
|---|---|
| Paging microphone | MIC 1 (XLR) |
| Music source | AUX 1 (TRS) or AUX 2 (RCA) |
| TRS line output | Power or booster amplifier input |
Setup
- Connect the microphone to MIC 1 and the music source to AUX 1 or AUX 2.
- Switch on the rear priority switch so MIC 1 has priority over all channels except ALARM.
- Connect the balanced TRS output to the amplifier and set the master volume.
Tip: The ALARM input keeps priority over MIC 1.
Workflow 2: Small installed sound mixer
Conference rooms and halls with a few microphones and a music source.
Connections
| Connect | To |
|---|---|
| Microphones | MIC 1‑3 (XLR) |
| Stereo source | AUX 1 or AUX 2 |
| RCA or TRS output | Amplifier |
Setup
- Connect up to three microphones.
- Set individual mic levels and the mic / line MIX control.
- Shape the sound with bass and treble and choose STEREO or MONO.
Tip: Bass and treble each give ±10 dB.








