SDR-1900 IrDAUHF 19" Dual-Channel 2-Way Sync Diversity Receiver
-
-
Auto-Scanning and Quick Channel Synchronization
The SDR-1900 is equipped with advanced auto-scan functionality, allowing it to quickly search and lock onto interference-free channels, ensuring stable performance. The patented IrDA® synchronization technology makes channel syncing fast and straightforward with just one touch, achieving bi-directional rapid channel synchronization. This feature is especially beneficial in multi-device environments such as school classrooms, corporate meetings, and lecture halls, ensuring every voice is transmitted clearly.
-
High Sensitivity Reception for Versatile Applications
The SDR-1900 IrDA utilizes automatic signal selection technology, providing exceptional performance and stability. With options for handheld and bodypack wireless microphones, it can flexibly meet various application needs. The exclusive audio code and noise detection squelch circuit effectively prevent noise interference and significantly improve reception distance. Whether in business meetings, school classrooms, lectures, or artistic performances, this receiver delivers clear sound and stable audio transmission even in complex environments, ensuring high-quality audio experiences in any scenario.
-
Diverse Audio Outputs and Clear Display
The SDR-1900 IrDA offers balanced (XLR) and unbalanced (Ø6.3mm) audio outputs to accommodate different audio equipment and application scenarios. The receiver's clear LED indicators allow monitoring of antenna signal strength and audio output status. Whether in educational training, business meetings, or public broadcasting systems, the SDR-1900 provides clear and powerful audio output. This diverse output design ensures wide compatibility and flexible application, enhancing user convenience. -
Advanced Interference Resistance technology and Stable Transmission
The SDR-1900 IrDA employs advanced digital audio processing technology, effectively resisting environmental noise and frequency interference to maintain clear and pure sound quality, ensuring stable audio transmission. Its efficient RF design enables stable signal transmission, making it an ideal choice for various events and venue applications. Whether in conferences, weddings, or educational activities, it provides reliable audio coverage. These features make the SDR-1900 IrDA the preferred device for high-demand environments.
-
Features
- Auto Scan quickly searches for an interference-free working channel.
- World-first patented IrDA® technology provides rapid 2-way channel sync with one click.
- Pilotone, noise-detector and squelch circuits prevent noise, interference and improve operation distance.
- Adjustable SQ. Increases receiver range with higher sensitivity and reduces interference with lower sensitivity.
- Convenient gain/volume control(s) and switchable MIC-LINE output level.
- Single channel audio output jacks: balanced XLR.
- Mixed audio output jack: unbalanced 6.3mm.
| Model | SDR-1900 IrDA |
| Chassis | EIA standard 19" metal 1U |
| Receiving mode | Diversity |
| Frequency range | UHF 500 - 960 MHz |
| Bandwidth | 25 MHz |
| Channel | Dual |
| Preset frequencies | 100 |
| Channel sync | 2-way (RX ⇔ TX) |
| Frequency response | 50 Hz - 18 KHz |
| Peak deviation | ± 40 KHz |
| Sensitivity | S/N > 80 dBm at 10 dBμV |
| S/N ratio | > 110 dB(A) |
| T.H.D. | < 0.5% @ 1 KHz |
| Receiving antenna | Detachable at rear-end, TNC female. |
| Oscillation | PLL synthesized, frequency stability ± 0.005% (-10 - +60°C) |
| Squelch | Pilotone & Noise-cancelling dual-squelch circuit |
| Audio connector | Balanced XLR and unbalanced Ø6.3mm |
| Audio Output Adjustment | Volume knob for adjustment of output volume |
| Output level switch | MIC-LINE |
| Power supply | 12V DC / 1.0A |
| Dimensions (mm) | 420 × 205 × 44 |
| Weight (kg) | 1.6 |
