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The Lectrosonics DSR4 is a lightweight quad-channel digital slot receiver engineered for mobile sound production, sports video, reality TV, and anywhere a wireless system must provide mission-critical signal stability and clear, transparent 24-bit / 48 kHz sound. It is compatible with the company s mono digital transmitters (DBSM, DBu, DHu, DPR, DPR-A) and stereo digital transmitters (DCHT, M2T), and backward-compatible with any Digital Hybrid Wireless transmitter.
Lectrosonics DSR4 Specs
| Wireless Technology | Digital UHF |
| Diversity | Antenna Phase Switching, Vector Diversity |
| RF Frequency Band | 470.1 to 614.375 MHz |
| RF Bandwidth | 144 MHz |
| Frequency Step Size | 25 kHz |
| RF Channel Scanning | Auto-Scan |
| Mobile App Compatible | No *As of January, 2023: Check with manufacturer for the most up-to-date compatibility |
| Latency | 1.4 to 2.9 ms |
| SNR | ‰¤113 dB |
| THD | <0.2 % |
Receiver
| Receiver Type | Slot-Mount (Bag Suitable) |
| Mounting Options | Slot-Mount (with Optional Hardware) |
| Antenna | 2 x Flexible Whip, SMA (Top-Mount) |
| Number of Audio Channels | 4 |
| Audio I/O | 1 x TA5/Mini XLR 5-Pin Male Balanced Mic/Line Output |
| Slot-Mount I/O Adapters | Available Separately: DB-25 (Uni/SuperSlot), DE-15/DB-15 (Sony Type), TA5/Mini XLR |
| Frequency Response | 25 Hz to 20 kHz |
| Network I/O | None |
| Word Clock I/O | None |
| USB/Lightning Connectivity | Micro-USB Female (Firmware Update) |
| Standalone Audio Interface Capable | No |
| Impedance | Antenna: 50 Ohms |
| Approximate RF Sensitivity | -108 dBm / 0.9 µV |
| Adjacent Channel Isolation | >60 dB |
| Spurious | Rejection: 85 dB |
| Power Requirements | DC Input |
| DC Input Power | 9 to 17 VDC at 170mA |
| Display & Indicators | 1 x Backlit LCD (AF Level, Menu Navigation, RF Level, Transmitter Battery Status) |
| Housing | Aluminum |
| Dimensions | 3.2 x 1.2 x 5.5" / 8.1 x 3 x 14 cm |
| Weight | 14.4 oz / 408 g (without Mounting Hardware) |
Packaging Info
| Package Weight | 1.07 lb |
| Box Dimensions (LxWxH) | 9.8 x 8.3 x 2.9" |
In the Box
- Lectrosonics DSR4 Four-Channel Digital Slot Receiver (A1B1: 470 to 614 MHz)
- 2 x AMJ-19 Jointed SMA Antenna
- 2 x AMJ-22 Jointed SMA Antenna
- 2-Year Manufacturer Warranty
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