Previous
Next
DSPPA D7821 True Diversity UHF Wireless Microphone System (2 Handheld)
DSPPA D7821 True Diversity UHF Wireless Microphone System (2 Handheld) is a Microphone product. Review its technical specifications and product data to select the right solution from Do Link Egypt.
The DSPPA D7821 is a dual-channel true diversity UHF wireless microphone system with two handheld microphones, 610–690 MHz, 200 channels, up to 150 m range and ≥105 dB S/N, for conferences, events and live performances.
- Dual-channel true diversity receiver with PLL frequency control for stable reception
- Transmission range up to 150 m (open area)
- UHF 610–690 MHz, 200 channels with 300 kHz spacing
- Signal-to-noise ratio ≥105 dB, frequency response 45 Hz–16 kHz
- About 7 hours on 2 AA batteries per microphone, IR frequency sync
General
| Model | D7821 |
|---|
Key Features
- Dual-channel true diversity receiver with PLL frequency control for stable reception
- Transmission range up to 150 m (open area)
- UHF 610–690 MHz, 200 channels with 300 kHz spacing
- Signal-to-noise ratio ≥105 dB, frequency response 45 Hz–16 kHz
- About 7 hours on 2 AA batteries per microphone, IR frequency sync
- XLR balanced outputs per channel and 6.3 mm mixed output
Best Fit Applications
Conference rooms, halls, mosques, schools, events and live performances.
Technical Specifications
| Brand | DSPPA |
|---|---|
| Model | D7821 |
| Type | True Diversity UHF Wireless Microphone System (2 Handheld) |
| Channels | Dual channel (2 handheld microphones) |
| Frequency range | UHF 610–690 MHz |
| Frequency control | PLL, stability ±0.005% |
| RF channels | 200 channels, 300 kHz spacing |
| Range | Up to 150 m (open area) |
| Receiver sensitivity | -98 dBm |
| Frequency response | 45 Hz – 16 kHz (±3 dB) |
| S/N ratio | ≥105 dB (1 kHz, A-weighted) |
| THD | ≤0.5% |
| Outputs | XLR balanced per channel, 6.3 mm unbalanced mixed output (max +10 dB) |
| Microphone | Handheld, dynamic cardioid capsule, wideband FM, <10 mW, built-in antenna |
| Microphone power | 2 × AA batteries, about 7 hours |
| Receiver power | DC 12 V / 1 A adapter |
| Display | LCD: RF and AF levels, frequency, group and channel |
| Operating temperature | -10 °C to +50 °C |
Frequently bought together
Products that complete the same system
Need help choosing?
Want to learn more?
Talk to a Do Link specialist for sizing, integration and on-site support.