DH-744 MAX Professional Wireless Microphone High VHF Dual Channel Microphone - Black,Silver
Professional wireless system with 2 microphones. Ideal for professional use at any events: Karaoke, sound source recording and amplifying, vocal concerts, live-performances, conference, musical and opera, church, school, hall, family, party, etc. Specification: Receiver:Receiving system: fixed frequency by quartz controlled Receiving sensitivity:60dB S/N ratio S/N ratio: >100dB Audio output level: Unbalanced mode of CHA+B: 0 ~ 0.5V/5KΩ Unbalanced mode of CHA and CHB: 0 ~ 0.5V/50KΩ Power supply: AC 110V / 220V (±10%) Microphone: RF power output:15mW(MAX) Spurious emissions: Over 45dB carrier ware Microphone element: Unidirectional dynamic microphone Battery: Standard 9V battery AA Current consumption: About 25mA Battery life: Over 8 hours continuous operation Weight: 227g.
Key Features
- Two wireless Handheld Microphones with balanced output.
- Multi-channel high band anti-interrupting wave;thereby eliminating interference successfully.
- PLL-synthesized fixed, working separately even if used even at the same time.
- Companding design to expand effective range.
- Eliminates feed-backs and noise and mostly reduces chance of interference.
- Perfect performance gear for church,musical concerts and many more.
- Operating Distance: 100 meters
- Frequency range: VHF170-270MHz
- Frequency stability: ± 30ppm
- Dynamic Range:> 90dB
- Harmonic Distortion: 0.8%
- Frequency response: 40Hz-15Hz ± 3dB
- Audio Output: Balanced: 400mV; Hybrid: 400mV
