ALPHA WORKS D2
Karaoke is better in your own way!
• Sleek and attractive streamlined design.
• Convenient 6.3mm audio output jack with adjustable angles for
easy plug-and-play.
• One-touch frequency scanning and synchronization for quick
setup.
• Operates in the interference-free ultra-high frequency range for
stable transmission.
• Up to 100 selectable frequency points for multiple system use.
• High-performance wireless audio processing chip for
low-distortion sound.
• Wideband Extended Dynamic Range technology for effortless
singing and optimal performance.
• Mic Echo and music volume adjustment functions.
• Mic first function for ducking background music.
• Built-in battery management for prolonged battery life.
• Versatile connectivity options for various music sources.
• Ideal for outdoor singing, teaching presentations, and home
entertainment.
Wireless Microphone Alpha Works D2
| Microphone | Receiver | |
| Frequency bands | 640-690 MHz | 640-690 MHz |
| Frequency bandwidth | 25 MHz | 25 MHz |
| Modulation | FM | FM |
| Frequency response | 50-15kHz | 50-15kHz |
| T.H.D@ 1kHz | typ. <0.5% | typ. <0.5% |
| Signal-to-noise ratio | typ. 100dB(A) | typ. 100dB(A) |
| Transmit power | 10mW, 5mW | - |
| Power supply voltage | 2x1.5V (AA) | 3.7V/800mA |
| Operating time | >8hr | - |
| Operating range | ≈ 15 meters | - |
| Audio output | - | 6.35mm |


