The Studiomaster W4U-RH4 is a 4-channel digital wireless system designed for professional sound reinforcement applications including mobile performances, auditorium sound reinforcement, speeches, conferences, education and training, religious venues, and government meetings. The system includes one 4-channel receiver and four handheld transmitters, allowing all 4 channels to be used simultaneously. Suitable for a wide variety of entertainment and professional audio environments.
- 4-channel digital wireless receiver
- Includes 4 handheld transmitters
- All 4 channels usable simultaneously
- Ideal for live performance, conferences, education, and houses of worship
Technical Specifications
| Frequency Response |
20Hz - 20KHz (+1dB) |
| Carrier Wave Frequency Band |
UHF 520-580MHz / 610-690MHz / 707-757MHz |
| Bandwidth |
40MHz - 80MHz |
| Number of Channels |
400 |
| Frequency Sync |
One button IR frequency sync |
| Modulation Type |
FM (Frequency Modulation) |
| Pilot Frequency |
30.27KHz |
| RF Sensitivity |
<-99dBm |
| Image Suppression |
>80dB |
| Frequency Stability |
±0.005% (-10°C to 60°C) |
| Dynamic Range |
90dB |
| Maximum Frequency Deviation |
±45KHz |
| Signal-to-Noise Ratio |
>85dB (A-weighted) |
| Total Harmonic Distortion |
<0.5% @ 1KHz |
| Audio Output |
Balanced XLR: +5dBV / Unbalanced TS 6.35mm: +5dBV |
| Audio Output Impedance |
Balanced XLR: 6.6kΩ / Unbalanced: 440Ω |
| Volume Control |
30-level electronic volume control |
| Display |
1.77" TFT color full view display |
| Control Interface |
RS485 |
| Power Supply |
12V DC, 2000mA max |
| Power Consumption |
10W (4-channel) |
| Working Temperature |
-10°C to 60°C |
| Working Range |
Up to 80m (environment dependent) |
| Package Size |
520 x 350 x 170mm |
| Transmitter Type |
Handheld microphone transmitter |
