MIPRO ACT-311B Single-Channel Diversity UHF Receiver

The MIPRO ACT-311B is a professional single-channel diversity UHF receiver designed for reliable wireless audio transmission in live sound, broadcast, and installed sound applications. Featuring PLL synthesized tuning and ACT (Automatic Channel Targeting) sync, it offers 16 preset compatible channels per band with easy frequency setup. The receiver is housed in a rugged EIA standard 1/2U metal rackmount chassis, making it ideal for portable and fixed installations.

Advantages

True diversity reception minimizes dropouts and interference, ensuring stable audio performance. The backlit LCD display provides clear status information, while dual-squelch (NoiseLock) circuitry effectively reduces background noise. Detachable BNC antennas allow for flexible placement or use of external antennas.

Suitable for

• Live performances and concerts
• Conference and presentation systems
• Broadcast and recording studios
• House of worship and educational facilities

Key specifications

• Receiver Type: Single-channel Diversity
• Frequency Range: UHF (various bands available, e.g., 6A: 614-638 MHz)
• Oscillation Mode: PLL Synthesized
• Preset Channels: 16 per band
• Frequency Setup: ACT Sync
• Antenna Type: Detachable BNC
• Audio Outputs: 1x Balanced XLR, 1x Unbalanced 6.3mm Jack
• Display: Backlit LCD
• Housing: EIA Standard 1/2U Metal Rackmount
• Frequency Response: 50 Hz - 18 kHz
• S/N Ratio: >106 dB(A)
• THD: <0.5% @ 1 kHz
• Sensitivity: 10 dBµV at S/N > 75 dB
• Squelch: Dual-squelch (NoiseLock)
• Power Supply: 12-15V DC, 1A (external adapter)
• Operating Temperature: -10 to +60 °C

Recommendations

For optimal performance, pair the ACT-311B with MIPRO ACT series handheld or bodypack transmitters. Use high-quality BNC antennas and ensure proper antenna placement for maximum range.