Shure PA821BX 8-Channel Antenna Combiner: Streamline Your PSM Wireless Systems!
Are you tired of dealing with the complexities of multiple PSM systems at a venue? Look no further! The PA821B active broadband antenna combiner is here to revolutionize your setup. • Combines up to eight PSM transmitters into one RF output for a single transmit antenna, improving reception quality like never before. • Compatible with Shure PSM 300, PSM 900, and PSM 1000 wireless personal monitors. • Wideband operation (470-865 MHz) for maximum flexibility.
Features:
- • Combines up to eight PSM transmitters to a single antenna set for improved RF networking & reduced rack clutter - Say goodbye to a messy setup!
- • Wideband operation (470-865 MHz) - Work seamlessly across a range of frequencies.
- • Quieter fan for significant reductions in ambient unit noise - Ideal for installation work and a peaceful environment.
- • Temperature-sensitive fan power for significant reductions in ambient unit heat - Keep your equipment cool.
- • 8 Input LED Signals (green when active; off when inactive) - Easy to monitor signal activity.
- • LED indications of signal presence, signal overload - Stay in control at all times.
Specifications:
- RF Frequency Range:
- Impedance: 50 Ω
- Operating Temperature Range: 18 °C (0 °F) to 63 °C (145 °F)
- Power Requirements: 100 to 240 V AC, 50-60 Hz
- Current Drain: 1.59 A (referenced at 100 V AC) (159 VA)
- Power Consumption: 143 W max.
- RF Input:
- Connector Type: BNC
- Configuration: Active
- Impedance: 50 Ω
- RF Gain: 0 dB (±2 dB)
- LED Indicator Min. Detection Threshold: 2.5 dBm
- LED Indicator Overload Threshold: >24 dBm
- Main Output:
- Connector Type: BNC
- Impedance: 50 Ω
- Expansion Port:
- Connector Type: BNC
- Configuration: Passive
- Impedance: 50 Ω
- Insertion Loss:
- RF Expansion Port Normal Operating Range: 33 dBm (2 W)

The Shure PA821BX 8-Channel Antenna Combiner is designed for event organizers, venues, and professionals dealing with PSM wireless systems. It simplifies the setup by combining up to eight PSM transmitters into one RF output for a single transmit antenna. This improves reception quality, reduces clutter, and works seamlessly across a range of frequencies (470-865 MHz). It's easy to install and operate, with features like a quieter fan, temperature-sensitive fan power, and LED signal indicators. Technical specs include an RF frequency range of 865-960 MHz for the PA821BX, 50 Ω impedance, operating temperature range of 18 °C (0 °F) to 63 °C (145 °F), power requirements of 100 to 240 V AC, 50-60 Hz, and more.