Shure PA421BX 4-Channel Antenna Combiner for PSM Wireless In-Ear Monitor Systems (865-960MHz)

Shure PA421B Antenna Combiners are complementary accessories for Shure PSM® Personal Stereo Monitor systems. When multiple systems are required for monitoring applications, the PA421B combiners quietly and efficiently optimize RF management for up to four PSM® transmitter, while also reducing rack clutter. (Directly replaces PA421A.)

Included Accessories:

• IEC Power Cord
• (4) 2 ft. DC power output cables
• (4) 22 in. coaxial cables, BNC terminated
• (1) 11 in. coaxial cable, BNC terminated

Shure PA421BX Features:

• Combines up to four PSM® transmitters to a single antenna set
  • Improved intermodulation artifacts for cleaner RF environment
  • Reduces rack clutter
• Wideband operation (470-865 MHz or 865-960 MHz)
• Daisy-chain up to 2 combiners with the expansion port
• Provides DC power to compatible IEM transmitters
• LED indications of signal presence, signal overload and current draw
• Improved fan design significantly improves thermal efficiency and ambient noise
• Optional modification to enable combining of microphone receiver antennas (contact Shure Service Department for more details)
  • Provides +15V bias on RF inputs to power antennas
  • Requires modification of unit by qualified service technician

Shure PA421BX Specifications:

• RF Frequency Range: 865-960 MHz
• Impedance: 50 Ohm
• Operating Temperature Range: -18 °C (0 °F) to 63 °C(145 °F)
• Power Requirements: 100 to 240 V AC, 50-60 Hz
• Current Drain: 1.09 A (referenced at 100 V AC) (109VA)
• Power Consumption: 98 W max.