Sennheiser AC 3200-II active 8-channel transmitter combiner Sennheiser

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The Sennheiser AC 3200-II is an active 8-channel transmitter combiner for professional wireless in-ear monitoring. It combines RF signals from up to eight Sennheiser transmitters onto one antenna output. Across 500–870 MHz, it handles up to 100 mW per input and provides 0 dB (±1 dB) distribution attenuation while suppressing intermodulation products. Front-panel LEDs make it easy to check each input. It is designed for multichannel stage systems and studio installations with talkback.

Sennheiser · Active Transmitter Combiner

Up to eight transmitters. One antenna.

Combine the RF signals from up to eight wireless IEM transmitters into a single antenna output. A nominal distribution loss of 0 dB and intermodulation product suppression help keep the multi-channel RF setup organized.

Common Antenna Output

Eight RF inputs allow you to set up a multi-channel transmitter system with a single suitable antenna.

Quick Overview of Inputs

Front-panel LEDs indicate the status of individual channels and help verify the connection.

For IEMs and Talkback

Suitable for multi-channel stage monitoring systems as well as studio installations with talkback.

• 1× Sennheiser AC 3200-II transmitter combiner
• NT 12-125D power supply
• 3× power cords (EU, UK, and US)
• 4× self-adhesive device feet
• User manual

• Frequency range: 500–870 MHz
• RF input power: max. 100 mW
• Input protection: max. 250 mW
• Distribution attenuation: 0 dB (±1 dB)
• Impedance: 50 Ω
• Power supply: 12 V DC
• Current draw: max. 7.5 A
• Power consumption: max. 90 W
• Operating temperature: −10 to +45 °C
• Dimensions (L × W × H): 436 × 215 × 44 mm
• Weight: approximately 4 kg