Connecting the mains unit

The combiner is powered via the NT 3 mains unit. To switch the combiner on, press the on/off switch (POWER). The red LED lights up, indicating the the unit is ready for operation.

￿ Pass the cable through the cable grip .

￿Insert the DC connector on the power supply cable into the DC input .

Note:

As soon as the combiner is switched on, the built-in fan starts producing a clearly audible operating sound and ensures proper cooling of the unit.

Make sure that the air vents of the unit are not covered or blocked.

If problems occur ...

The combiner does not transmit a signal

￿Check the connections of the NT 3 mains unit.

Disturbed RF transmission

￿Make sure that the antenna is connected correctly. Use low-loss RF cables which are as short as possible.

If problems occur that are not listed above or if the problems cannot be solved with the proposed solutions, please contact your local Sennheiser agent for assistance.

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Sennheiser AC2 manual If problems occur, Connecting the mains unit, Combiner does not transmit a signal

AC2 specifications

The Sennheiser AC2 is a cutting-edge audio communication solution designed for professionals seeking high-quality audio performance and versatility. This model stands out in the realm of wireless audio systems, featuring advanced technology and a robust design that caters to various applications, including broadcasting, live events, and personal use.

One of the main features of the Sennheiser AC2 is its dual-channel operation, which allows users to receive two audio signals simultaneously. This is particularly beneficial in scenarios where multiple audio sources need to be monitored or recorded simultaneously. The ability to switch seamlessly between channels enhances usability, making it a preferred choice for professionals.

The technology behind the AC2 is rooted in Sennheiser's renowned wireless transmission systems. It employs digital wireless technology that ensures crystal-clear audio with minimal latency. This is achieved through advanced frequency management that optimizes signal integrity and resistance to interference, a critical aspect in environments filled with competing wireless signals. The AC2 also boasts a wide frequency range, ensuring that users can capture a broad spectrum of audio without sacrificing quality.

In terms of design, the Sennheiser AC2 is built for durability and ease of use. Its lightweight chassis makes it comfortable for extended wear, while the intuitive control layout allows users to make quick adjustments even in high-pressure situations. Furthermore, the device is equipped with an ergonomic earpiece, which provides comfort during prolonged use without compromising audio fidelity.

The AC2 is compatible with various accessories and microphones, which enhances its versatility across different audio environments. This adaptability makes it suitable for both on-stage performances and studio recordings.

Additionally, Sennheiser places a strong emphasis on battery life and efficiency. The AC2 includes a rechargeable battery system that provides extended operation time, crucial for long events or shoots. Taken together, these features and technologies make the Sennheiser AC2 an excellent investment for professionals seeking a reliable wireless audio solution that combines quality, flexibility, and ease of use. Whether for live production or studio work, the AC2 ensures that users achieve the best possible audio experience.