The Concert 288m Dual-Channel Presentation System offers premium sound and flawless wireless performance for situations where two microphones are needed. Ideal for business presentations, house of worship, question & answer sessions, educational events, karaoke and live performances.Concert 288m combines professional-grade audio and extreme ease-of-use. One-touch channel scanning automatically selects the clearest of 100 frequencies across a 24MHz bandwidth for interference-free use in your performance space. Tone-key and auto-mute technology eliminates undesired noise when the transmitter is out of range or powered off. The Concert 288m allows for up to four systems to operate simultaneously per frequency band (region dependent). Small and light enough to fit into any carry bag, the AR299m tabletop receiver puts an emphasis on versatility and functionality while remaining a fraction the size of other receivers. The true diversity design provides flawless reception and a 300’ wireless range for both transmitters. Setup is a breeze with dual balanced XLR as well 1/4” and 1/8” mix outputs to ensure straightforward connection with mixers and PA systems. The Concert 288m Presentation System includes two CB88 beltpack transmitters that provide up to 8 hours of continuous use with two AA batteries. The system comes with two LM7 unidirectional lavalier microphones and two HS5 headset microphones. This gives users the choice to use whatever microphone best fits their situation. Each microphone features locking connectors for a secure and stable connection and are engineered to capture every detail of your performance with stunning professional-quality audio.