【Dual Transmitters Mode】EXMAX EXD-6824 wireless audio tour guide system allows two transmitters talking to hundreds of receivers simultaneously in same group.2.4GHz frequency with 9999 selectable channels,allowing hundreds of tour groups to work simultaneously so long as each group uses unique Channel ID. Transmission range could be up to 100 meters/333 ft.Rechargeable built-in lithium battery,transmitter( 900mAh )/ receiver(380mAh ),both could work for more than 23 hours on one full charge.

【Varied Applications】Digital Audio Signal Transmission,One transmitter can work with hundreds of receivers in same group.Longer distance with high confidentiality,stronger anti-interference ability, stable and clear audio quality widely used for church translation,simultaneous interpretation,seminars asstive listening,exhibitions,art galleries, learning, audio tour guide, special job training.The transmitter has MIC input for microphone and AUX input for external audio as MP3/CD/Smartphone.

【Easy Operation】Turn Transmitter into Syncing mode, put receivers close to transmitter and turn on receivers, receivers channel ID will sync to transmitter's automatically.Transmitter has mute function.If interpreter does not want audience to hear his speech, just press the mute button and audience will hear nothing.Small, light and portable,each little device comes with single charger.0.15lb weight for the transmitter & 0.04lb for each receiver;convenient for audience to wear on the ear.

✤【 Audio Transmission Tour Guide System】In each group, transmitter and receivers should be set on the same frequency Channel ID,for example, Group A: transmitter A is set on Channel ID 05, so receivers A should be set on Channel ID 05 accordingly.But different groups should use different frequency Channel ID, so they will not interfere with each other when work simultaneously.Widely applied for teaching,training,museum city tour,exhibition/conference, simultaneous interpretation.

✤【WORRY-FREE AFTER-SALES】EXMAX offers 2-year warranty. We are full of confidence in the quality,We protect your purchase with an 24-month replacement warranty, 100% satisfaction assured and lifetime customer support. If you have any question with our wireless tour guide equipment, please click Sold by "EXMAX" and "Ask a question",then leave a message to us. Your problems and suggestions is the key for us to improve.Thank you for choosing EXMAX products! EXMAX provide 24/7 online services.