Multifunctional Portable Amplifier 8W 2200mAh Voice Amplifier Personal Voice Speaker ,True Acoustic Power Amplifier

<p>Note: The product does not come with a memory card, please purchase a memory card if needed. Maximum support expansion 32G memory card.</p><p></p><p>Specifications:</p><p>Number of speakers: 2</p><p>Output power: 8w</p><p>Battery capacity: 2200mAh</p><p>Signal to noise ratio: 75dB</p><p>Frequency response range: 100HZ-20KHZ</p><p>Channel: Mono</p><p>Effective distance: 20 meters</p><p>Packaging list:</p><p>Speaker*1</p><p>Microphone*1</p><p>Charging cable*1</p><p>Hanging rope*1</p><p>Related Products:voice amplifier,megaphone,speaker with microphone,voice amplifier for teachers,bullhorn megaphone,voice amplifier wireless microphone,portable pa system,teacher microphone for classroom</p>

• 1. [Clear sound] Adopting 80mm large diameter composite high pitched crystal magnetic horn, equipped with carbon atom lattice graphene diaphragm, it greatly restores the real human voice.
• 2. [Clear and no howling] Equipped with IC/CVC dual technology, the three tone ratio is adjusted by acoustic experts combined with frequency shift principle, significantly reducing the howling frequency.
• 3. [Lithium battery] 2200mAh Long lasting battery life, calculated based on the teacher's usage frequency of 2 classes per day, it can be used for about 2 weeks when fully charged under normal circumstances.
• 4. [Voice looping playback] Insert a memory card/USB drive to start looping playback of lesson preparation recordings, making it easier to use.
• 5. [Suitable for multiple scenarios] Suitable for teaching, tour guides, promotions, gatherings, etc