Voice Amplifier With Microphone Wired For Classroom, Meetings Teaching
Product Description
1. [Clear sound] using 80mm large diameter composite tweeter crystal magnetic speaker, while equipped with carbon atom lattice graphene diaphragm, greatly restore the true human voice
2. [Clear no whistling] equipped with IC / CVC dual technology, through the acoustic expert tuning three tone ratio combined with the principle of frequency shift, greatly reducing the whistling frequency
3. [Lithium-ion battery] long-lasting battery life, according to the teacher's frequency of use of 2 classes per day to calculate the normal circumstances of full power can be used for about 2 weeks.
4. [Voice loop broadcasting] plug in the memory card / U disk can open the loop playback of the lesson preparation recording loop playback, the use of a more worrying
5.[Multi-scenario applicable] suitable for teaching/guide/promotion/party, etc.
Number of speakers: 2
Output power: 8w
Battery capacity: 2200mAh
Signal-to-noise ratio: ≥75dB
Frequency response range: 100HZ-20KHZ
Sound channel: mono
Effective distance: 15 meters
1 * amplifier
1 * microphone
1 * charging cable
1 * lanyard
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Delivery details
1) We only ship to confirmed PayPal addresses.
2） Economy Shipping, with no tracking number.
Standard Shipping, with tracking number.
Express (Expedited) Shipping, with tracking number.
3) Economy shipping needs 2-5 weeks to arrive mostly.
In rare case, it can take up to 6-8 weeks.
It depends on your location and local postal service, as well as the weather condition along the shipping.
4)If you need a faster delivery time, you could choose
Express (Expedited) Shipping.
If you need a tracking number, you could choose Standard Shipping.
1)We offer 60 day money back or replacement guarantee.
In addition, it allows customers to return new and unused products in their original factory condition for any reason within 60 days from the date of purchase.
2)Although we test each item and they are packed professionally, few item(less than 0.1%) might be damaged during the shipping. Please feel free to contact us within 4 days after you receive your package about replacement.
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On Jan 12, 2024 at 23:52:15 PST, seller added the following information: