Shidu SD-S512 voice amplifier for tour guides

Boost your sound presence with the new Shidu SD-S512 voice amplifier for tour guides.

Amplify your voice and do not let it be drowned out, even in noisy surroundings. This amplifier delivers clear sound even at maximum volume, making it ideal for outdoor use!
This reliable device is both handy and easy to use, which makes it indispensable in any situation.
In addition, the built-in rechargeable battery provides a long service life, eliminating the need for frequent battery replacement.
It also features voice recording to a Micro-SD card or USB drive, which makes it ideal for both presentations and entertainment.

Specifications:

Output power: 18 W.
Charging voltage: DC 9 V, 650 A.
Lithium battery: 7.4 V 2200 mA.
Operating time: 6 ~ 10 hours (music mode); 12 ~ 18 hours (microphone mode).
Charging time: 3 ~ 5 hours.
Product size: 3.86 * 3.46 * 1.77 inches (98 * 88 * 43 mm).
Weight: 0.49 lb (221 g).
Available colors: pink, Himmelblau, black.
Operating temperature: -10 ℃ ~ 45 ℃.
Frequency response: 90 Hz ~ 18 kHz.
Sound coverage: 21527 sq.ft (2000㎡).
Product condition: used, fully functional.

The kit includes:

1 x Shidu SD-S512 voice amplifier for tour guides.
The product is used, but working and ready to use.
The item has been thoroughly checked and tested, ensuring quality practically like new.
No original packaging or instruction manual.