








Product description
SHIDU 35W Voice Amplifier 







Voice Amplifier for Teachers
SHIDU 35W wireless voice amplifier is paired with a 2.4G lavalier microphone, which has more advanced sound sensitivity and stronger sound, stable connection and no noise.
Portable voice amplifier
The portable microphone and speaker are small in size and stable in performance. They are perfect for amplifying your voice and protecting your throat.
Bluetooth Microphone with Speaker
Press “M” to activate Bluetooth mode, and use your mobile phone or computer to connect to the M500 via Bluetooth, turn on the music listening mode, and enjoy leisure time with friends.
Wireless Voice Amplifier
Please keep the speaker and mic for a distance and facing away each other to avoid the signal affected. They can be applied to teaching, training, coaching, tour guides, speeches, yoga etc.
Long Battery Life
Voice amplifier for teachers has a built-in 3100mAh rechargeable battery, which only takes 2-4 hours to charge on a single charge, providing up to 16.5+ hours of continuous use.

What is the output power?
The output power is 35W, and the effective coverage is about 22,604 square feet (2100㎡)
Will there be distortion?
With Ai noise reduction technology, the sound is clear and not distorted.
Does it support Bluetooth connection?
Yes, it supports Bluetooth 5.3 and can be connected to a mobile phone to play music.
Who is it suitable for?
It is suitable for teachers, tour guides, trainers, speakers, the elderly, people with low voices or those who need to speak for a long time.
SHIDU Voice Amplifier
Add to Cart
Add to Cart
Add to Cart
Customer Reviews
4.4 out of 5 stars 110
4.1 out of 5 stars 20
4.3 out of 5 stars 72
4.9 out of 5 stars 16
3.8 out of 5 stars 24
Price
$69.99$69.99
—
$99.99$99.99
—
$79.99$79.99
Battery
3100mAh
4000mAh
2500mAh
4000mAh
4400mAh
Power
35W
40W
30W
80W
40W
Coverage
22,604sq.ft(2100㎡)
22600sq.ft(2100㎡)
21,000sq.ft(1950㎡)
29,800sq.ft(2768㎡)
28,600sq.ft(2660㎡)
Bluetooth
✔
✔
✔
✔
✔
Supported
TF/Type-C/MIC
TF/USB/REC/MIC
TF/USB/MIC
TF/USB/REC/MIC
TF/USB/REC/MIC
Microphone
Wireless Lavalier Microphone
Wireless Handheld Microphone
Wired
Wireless Handheld Microphone
Wireless Handheld Microphone
Waterproof
✘
✘
✔
✘
✘
LED display
✘
✔
✔
✔
✔
Weight
0.97 pounds
2.58 pounds
3.17 pounds
4.62 pounds
4.62 pounds
Size
4.6 x 3.4 x 1.8 inches
9.21 x 8.7 x 6.22 inches
12.56 x 8.86 x 3.19 inches
10.83 x 8.19 x 4.92 inches
10.63 x 8.15 x 5.91 inches
【 True Acoustic Power Amplifier 】SHIDU 35W wireless voice amplifier is paired with a 2.4G lavalier microphone, which has more advanced sound sensitivity and stronger sound penetration, stable connection and no noise, and can cover a large classroom of about 22,604 square feet (2100㎡) with 320 people.
【 Greatly Reduce the Pain of Stuck Ears 】Voice amplifier for teaches has a lightweight clip-on design that can be clipped to your collar or held in your hand, which greatly reduces the discomfort of wearing a headset and allows you to get a better experience when teaching or explaining.
【 Transmission Technology Breakthrough 】SHIDU is the only product of its kind on the market that breaks through the technological barriers to enable speakers and microphones to support a 40 meter/131 feet wireless connection, while playing music via a 5.3 Bluetooth connection for a hassle-free audio experience.
【 Long Battery Life 】Voice amplifier has a built-in 3100mAh rechargeable battery, which only takes 2-4 hours to charge on a single charge, providing up to 16.5 hours of continuous use, ensuring reliability for long sessions. It can be quickly charged with the included Type-C charging cable.
【 Widely Used 】Portable microphone and speaker are small in size and stable in performance. They are very suitable for amplifying your voice and protecting your throat. They can be applied to teaching, training, singing, coaching, tour guides, shopping malls, speeches, yoga, outdoor, etc.
【 Warm Tips and Guarantee 】Please keep the speaker and mic for a distance and facing away each other to avoid the signal affected. We provide return and refund without reason in 30 days, and 24-month warranty, and lifetime technical support.SHIDU is committed to giving you a new experience.
【 Note 】Microphone heads too close to the speaker will make sharp and strange sounds, which is common sound reflex, so try to avoid microphone heads too close to speakers. Avoid pointing the microphone directly at the speaker.

$69.99