SHIDU 20W Voice Amplifier Wireless Lavalier Microphone Bluetooth Voice Amplifier for Teachers Portable Microphone with Speaker for Classroom,Speech, Meeting,Yoga,Outdoors

Product description

2025 NEW Model

1 Bluetooth connection

2 Plug and Play

3 Mini and Portable

2600mAh – Long battery life

Please Note

1 Standard Package

2 Operation Button

SHIDU Voice Amplifier

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Customer Reviews

4.1 out of 5 stars 12

3.6 out of 5 stars 14

4.2 out of 5 stars 22

4.2 out of 5 stars 101

4.4 out of 5 stars 119

Price

$31.99$31.99

$29.99$29.99

$45.99$45.99

$49.99$49.99

$58.99$58.99

Battery

4400mAh

5200mAh

2500mAh

2500mAh

3100mAh

Power

20W

20W

18W

18W

35W

Coverage

15000sq.ft（1400㎡）

15000sq.ft（1400㎡）

15000sq.ft（1400㎡）

15000sq.ft（1400㎡）

22,604sq.ft（2100㎡）

Bluetooth

✔

✔

✔

✔

✔

Supported

TF/Type-C/MIC

TF/Type-C/MIC

TF/USB/MIC

TF/USB/MIC

TF/Type-C/MIC

Microphone

Wired

Wireless Lavalier Microphone

Wired

Wireless Lavalier Microphone

Wireless Lavalier Microphone

Waterproof

✔

✔

✔

✔

✔

LED display

✘

✘

✘

✘

✘

Weight

1.17 pounds

0.97 pounds

0.52 pounds

0.52 pounds

0.97 pounds

Size

17.8 x 7.4 x 3.1 inches

7 x 5.6 x 2.1 inches

4.68 x 3.47 x 1.9 inches

4.68 x 3.47 x 1.9 inches

4.6 x 3.4 x 1.8 inches

20𝑾 𝑪𝑳𝑬𝑨𝑹 & 𝑷𝑶𝑾𝑬𝑹𝑭𝑼𝑳 𝑺𝑶𝑼𝑵𝑫: Voice amplifier enjoy crystal-clear 20W amplification with zero distortion, perfect for classrooms, yoga sessions, and outdoor tours. Covers 50+ people effortlessly, saving your voice while keeping your audience engaged.
𝑾𝑰𝑹𝑬𝑳𝑬𝑺𝑺 𝑳𝑨𝑽𝑨𝑳𝑰𝑬𝑹 𝑴𝑰𝑪𝑹𝑶𝑷𝑯𝑶𝑵𝑬: Voice amplifier for teaches (reliable UHF signal, no tangling) ensures freedom of movement. Bluetooth 5.0 lets you stream music or speeches wirelessly—doubles as a portable speaker.
12-𝑯𝑶𝑼𝑹 𝑩𝑨𝑻𝑻𝑬𝑹𝒀 𝑳𝑰𝑭𝑬 & 𝑭𝑨𝑺𝑻 𝑪𝑯𝑨𝑹𝑮𝑰𝑵𝑮: 2600mAh rechargeable battery delivers 12 hours of continuous use—ideal for full-day teaching or tours. Fully charges in just 3 hours, so you’re always ready.
𝑼𝑳𝑻𝑹𝑨-𝑳𝑰𝑮𝑯𝑻𝑾𝑬𝑰𝑮𝑯𝑻 & 𝑪𝑶𝑴𝑭𝑶𝑹𝑻𝑨𝑩𝑳𝑬: Ergonomic wireless voice amplifier headset (adjustable mic distance) fits securely without fatigue. Compact & lightweight (0.56 lb)—fits in any bag, perfect for traveling instructors.
𝑴𝑼𝑳𝑻𝑰-𝑷𝑳𝑨𝒀𝑩𝑨𝑪𝑲: Portable microphone and speaker play audio via Bluetooth, TF card, or USB—great for music, guided tours, or fitness classes. Includes 24-month warranty + US customer support.