SHIDU S29 Dual Mic UHF Voice Amplifier – 25W Wireless & Wired PA Speaker
The SHIDU S29 is a dual-microphone UHF wireless voice amplifier that also supports a wired microphone, designed for teachers, tour guides and presenters who need powerful, large-venue voice projection. It delivers 25W of output power through a 3.2-inch magnetic speaker, is powered by a 2600mAh rechargeable battery with Type-C fast charging, and supports Bluetooth 5.3, TF card, USB and AUX audio input. Weighing just 430g in a compact apricot ABS+UV body, the S29 is the high-power choice for classrooms, outdoor events and halls where a standard 10W amplifier is not enough.
Key Features
25W high-power output – strong enough for large classrooms, halls and outdoor venues; pairs with a 3.2-inch magnetic speaker (5Ω 10W unit).
Dual-mic design – UHF wireless microphone plus a wired microphone connection, giving you the freedom to move or the stability of a cable, whichever the occasion needs.
2600mAh long-lasting battery – supports a full teaching day; fast-charge via Type-C port (5V / 2A).
Bluetooth 5.3 – wirelessly play music, audio books or lesson materials from a smartphone or tablet.
Multiple audio inputs – TF card, USB drive, AUX and microphone, for maximum playback flexibility.
Ultra-lightweight 430g design – comfortable to carry all day, with a wide frequency response of 80Hz–18KHz.
Wide working temperature range (-10℃ to 45℃) – reliable in classroom, outdoor and travel use.
Durable ABS+UV casing in a warm apricot color – stylish and practical for professional and everyday use.
Technical Specifications
| Specification | Value |
|---|---|
| Model | S29 UHF + wired dual-mic voice amplifier |
| Output Power | 25W |
| Speaker | 3.2-inch magnetic speaker (5Ω 10W unit) |
| Frequency Response | 80Hz – 18KHz |
| Microphone | UHF wireless + wired (dual-mic) |
| Bluetooth Version | 5.3 |
| Battery Capacity | 2600mAh (3.7V) |
| Charging | 5V / 2A, Type-C charging port |
| Audio Inputs | TF card / USB drive / AUX / microphone |
| Weight | 430g |
| Size | 120 × 102.5 × 54mm |
| Case Material | ABS + UV |
| Color | Apricot |
| Working Temperature | -10℃ ~ 45℃ |
Who Is the S29 For?
Teachers & lecturers – deliver lessons to large classes without vocal strain, with the 25W power to fill a hall.
Tour guides – keep a large group clearly informed outdoors or in noisy venues.
Outdoor presenters & event hosts – the high power and portable design suit markets, exhibitions and outdoor activities.
Training & sales teams – give presentations and demonstrations in showrooms and training rooms.
Single-Mic vs. Dual-Mic Voice Amplifier: Which to Choose?
A dual-microphone amplifier like the S29 gives you two flexible options in one device: a UHF wireless microphone that lets you move freely across a stage or classroom, and a wired microphone for rock-solid, zero-latency, interference-free use. A single-mic UHF amplifier is lighter and more affordable, but leaves you with only one input method. If you regularly need both free movement and a reliable backup, the S29 dual-mic design is the more versatile, cost-effective choice.
What's in the Box
1 × SHIDU S29 voice amplifier
1 × UHF wireless microphone
1 × Wired microphone (optional / as configured)
1 × Charging cable (Type-C)
1 × Lanyard /shoulder strap
1 × User manual
Why Choose SHIDU as Your Manufacturer?
SHIDU Acoustic (Shenzhen SHIDU Digital Co., Ltd.) is a professional voice amplifier and PA system manufacturer. We offer factory-direct pricing, OEM/ODM customization, strict quality control and responsive after-sales support, with a dedicated team responding to inquiries within 24 hours. Whether you need one unit for your classroom or bulk supply for distribution, we can meet your requirements.
Frequently Asked Questions (FAQ)
Q: Is the SHIDU S29 a wireless or wired voice amplifier?A: The S29 is a dual-mic amplifier: it uses a UHF wireless microphone for free movement and also supports a wired microphone for stable, interference-free use.
Q: What is the output power of the S29?A: The S29 delivers 25W output through a 3.2-inch magnetic speaker, with a frequency response of 80Hz–18KHz — suitable for large classrooms and outdoor venues.
Q: How is the S29 powered and charged?A: It has a 2600mAh (3.7V) rechargeable battery, charged via a Type-C port at 5V / 2A.
Q: What audio inputs does the S29 support?A: It supports TF card, USB drive, AUX and microphone, plus Bluetooth 5.3 for wireless audio from phones and tablets.
Q: How much does the S29 weigh?A: It weighs just 430g, with a compact body of 120 × 102.5 × 54mm, in a durable ABS+UV casing.
Q: Can I get custom (OEM/ODM) orders for the S29?A: Yes. As a manufacturer, SHIDU supports OEM/ODM customization. Contact us with your requirements and we'll respond within 24 hours.
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