# Norwii Portable Voice Amplifier with Wired Microphone Headset - 10W, 4000mAh, 30-Hour Battery | Loud & Clear Sound for Teachers **Brand:** Norwii **SKU:** xfc1447 **ASIN:** B0B7RQPXNH **Canonical URL:** https://crowcrowcrow.com/p/norwii-bluetooth-voice-amplifier-teacher-wired-microphone-headset-2/xfc1447 **Category:** electronics **Subcategory:** Products **Availability:** in_stock **Price (INR, all-inclusive):** ₹4,815 **Discount:** 11% **Customer rating:** 4.40/5 from 589 ratings ## Description Norwii portable voice amplifier (10W) with wired headset amplifies your voice clearly for up to 30 hours. Features anti-feedback tech and simple controls. Ideal for teachers and trainers in India. All duties included, delivered via ExpressBox. ## Highlights - Extended Teaching Sessions — The 4000mAh battery supports 25-30 hours of continuous use, ensuring you can teach all day without needing to recharge, perfect for extended workshops or outdoor events. - Clear, Feedback-Free Audio — Utilizes advanced frequency shifting technology to suppress feedback, delivering crystal-clear sound without ear-piercing screeches, even near speakers. Maintain 20cm distance for optimal results. - Hands-Free Operation — Ultra-lightweight design with a clip-on belt strap and a wired headset microphone allows for complete hands-free operation, enabling you to move freely while teaching or presenting. - Simple Plug-and-Play Use — Ready in two steps: turn on the amplifier and plug in the microphone. The analog dial offers precise volume control, making it user-friendly for any professional. ## Key features - Effective for Teaching - With a 10-watt output power,the portable voice amplifier with wired headset microphone make your voice louder and travel further, helping students listen more clearly and attentively. Its lightweight and portable design makes it a favorite among teachers, fitness instructors, tour guides, promotion events - Loud and Clear Sound - 3-inch speakers plus a booster circuit makes the voice amplifier crystal clear sound with good sound quality, effectively saving the teacher's throat. Designed for educators, Trusted by Professionals. Teacher must haves - Teach Without Ear-Piercing Feedback - The Voice Amplifier utilizes advanced frequency shifting technology to supress feedback effectively. To ensure optimal performance, maintain a distance of 20 cm between the microphone and the amplifier to avoid any feedback issues - Week-Long Battery - 2000 mAh battery supports 12-15 hours continuous teaching, 4000 mAh battery supports 25-30 hours continuous teaching. Full-day outdoor events without recharge anxiety. USB-C rechargeable - Simple and Practical, Teacher-Centric Design - Only 2 steps: 1.Turn on the amplifier; 2.Plug the microphone into the MIC port of the amplifier. Now, it's ready. Unlike buttons, the analog dial offers finer volume increments. Ultra-lightweight with clip-on belt strap – teach hands-free ## Why choose this product **Amplified Clarity for Educators** — Norwii's voice amplifier delivers a powerful 10W output, ensuring your voice is heard clearly by every student, even in large classrooms or noisy environments. Designed with educators in mind, it features a 3-inch speaker and booster circuit for loud, clear sound that saves your throat. Advanced anti-feedback technology prevents disruptive screeches, allowing for smooth presentations. The 4000mAh battery offers up to 30 hours of continuous use, making it reliable for a full week of teaching on a single charge. Imported for Indian buyers, it provides professional-grade amplification for your daily needs. **Who It's For & Who Should Skip** — This amplifier is perfect for teachers, fitness instructors, tour guides, and anyone needing to project their voice clearly without strain. It's ideal for classroom lectures, outdoor workshops, gym training, and guided tours. Skip this model if you require wireless microphone connectivity or need to amplify music at high volumes for large events; this unit is optimized for voice projection and clarity, not DJ-level sound systems. ## How to use 1. Locate the power switch on the Norwii voice amplifier and slide it to the 'ON' position. The device will indicate it's ready for use. — Power On 2. Take the wired headset microphone and plug its 3.5mm audio jack securely into the dedicated 'MIC' port on the voice amplifier unit. — Connect Microphone 3. Use the analog dial on the amplifier to adjust the volume to your desired level. Turn clockwise for higher volume and counter-clockwise for lower volume, ensuring clear, comfortable sound. — Adjust Volume 4. Wear the amplifier using the included clip-on belt strap or place it nearby. Position the microphone headset comfortably near your mouth and begin speaking. Maintain a 20cm distance from the amplifier for optimal anti-feedback performance. — Position and Teach ## Product details | Field | Value | |---|---| | Battery Type | Lithium-ion | | Battery Weight | 80 grams | | Battery Capacity | 4000 mAh | | Number of Battery Cells | 2 | | Power Output | 10 Watts | | Speaker Size | 3 inches | | Continuous Working Time (2000mAh) | 12-15 Hours | | Continuous Working Time (4000mAh) | 25-30 Hours | | Charging Method | USB-C Rechargeable | | Audio Input | MIC, AUX | | Connectivity | Bluetooth, USB, AUX | | Recommended Uses | Teaching, Training, Guided Tours, Fitness, Outdoor Events | | Cost per use | 4000 mAh battery provides up to 30 hours of use: ₹161 per hour | | Shelf life after opening | N/A (Electronic device) | | Reapplication math | N/A (Electronic device) | | Contraindications | Not suitable for high-volume music amplification for large events or wireless microphone use. | | Allergens / common irritants | N/A (Electronic device) | | Brand | Norwii | | Model Number | S358 | | Color | Black - 4000mAh | | Material | ABS, PC | | Item Weight | 0.3 kg (0.66 lb) | | Item Dimensions | 10.16 cm x 9.12 cm x 3.78 cm (4 in x 3.59 in x 1.49 in) | | Mounting Type | Portable | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | ## Frequently asked questions ### Can I use this Norwii voice amplifier in India straight out of the box? Yes, the Norwii voice amplifier is designed for use in India. It operates on battery power and is USB-C rechargeable, compatible with standard Indian power outlets via a USB adapter. All customs duties and GST are included in the price, and it ships via ExpressBox for reliable delivery to your pincode. ### How loud is the Norwii voice amplifier? The Norwii voice amplifier features a 10-watt output power with 3-inch speakers and a booster circuit, making your voice significantly louder and clearer. It's designed to help students listen more attentively and effectively saves the teacher's throat during lectures. ### How long does the battery last on the Norwii voice amplifier? The 4000mAh battery supports 25-30 hours of continuous teaching time on a single charge, while the 2000mAh battery offers 12-15 hours. This ensures full-day outdoor events or a week of teaching without recharge anxiety. ### Does the Norwii voice amplifier have feedback issues? No, the Norwii Voice Amplifier utilizes advanced frequency shifting technology to suppress feedback effectively, preventing ear-piercing screeches. For optimal performance, maintain a distance of 20 cm between the microphone and the amplifier. ### How do I use the Norwii voice amplifier? Using the Norwii voice amplifier is simple: 1. Turn on the amplifier. 2. Plug the wired headset microphone into the MIC port. The analog dial allows for finer volume increments. It's designed for hands-free operation with an adjustable waistband. ### What is the Norwii voice amplifier best used for? This voice amplifier is ideal for classroom lectures, outdoor workshops, gym training, guided tours, and campus events. It's designed for educators, fitness instructors, and tour guides who need to project their voice clearly and save their vocal cords. ### Is the Norwii voice amplifier suitable for wireless use? No, this Norwii voice amplifier model comes with a wired headset microphone. It is not designed for wireless microphone connectivity. The wired connection ensures a stable audio signal and simple setup. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B0B7RQPXNH-0.webp 2. https://images.crowcrowcrow.com/B0B7RQPXNH-3.webp 3. https://images.crowcrowcrow.com/B0B7RQPXNH-6.webp 4. https://images.crowcrowcrow.com/B0B7RQPXNH-9.webp 5. https://images.crowcrowcrow.com/B0B7RQPXNH-12.webp 6. https://images.crowcrowcrow.com/B0B7RQPXNH-15.webp --- Source: https://crowcrowcrow.com/p/norwii-bluetooth-voice-amplifier-teacher-wired-microphone-headset-2/xfc1447 Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 21-24 days. Prices are all-inclusive (duties + GST).