UGREEN BS003 (75778) V3 Portable Voice Amplifier Speaker Wireless Voice Amplifier

The UGREEN BS003 V3 Portable Voice Amplifier Speaker is designed for teachers, trainers, tour guides, coaches, and public speakers who need clear voice projection during presentations and speaking sessions. Featuring a 5W speaker, DSP anti-howling dual-chip technology, and wireless connectivity, it helps reduce unwanted echo and feedback while delivering natural voice amplification. Its lightweight design and multiple audio input options make it suitable for both indoor and outdoor use.

Key Features

• DSP Anti-Howling Technology: Dual-chip DSP technology helps suppress echo, feedback, and unwanted whistling sounds.

• 5W Audio Output: Delivers amplified voice projection for classrooms, training sessions, and presentations.

• 65mm Neodymium Speaker: Features a rare-earth neodymium magnetic speaker designed for strong mid- and high-frequency voice reproduction.

• Wireless Connectivity: Supports wireless transmission up to 10 metres in an open environment.

• Bluetooth Audio Playback: Supports A2DP and AVRCP protocols for convenient audio streaming.

• Multiple Audio Inputs: Supports a wired microphone, AUX connection, and USB flash drive playback.

• USB-C Charging: Features a USB Type-C charging interface for convenient recharging.

• Lightweight Portable Design: The 179g amplifier is easy to carry during extended speaking sessions.

Use Cases

• Classroom Teaching: Amplify your voice while teaching without repeatedly raising your volume.

• Training Sessions: Make instructions easier to hear during workshops and group training.

• Tour Guiding: Speak clearly while moving with a group.

• Public Presentations: Support voice projection during meetings, events, and outdoor sessions.

• Coaching and Instruction: Help participants hear your instructions during indoor or outdoor activities.

Specifications

• Brand: UGREEN

• Model: BS003 V3 (75778)

• Product Type: Portable Voice Amplifier Speaker

• Speaker Size: 65mm

• Audio Output Power: 5W

• Speaker Type: Rare-Earth Neodymium Magnetic Speaker

• Audio Inputs: Wired Microphone, AUX, USB Flash Drive, Bluetooth

• Bluetooth Protocols: A2DP / AVRCP

• Wireless Transmission Range: Up to 10m (Open Environment)

• Frequency Response: 20Hz–20kHz

• Battery Capacity: 3250mAh, 3.6V (11.7Wh)

• Amplifier Runtime: Up to 19 hours

• Amplifier Charging Time: Approximately 3 hours

• Charging Port: USB Type-C

• USB-A Output: 5V / 0.35A

• Amplifier Weight: 179g

• Microphone Weight: 25g