Grace 400W USB SD Port Bluetooth Wireless Microphone 2p + Entergrain Rechargeable Portable Mobile Amplifier. It's possible there might be a slight variation in the product name or model number. However, based on the description provided, such systems typically offer the following features:
Power Output: Approximately 400W, suitable for medium to large gatherings.
Connectivity:
USB and SD Ports: For playing audio files directly from storage devices.
Bluetooth: Enables wireless streaming from smartphones, tablets, or computers.
Microphones: Includes two wireless microphones, ideal for speeches, karaoke, or performances.
Portability: Rechargeable battery and built-in wheels or handles for easy transport.
For a comparable product, consider the HamiltonBuhl High-Quality Portable PA System Amplifier:
Power Output: 60W
Speakers: 10" woofer and 1" tweeter
Features:
Bluetooth receiver
USB port and SD card slot for MP3 playback
Two wireless handheld microphones
Rechargeable batteries with 8-9 hours of operation time
Applications: Suitable for indoor and outdoor events like press conferences, sports venues, and musical productions.