The RCS Audio-Systems PWA-730 B U2 is a portable amplifier system from the School-Cube-700 series, specifically designed for use in educational institutions such as classrooms, auditoriums, or small sports halls. The device combines a powerful speaker with an integrated multifunction player and a two-channel VHF wireless system in a robust, black high-gloss MDF enclosure. The system is suitable for mobile audio solutions where clear, powerful sound reproduction and wireless microphone connectivity are required.

Applications
The PWA-730 B U2 is designed for use in schools and educational facilities where a mobile, reliable, and easily transportable speaker system is needed. It is particularly suitable for presentations, classroom settings, assemblies, or small events where clear voice transmission and playback of music or audio files are required. The portable design and battery operation allow use even without access to mains power.

Functions and Features in Detail
The device features an integrated CD/MP3 multifunction player that can play files from CDs, MP3s, USB sticks, and SD cards. Playback speed can be adjusted using a pitch control function, which is useful for playing audio tapes or adapting to specific educational requirements. Additionally, a BT function (Bluetooth) is integrated, enabling wireless connection to compatible devices. The system also supports a recording function, allowing audio content to be saved onto USB or SD cards.

Technology Explained Simply
The integrated 6.5-inch full-range speaker delivers powerful, clear sound suitable for both speech and music. The system has a program power of 85 watts and an RMS power of 50 watts, providing sufficient volume for rooms up to approximately 100 square meters. Power is supplied by a 12V battery with a capacity of 7 Ah, enabling operation for 6 to 8 hours. The battery status indicator informs the user of the charge level to prevent unexpected shutdowns. The battery is also equipped with overcharge protection to prevent damage.

Compatibility and Accessories
The system is equipped with a two-channel VHF receiver operating in the license-free frequency range of 174 to 216 MHz. This allows simultaneous wireless use of two microphones, and the system is designed for use with the handheld microphone VH-200 or the bodypack transmitter VB-200. The VB-200 can be connected to a headset or lapel microphone, enabling flexible use in various scenarios. The system features inputs for Line Cinch and Line-In XLR/phone jack, as well as a Line Out Cinch output, allowing connection to external devices or integration into larger systems.

Installation and Mounting
The PWA-730 B U2 is designed as a portable unit and does not require permanent mounting. It can be easily placed upright or transported using the integrated handle. Operation is via a front panel with controls for the player, volume, and tone adjustment. The system is intended for indoor use; the MDF enclosure is robust and acoustically optimized.

Operational Advantages
The combination of an integrated multifunction player, Bluetooth connectivity, VHF wireless system, and battery operation makes the system a versatile solution for mobile applications. The intelligent battery status indicator and overcharge protection enhance operational safety. Dual tone control allows sound to be adjusted to the specific room environment. The robust construction and clean design ensure long service life and a professional appearance.