Features MA505 PA system One-piece molded cabinet with high efficiency amplifier system to drive the two-way speaker system for powerful and clear sound. Robust, rugged enclosure, and lightweight makes it easy for hand carry. Also can be installed on a tripod stand. VOP (voice-over-priority) and TONE control. Mixed input amplification of wired mic, wireless mic, and audio players. Extension speaker socket can be used with MA-505EXP passive speaker. Industry’s only wireless interlinking transmitter option to interlink multiple MA-505 portables wirelessly to extend transmission range and expand coverage. Industry’s first built-in active dual antennas for long distance and stable receiving. Built-in AC switching power supply and rechargeable battery. Storage compartment for AC power cable. DPM3 MiPro USB/SD Player & Recorder Features Can record Line in input audio source to SD or USB. It has language learning function and can play the specified range repeatedly. Provides direct deletion function during single playback. Switch directories directly, making it easy to manage songs. Equalizer function allows you to choose different sound fields. Multiple repeat playback options, fast forward and backward search. With digital song selection function, you can quickly select the desired track. Random playback function, full-featured remote control operation. Suitable for installation on MA-505/708/808. MA-505 Portable Wireless PA System from MIPRO ???? on Vimeo. Specifications Name: Portable Wireless PA System Max. SPL: 105 dB Drivers: 1 Tweeter & 8 Woofer Frequency Range: 70 Hz – 14 kHz Audio Inputs: MIC IN: 1 × XLR, 1 × 1/4 (6.3 mm) LINE IN: 1 × 1/8 (3.5 mm) Audio Output LINE OUT: 1 × 1/8 (3.5 mm) Amplifier Class: D Output Power: 145 W RMS, 248 W peak Receiver Modules: Up to 4 Audio Players: Bluetooth, CD/USB/SD player & recorder (optional) Transmitter Modules: MTM-91, MTM-24, MTM-58 (optional) Extension Speaker: 1 × 1/4 (6.3 mm) Other Functions: VOP, TONE control, siren sound effect Power Supply: AC 100 – 240 V or DC 24 – 28 V Battery: Built-in Li-ion battery Battery Indicator: 4-segment indicators (25/50/75/100%) Standby Time Up to 8 hours