Menyediakan Wireless Sound System merk Shema SM 787/ 788 PS ( Wireless Portable PA Amplifier) , untuk program pengadaan Alat Peraga DAK Pendidikan 2008 & Alat Peraga DEKON Pendidikan 2008. SPESIFIKASI: - Input : 2 input Microphone with USB Port - Power Output : 150 W / 4 Amp - T.H.D : < 0, 1% - Frequency Response : 50 Hz - 18 KHz, 3 dB - Frequency Range : UHF 500 - 960 Mhz - Speaker : 8-inch, full range - Audio Inputs : Balanced. Unbalanced Mic & Line-in - Power Supply : Built-in two pieces of 12V/ 10AH rechargeable battery with charger & AC 110V/ 220V 50 Hz. DC 12V switching power supply. - Charging Operation Time : 6 - 8 hours continuous use per 8 hours charge ( automatic charging management) - Dimensions : 318 ( W) x 521 ( H) x 249 ( D) mm - Weight : 18 Kg - Exterior Color : Black