Winsum Electronics Co., Ltd. is a WINSUM ELECTRONICS CO., LTD. based in GuangZhou , China. Winsum Electronics Co., Ltd. is a member of exporthub.com since February, 2007. Our business is related to Electrical & Electronics Supplies industry and we specifically deal in amplifier,speaket,dvd player,multimedia,lcd. Please find our product details below:Amplifier AVR-8803R1. Description: 5.1 Channel FM Receiver Amplifier2. 30 AM / FM tuner stations with random memory preset3. Full function remote control4. Audio out for subwoofer5. Output Power: 80watts + 80watts6. Center: 30watts7. Rear: 30watts + 30watts8. Frequency Response: 20Hz - 20kHz9. T.H.D.: <0.1% (1watt)10. Signal To Ratio: >= 80dB11. Dimension (W x H x D): 430mm x 120mm 365mm12. Weight: 8.0kgAmplifier AVR-6603R1. Description: FM Receiver Amplifier2. Remote control equipped3. Output Power: 75watts + 75watts4. Center: 30watts5. Rear: 30watts + 30watts6. Frequency Response: 20Hz - 20kHz7. T.H.D.: <0.1% (1watt)8. Signal To Ratio: >= 76dB9. Dimension (W x H x D): 430mm x 120mm 335mm10. Weight: 6.6kgAmplifier11. Description: FM Receiver Amplifier2. Remote control equipped3. Output Power: 75watts + 75watts4. Center: 30watts5. Rear: 30watts + 30watts6. Frequency Response: 20hz - 20kHz7. T.H.D.: <0.1% (1watt)8. Signal To Ratio: >= 76dB9. Dimension (W x H x D): 430mm x 120mm 335mm10. Weight: 6.6kgPortable AV System1. Description: AC / DC Portable AV System ( with DVD player, Amplifier and Wireless Microphone)2. Equipped with full funtion remote control, clip and handset microphone3. Component: 8" woofer x 1, 1" tweeter x 14. Frequency Response: 50Hz - 20kHz5. Impedence: 4ohms6. Max. Outpower: 70watts7. T.H.D.: <0.1%8. Power Supply: Auto power source management system with intelligent battery charger AC-220-240V / DC-2 pieces 12V 5AH rechargeable batteries9. Battery Consumption: Approximately 8 hours voice-mixer or 4 hours DVD-playing10. Wireless Microphone: Dual frequency channels applicable to 2 wired