suntech amplifier Av-330uv

220v & 12v Karaoke Amplifier AV-3300UB 300 watts 2 channel bluetooth amplifier with Mixer equalizer1.usb input2.bluetooth3. 300watts4.2 channel5. FM RADIO5. 4 mic input * BLUETOOTH AUDIO STREAMING * USB/SD MP3 AUDIO PLAYBACK * FM RADIO RECEIVE * AUDIO LINE INPUT/ OUTPUT * SOURCE BASS & TREBLE CONTENTS *4-MICROPHONE INPUT * MICROPHONE 3-BAND TONE CONTROLS * DIGITAL ECHO, REPEAT & DELAY CONTROLS *5-BAND STEREO GRAPHIC EQUALIZER * AC/DC POWER OPERATION TECHNICAL SPECTIFICATIONS *AC POWER SOURCE:220-240V,60Hz * DC/BATTERY INPUT:12V,5A MIN. * POWER CONSUMPTION:100W(MAX) * RATED POWER OUTPUT:35+35 RMS *PEAK MUSIC P2OWER OUTPUT:140+140W PMPO * FREQUENCY RESPONSE:20Hz~20KHz * TOTAL HARMONIC DISTORTION:0.3% @10W * CHANNEL SEPARATION:60dB @10KHz *USB,SD FLASH DRIVE FORMAT: FAT32( NTFS FORMAT IS NOT SUPPORTED) * SUPPORTED MEDIA FILE: MP3 AUDIO * FM RADIO TUNING RANGE:87.5MHz~108MHz * BLUETOOTH: AUDIO STREAMING * AUX(LINE) INPUT:2-CHANNEL ANALOG AUDIO * BASS CONTROL:100Hz,±12dB * TREBLE CONTROL:10KHz,±12dB *5-BAND GRAPHIC EQUALIZER:100KHz TO 10KHz,±12dB * LINE OUTPUT:2 CHANNEL ANALOG AUDIO Before buying this product make sure that you will use the appropriate speaker (300 watts) only. Using higher speaker watts will damage the item Product details of Homevision HV-2800ub Karaoke Mixing 150W X 2 Amplifier (Black)[tested before ship out] 150w+150w high power output PMPO-support USB disk SD card BT/FM/AUX function-Echo and mic multiple function -Low magnetic-leakage, High efficiency transformer-impedance: 4-16Ω-frequency response: 20Hz-20KHz-150w+150w high power output PMPO-support USB disk SD card BT/FM/AUX function-Echo and mic multiple function -Low magnetic-leakage, High efficiency transformer-impedance: 4-16Ω-frequency response: 20Hz-20KHz