A933 Mini Karaoke Machine System Sound Mixer Amplifier for PC TV Mobile Phones, Support RCA in 2 Channel Mic in(Black) About The Product Are you still using common headset to chat and sing on computer? Are you still directly inserting the microphone to sing on computer? Are you still having a headache for a good sound card? Are you still bothered by having no good singing device, although you are born with a good voice? The product adopts the top reverb chip, perfectly supports double chorus, independent control and user-friendly feature, manually regulates the voice volume, designs the universal RCA jack without drive, the aluminum alloy CNC shell has better shielding performance. The product integrates 6 features, with the most professional Karaoke device system: 1. The first powerful function: Professional reverb: an ordinary sound card has no reverb effect, and it goes without saying that the song directly from a microphone without reverb is unpleasant to hear. 2. The second powerful function: Pure KTV effects: The product not only has the reverb effect, but also has the real damping tone, so that your singing tone at home is as perfect as that in KTV. 3. The third powerful function: Audio amplification function: With A937 product, you can passionately sing at conference, stage and home. 4. The fourth powerful function: Connect musical instrument: With musical accompaniment, you can record and sing while playing guitar, oh year! It is absolutely a pleasure! 5. The fifth powerful function: Shield current interference: When a common microphone or headset or other device is directly inserted to the computer, a big current sound can be heard, with the unique product design and unique power shielded line, this function can filter out very pure sound, and the sound effect is comparable to the real concert. 6. The sixth powerful function: Independent control function: You can independently control the accompaniment volume and let you sing with ease. A933 is a multi-functional analog sound console, more than merely a microphone effector, it is a