Review on 🎤 Wireless Karaoke Bluetooth Stereo Receiver Pyle - 4 Channel Power Amplifier with USB, Headphone, 2 Microphone Inputs and Echo, Talkover for PA - Ideal for Home Speaker System - Model: PTA42BT by Kachilla Mountain

would be a good device if it was truly 4 channel stereo and working properly. worked with a 32GB SD card or my old Dell 128MB USB formatted as FAT32. Very poor instructions - no mention of what SD cards and USB devices are supported and how to format them. Used with PYLE PDWR30B 4ohm 300w speakers and can sound decent once stereo sound problem is detected. Big disappointment on what could be a good device in which I wanted 4 channels; Depending on PYLE's answer, I only know how to save and run 2 channels and how to work with them. I am wondering if these are counterfeit or defective units that are being resold as the back of the unit (see my picture) does not match what is shown on the PYLE website.