Latest 27++ Wireless Acoustic Guitar Transmitter. So what you should do first and foremost is to never put your guitar effects before the wireless transmitter. How do wireless guitar systems work? This way, you will secure better audio quality and performance rate. Lekato wireless guitar system stereo wireless guitar transmitter and receiver 1/4 & 1/8 2 in 1 plugs 6 channels 2.4ghz rechargeable for passive pickup guitar, bass, keyboard.