The supplied Fischer plugs are suitable for hollow and solid walls

Output impedance / Line out / RCA : 100 Ω

with integrated Bluetooth 5

and many recent soundtrack recordings don't take this aspect into account

rack ears included

QED Connect USB C-Micro B Serie QActive The supplied Fischer plugs areOVERVIEW: Developed to guarantee the best performance at an affordable price, these USB cables are covered with a 4 mm layer of ID PVC which guarantees maximum flexibility and resistance. The connectors are gold plated to ensure secure, reliable and noise free connectivity. LONG CABLE 0. 75 m USE THEM FOR: Laptops Smartphones Tablet digital audio player Portable Digital Audio Player Headphone amplifiers DAC USB A devices USB B devices USB C devices