Unleash monstrous tones without breaking the bank. The radial bones twin city aby amp switcher is a must have addition to the pedal board of any musician who performs or records using multi amp set ups. This active switcher and buffer allows you to merge any two amplifiers and drive them in parallel. Without the risk of hiss noise or signal degradation. Thanks to the inclusion of their award winning drag control circuitry. The very same thats used in their renowned jd7 injector youll sound great at all times. This set and forget function provides compensation for any signal loss introduced when patching cables. Should you desire youll be able to adjust this to achieve the ideal level of loading to perfectly recreate the way that your guitar or bass interacts with your amplifiers. Make your life easier and tone better today!